JNCC 9706[Required field] select JNCC 97 code COR._.Lop - Lophelia reefs COS._._.AmpPar - Ampharete falcata turf with Parvicardium ovale on cohesive muddy very fine sand near margins of deep stratified seas COS._._.ForThy - Foramaniferans and Thyasira sp. in deep circalittoral soft mud COS._._.Sty - Styela gelatinosa and other solitary ascidians on sheltered deep circalittoral muddy sediment CR - Circalittoral rock (and other hard substrata) CR.ECR - Exposed circalittoral rock CR.ECR.Alc.AlcSec - Alcyonium digitatum with Securiflustra securifrons on weakly tide-swept or scoured moderately exposed circalittoral rock CR.ECR.Alc.AlcTub - Alcyonium digitatum with dense Tubularia indivisa and anemones on strongly tide-swept circalittoral rock CR.ECR.BS - Barnacle, cushion sponge and Tubularia communities (very tide-swept/wave-sheltered) CR.ECR.BS - Barnacle, cushion sponge and Tubularia communities (very tide-swept/wave-sheltered) CR.ECR.BS.BalTub - Balanus crenatus and Tubularia indivisa on extremely tide-swept circalittoral rock CR.ECR.BS.CuSH - Cushion sponges, hydroids and ascidians on very tide-swept sheltered circalittoral rock CR.ECR.BS.HbowEud - Halichondria bowerbanki, Eudendrium arbusculum and Eucratea loricata on reduced salinity tide-swept circalittoral mixed substrata CR.ECR.BS.TubS - Tubularia indivisa, sponges and other hydroids on tide-swept circalittoral bedrock CR.ECR.EFa.CCParCar - Coralline crusts, Parasmittina trispinosa, Caryophyllia smithii, Haliclona viscosa, polyclinids and sparse Corynactis viridis on very exposed circalittoral rock CR.ECR.EFa.CorCri - Corynactis viridis and a crisiid/Bugula/Cellaria turf on steep or vertical exposed circalittoral rock CR.ECR.EFa.PomByC - Pomatoceros triqueter, Balanus crenatus and bryozoan crusts on mobile circalittoral cobbles and pebbles CR.MCR - Moderately exposed circalittoral rock CR.MCR.As.MolPol.Sab - Dense ascidians, bryozoans and hydroids on a crust of Sabellaria spinulosa on tide-swept circalittoral rock CR.MCR.As.StoPaur - Stolonica socialis and/or Polyclinum aurantium with Flustra foliacea on slightly sand-scoured tide-swept moderately exposed circalittoral rock CR.MCR.ByH.Flu.Flu - Flustra foliacea on slightly scoured silty circalittoral rock or mixed substrata CR.MCR.ByH.Flu.Hocu - Haliclona oculata and Flustra foliacea with a rich faunal turf on tide-swept sheltered circalittoral boulders or cobbles CR.MCR.ByH.Flu.SerHyd - Sertularia argentea, S. cupressina and Hydrallmania falcata on tide-swept circalittoral cobbles and pebbles CR.MCR.ByH.SNemAdia - Sparse sponges, Nemertesia spp., Alcyonidium diaphanum and Bowerbankia spp. on circalittoral mixed substrata CR.MCR.ByH.Urt - Urticina felina on sand-affected circalittoral rock CR.MCR.CSab - Circalittoral Sabellaria reefs CR.MCR.CSab.Sspi - Sabellaria spinulosa crusts on silty turbid circalittoral rock CR.MCR.CSab.Sspi - Sabellaria spinulosa crusts on silty turbid circalittoral rock CR.MCR.GzFa - Grazed fauna (moderately exposed or sheltered rock) CR.MCR.GzFa.FaAlC - Faunal and algal crusts, Echinus esculentus, sparse Alcyonium digitatum and grazing-tolerant fauna on moderately exposed circalittoral rock CR.MCR.M - Mussel beds (open coast circalittoral rock/mixed substrata) CR.MCR.M.ModT - Modiolus modiolus beds with hydroids and red seaweeds on tide-swept circalittoral mixed substrata CR.MCR.M.Mus - Musculus discors beds on moderately exposed circalittoral rock CR.MCR.M.MytHAs - Mytilus edulis beds with hydroids and ascidians on tide-swept moderately exposed circalittoral rock CR.MCR.SfR - Soft rock communities CR.MCR.SfR.Pol - Polydora sp. tubes on upward-facing circalittoral soft rock CR.MCR.XFa - Mixed faunal turfs (moderately exposed rock) CR.MCR.XFa.ErSEun - Erect sponges, Eunicella verrucosa and Pentapora foliacea on slightly tide-swept moderately exposed circalittoral rock CR.MCR.XFa.ErSPbolSH - Cushion sponges (Polymastia boletiformis, Tethya), stalked sponges, Nemertesia spp. and Pentapora foliacea on moderately exposed circalittoral rock CR.MCR.XFa.ErSSwi - Erect sponges and Swiftia pallida on slightly tide-swept moderately exposed circalittoral rock CR.MCR.XFa.ErSSwi - Erect sponges and Swiftia pallida on slightly tide-swept moderately exposed circalittoral rock CR.MCR.XFa.PhaAxi - Phakellia ventilabrum and axinellid sponges on deep exposed circalittoral rock CR.SCR - Sheltered circalittoral rock CR.SCR.BrAs - Brachiopod and solitary ascidian communities (sheltered rock) CR.SCR.BrAs.AmenCio - Solitary ascidians, including Ascidia mentula and Ciona intestinalis, on very sheltered circalittoral rock CR.SCR.BrAs.AntAsH - Antedon spp., solitary ascidians and fine hydroids on sheltered circalittoral rock CR.SCR.BrAs.NeoPro - Neocrania anomala and Protanthea simplex on very sheltered circalittoral rock CR.SCR.BrAs.NeoPro.Den - Neocrania anomala, Dendrodoa grossularia and Sarcodictyon roseum on reduced or low salinity circalittoral rock CR.SCR.Mod - Sheltered Modiolus (horse-mussel) beds CR.SCR.Mod.ModCvar - Modiolus modiolus beds with Chlamys varia, sponges, hydroids and bryozoans on slightly tide-swept very sheltered circalittoral mixed substrata CR.SCR.Mod.ModHAs - Modiolus modiolus beds with fine hydroids and large solitary ascidians on very sheltered circalittoral mixed substrata CR._ - Circalittoral rock (other) CR._.Cv - Caves and overhangs (deep) CR._.Cv.SCup - Sponges, cup corals and Parerythropodium coralloides on shaded or overhanging circalittoral rock IR - Infralittoral rock (and other hard substrata) IR.EIR - Exposed infralittoral rock IR.EIR.KFaR - Kelp with cushion fauna, foliose red seaweeds or coralline crusts (exposed rock) IR.EIR.KFaR.Ala - Alaria esculenta on sublittoral fringe bedrock IR.EIR.KFaR.Ala.Ldig - Alaria esculenta and Laminaria digitata on exposed sublittoral fringe bedrock IR.EIR.KFaR.Ala.Myt - Alaria esculenta, Mytilus edulis and coralline crusts on very exposed sublittoral fringe bedrock IR.EIR.KFaR.AlaAnSC - Alaria esculenta forest with dense anemones and sponge crusts on extremely exposed infralittoral bedrock IR.EIR.KFaR.FoR - Foliose red seaweeds on exposed or moderately exposed lower infralittoral rock IR.EIR.KFaR.FoR.Dic - Foliose red seaweeds with dense Dictyota dichotoma and/or Dictyopteris membranacea on exposed lower infralittoral rock IR.EIR.KFaR.LhypFa - Laminaria hyperborea forest with a faunal cushion (sponges and polyclinids) and foliose red seaweeds on very exposed infralittoral rock IR.EIR.KFaR.LhypPar - Sparse Laminaria hyperborea and dense Paracentrotus lividus on exposed infralittoral limestone IR.EIR.KFaR.LhypR - Laminaria hyperborea with dense foliose red seaweeds on exposed infralittoral rock IR.EIR.KFaR.LhypR.Ft - Laminaria hyperborea forest with dense foliose red seaweeds on exposed upper infralittoral rock IR.EIR.KFaR.LhypR.Loch - Mixed Laminaria hyperborea and Laminaria ochroleuca forest on exposed infralittoral rock IR.EIR.KFaR.LhypR.Pk - Laminaria hyperborea park with dense foliose red seaweeds on exposed lower infralittoral rock IR.EIR.KFaR.LsacSac - Laminaria saccharina and/or Saccorhiza polyschides on exposed infralittoral rock IR.EIR.SG - Robust faunal cushions and crusts (surge gullies & caves) IR.EIR.SG.CC - Balanus crenatus and/or Pomatoceros triqueter with spirorbid worms and coralline crusts on severely scoured infralittoral rock (No description at this level) IR.EIR.SG.CC.BalPom - Balanus crenatus and/or Pomatoceros triqueter with spirorbid worms and coralline crusts on severely scoured vertical infralittoral rock IR.EIR.SG.CC.Mob - Coralline crusts and crustaceans on mobile boulders or cobbles in surge gullies IR.EIR.SG.FoSwCC - Foliose seaweeds and coralline crusts in surge gully entrances IR.EIR.SG.SC - Sponge crusts on extremely wave-surged infralittoral cave or gully walls IR.EIR.SG.SCAs.DenCla - Dendrodoa grossularia and Clathrina coriacea on wave-surged vertical infralittoral rock IR.MIR - Moderately exposed infralittoral rock IR.MIR.GzK.LhypGz.Ft - Grazed Laminaria hyperborea forest with coralline crusts on upper infralittoral rock IR.MIR.GzK.LhypGz.Pk - Grazed Laminaria hyperborea park with coralline crusts on lower infralittoral rock IR.MIR.KR - Kelp with red seaweeds (moderately exposed rock) IR.MIR.KR.Ldig - Laminaria digitata on moderately exposed or tide-swept sublittoral fringe rock IR.MIR.KR.Ldig.Ldig - Laminaria digitata on moderately exposed sublittoral fringe rock IR.MIR.KR.Ldig.Ldig.Bo - Laminaria digitata and under-boulder fauna on sublittoral fringe boulders IR.MIR.KR.Ldig.Pid - Laminaria digitata and piddocks on sublittoral fringe soft rock IR.MIR.KR.Ldig.T - Laminaria digitata, ascidians and bryozoans on tide-swept sublittoral fringe rock IR.MIR.KR.Lhyp - Laminaria hyperborea and foliose red seaweeds on moderately exposed infralittoral rock IR.MIR.KR.Lhyp.Ft - Laminaria hyperborea forest and foliose red seaweeds on moderately exposed upper infralittoral rock IR.MIR.KR.Lhyp.Loch - Mixed Laminaria hyperborea and Laminaria ochroleuca forest on moderately exposed or sheltered infralittoral rock IR.MIR.KR.Lhyp.Pk - Laminaria hyperborea park and foliose red seaweeds on moderately exposed lower infralittoral rock IR.MIR.KR.Lhyp.TFt - Laminaria hyperborea forest, foliose red seaweeds and a diverse fauna on tide-swept upper infralittoral rock IR.MIR.KR.Lhyp.TFt - Laminaria hyperborea forest, foliose red seaweeds and a diverse fauna on tide-swept upper infralittoral rock IR.MIR.KR.Lhyp.TPk - Laminaria hyperborea park with hydroids, bryozoans and sponges on tide-swept lower infralittoral rock IR.MIR.KR.Lhyp.TPk - Laminaria hyperborea park with hydroids, bryozoans and sponges on tide-swept lower infralittoral rock IR.MIR.SedK - Sand or gravel-affected or disturbed kelp and seaweed communities IR.MIR.SedK.EphR - Ephemeral red seaweeds and kelps on tide-swept mobile infralittoral cobbles IR.MIR.SedK.HalXK - Halidrys siliquosa and mixed kelps on tide-swept infralittoral rock with coarse sediment IR.MIR.SedK.LsacChoR - Laminaria saccharina, Chorda filum and dense red seaweeds on shallow unstable infralittoral boulders and cobbles IR.MIR.SedK.PolAhn - Polyides rotundus, Ahnfeltia plicata and Chondrus crispus on sand-covered infralittoral rock IR.MIR.SedK.SabKR - Sabellaria spinulosa with kelp and red seaweeds on sand-influenced infralittoral rock IR.MIR.SedK.Sac - Saccorhiza polyschides and other opportunistic kelps on disturbed upper infralittoral rock IR.MIR.SedK.XKScrR - Mixed kelps with scour-tolerant and opportunistic foliose red seaweeds on scoured or sand-covered infralittoral rock IR.SIR - Sheltered infralittoral rock IR.SIR.EstFa - Estuarine faunal communities (shallow rock/mixed substrata) IR.SIR.EstFa.CorEle - Cordylophora caspia and Electra crustulenta on reduced salinity infralittoral rock IR.SIR.EstFa.HarCon - Hartlaubella gelatinosa and Conopeum reticulum on low salinity infralittoral mixed substrata IR.SIR.EstFa.MytT - Mytilus edulis beds on reduced salinity tide-swept infralittoral rock IR.SIR.K - Silted kelp (stable rock) IR.SIR.K - Silted kelp (stable rock) IR.SIR.K - Silted kelp (stable rock) IR.SIR.K.EchBriCC - Echinus, brittlestars and coralline crusts on grazed lower infralittoral rock IR.SIR.K.LhypLsac - Mixed Laminaria hyperborea and Laminaria saccharina on sheltered infralittoral rock IR.SIR.K.LhypLsac.Ft - Mixed Laminaria hyperborea and Laminaria saccharina forest on sheltered upper infralittoral rock IR.SIR.K.LhypLsac.Pk - Mixed Laminaria hyperborea and Laminaria saccharina park on sheltered lower infralittoral rock IR.SIR.K.Lsac - Laminaria saccharina on very sheltered infralittoral rock IR.SIR.K.Lsac.Cod - Sparse Laminaria saccharina with Codium spp. and sparse red seaweeds on heavily silted very sheltered infralittoral rock IR.SIR.K.Lsac.Ft - Laminaria saccharina forest on very sheltered upper infralittoral rock IR.SIR.K.Lsac.Ldig - Laminaria saccharina and Laminaria digitata on sheltered sublittoral fringe rock IR.SIR.K.Lsac.Pk - Laminaria saccharina park on very sheltered lower infralittoral rock IR.SIR.K.LsacRS.FiR - Sparse Laminaria saccharina with dense filamentous red seaweeds, sponges and Balanus crenatus on tide-swept variable salinity infralittoral rock IR.SIR.K.LsacRS.Phy - Laminaria saccharina with Phyllophora spp. and filamentous green seaweeds on reduced or low salinity infralittoral rock IR.SIR.K.LsacRS.Psa - Laminaria saccharina and Psammechinus miliaris on slightly reduced salinity grazed infralittoral rock IR.SIR.Lag - Submerged fucoids, green and red seaweeds (lagoonal rock) IR.SIR.Lag.AscSAs - Ascophyllum nodosum with epiphytic sponges and ascidians on variable salinity infralittoral rock IR.SIR.Lag.FcerEnt - Fucus ceranoides and Enteromorpha spp. on low salinity infralittoral rock IR.SIR.Lag.FChoG - Mixed fucoids, Chorda filum and green seaweeds on reduced salinity infralittoral rock IR.SIR.Lag.PolFur - Polyides rotundus and/or Furcellaria lumbricalis on reduced salinity infralittoral rock IR._ - Infralittoral rock (other) IR._.FaSwV.AlcByH.Hia - Hiatella arctica, bryozoans and ascidians on vertical infralittoral soft rock IR._.FaSwV.AlcByH.Hia - Hiatella arctica, bryozoans and ascidians on vertical infralittoral soft rock LR - Littoral rock (and other hard substrata) LR.ELR - Exposed littoral rock (mussel/barnacle shores) LR.ELR.FR - Robust fucoids or red seaweeds LR.ELR.FR.Coff - Corallina officinalis on very exposed lower eulittoral rock LR.ELR.FR.Fdis - Fucus distichus subsp. anceps and Fucus spiralis f. nana on extremely exposed upper eulittoral rock LR.ELR.FR.Him - Himanthalia elongata and red seaweeds on exposed lower eulittoral rock LR.ELR.MB - Mytilus (mussels) and barnacles LR.ELR.MB.BPat - Barnacles and Patella spp. on exposed or moderately exposed, or vertical sheltered, eulittoral rock LR.ELR.MB.BPat - Barnacles and Patella spp. on exposed or moderately exposed, or vertical sheltered, eulittoral rock LR.ELR.MB.BPat.Cht - Chthamalus spp. on exposed upper eulittoral rock LR.ELR.MB.BPat.Fvesl - Barnacles, Patella spp. and Fucus vesiculosus f. linearis on exposed eulittoral rock LR.ELR.MB.BPat.Lic - Barnacles and Lichina pygmaea on steep exposed upper eulittoral rock LR.ELR.MB.BPat.Sem - Semibalanus balanoides on exposed or moderately exposed, or vertical sheltered, eulittoral rock LR.ELR.MB.MytB - Mytilus edulis and barnacles on very exposed eulittoral rock LR.MLR - Moderately exposed littoral rock (barnacle/fucoid shores) LR.MLR.BF - Barnacles and fucoids (moderately exposed shores) LR.MLR.BF.Fser - Fucus serratus on moderately exposed lower eulittoral rock LR.MLR.BF.Fser.Fser - Dense Fucus serratus on moderately exposed to very sheltered lower eulittoral rock LR.MLR.BF.Fser.Fser.Bo - Fucus serratus and under-boulder fauna on lower eulittoral boulders LR.MLR.BF.Fser.Pid - Fucus serratus and piddocks on lower eulittoral soft rock LR.MLR.BF.Fser.R - Fucus serratus and red seaweeds on moderately exposed lower eulittoral rock LR.MLR.BF.FvesB - Fucus vesiculosus and barnacle mosaics on moderately exposed mid eulittoral rock LR.MLR.BF.PelB - Pelvetia canaliculata and barnacles on moderately exposed littoral fringe rock LR.MLR.Eph - Ephemeral green or red seaweeds (freshwater or sand-influenced) LR.MLR.Eph - Ephemeral green or red seaweeds (freshwater or sand-influenced) LR.MLR.Eph - Ephemeral green or red seaweeds (freshwater or sand-influenced) LR.MLR.Eph.Ent - Enteromorpha spp. on freshwater-influenced or unstable upper eulittoral rock LR.MLR.Eph.EntPor - Porphyra purpurea or Enteromorpha spp. on sand-scoured mid or lower eulittoral rock LR.MLR.Eph.Rho - Rhodothamniella floridula on sand-scoured lower eulittoral rock LR.MLR.MF - Mytilus (mussels) and fucoids (moderately exposed shores) LR.MLR.MF.MytFves - Mytilus edulis and Fucus vesiculosus on moderately exposed mid eulittoral rock LR.MLR.MytFR - Mytilus edulis, Fucus serratus and red seaweeds on moderately exposed lower eulittoral rock LR.MLR.MytPid - Mytilus edulis and piddocks on eulittoral firm clay LR.MLR.R.Mas - Mastocarpus stellatus and Chondrus crispus on very to moderately exposed lower eulittoral rock LR.MLR.R.Osm - Osmundea (Laurencia) pinnatifida and Gelidium pusillum on moderately exposed mid eulittoral rock LR.MLR.R.Pal - Palmaria palmata on very to moderately exposed lower eulittoral rock LR.MLR.R.RPid - Ceramium sp. and piddocks on eulittoral fossilised peat LR.MLR.Sab - Littoral Sabellaria (honeycomb worm) reefs LR.MLR.Sab.Salv - Sabellaria alveolata reefs on sand-abraded eulittoral rock LR.SLR - Sheltered littoral rock (fucoid shores) LR.SLR.F - Dense fucoids (stable rock) LR.SLR.F - Dense fucoids (stable rock) LR.SLR.F.Asc - Ascophyllum nodosum on very sheltered mid eulittoral rock LR.SLR.F.Asc.Asc - Ascophyllum nodosum on full salinity mid eulittoral rock LR.SLR.F.Asc.T - Ascophyllum nodosum, sponges and ascidians on tide-swept mid eulittoral rock LR.SLR.F.Asc.VS - Ascophyllum nodosum and Fucus vesiculosus on variable salinity mid eulittoral rock LR.SLR.F.Fcer - Fucus ceranoides on reduced salinity eulittoral rock LR.SLR.F.Fserr - Fucus serratus on sheltered lower eulittoral rock LR.SLR.F.Fserr.T - Fucus serratus, sponges and ascidians on tide-swept lower eulittoral rock LR.SLR.F.Fserr.VS - Fucus serratus and large Mytilus edulis on variable salinity lower eulittoral rock LR.SLR.F.Fspi - Fucus spiralis on moderately exposed to very sheltered upper eulittoral rock LR.SLR.F.Fspi - Fucus spiralis on moderately exposed to very sheltered upper eulittoral rock LR.SLR.F.Fspi - Fucus spiralis on moderately exposed to very sheltered upper eulittoral rock LR.SLR.F.Fves - Fucus vesiculosus on sheltered mid eulittoral rock LR.SLR.F.Fves - Fucus vesiculosus on sheltered mid eulittoral rock LR.SLR.F.Pel - Pelvetia canaliculata on sheltered littoral fringe rock LR.SLR.F.Pel - Pelvetia canaliculata on sheltered littoral fringe rock LR.SLR.FX.AscX - Ascophyllum nodosum on mid eulittoral mixed substrata LR.SLR.FX.AscX.mac - Ascophyllum nodosum ecad. mackaii beds on extremely sheltered mid eulittoral mixed substrata LR.SLR.FX.Blit - Barnacles and Littorina littorea on unstable eulittoral mixed substrata LR.SLR.FX.EphX - Ephemeral green and red seaweeds on variable salinity or disturbed eulittoral mixed substrata LR.SLR.FX.FserX - Fucus serratus on lower eulittoral mixed substrata LR.SLR.FX.FserX.T - Fucus serratus with sponges, ascidians and red seaweeds on tide-swept lower eulittoral mixed substrata LR.SLR.FX.FvesX - Fucus vesiculosus on mid eulittoral mixed substrata LR.SLR.Mx - Mytilus (mussel) beds (mixed substrata) LR.SLR.Mx.MytX - Mytilus edulis beds on eulittoral mixed substrata LR._ - Littoral rock (other) LR._.L - Lichens or algal crusts LR._.L.Bli - Blidingia spp. on vertical littoral fringe soft rock LR._.L.Pra - Prasiola stipitata on nitrate-enriched supralittoral or littoral fringe rock LR._.L.UloUro - Ulothrix flacca and Urospora spp. on freshwater-influenced vertical littoral fringe soft rock LR._.L.Ver - Verrucaria maura on littoral fringe rock LR._.L.Ver.B - Verrucaria maura and sparse barnacles on exposed littoral fringe rock LR._.L.Ver.Ver - Verrucaria maura on moderately exposed to very sheltered upper littoral fringe rock LR._.L.YG - Yellow and grey lichens on supralittoral rock LR._.Ov - Overhangs and caves LR._.Ov.RhoCv - Rhodothamniella floridula in upper littoral fringe soft rock caves LR._.Ov.SByAs - Sponges, bryozoans and ascidians on deeply overhanging lower shore bedrock LR._.Ov.SR - Sponges and shade-tolerant red seaweeds on overhanging lower eulittoral bedrock LR._.Rkp - Rockpools LR._.Rkp - Rockpools LR._.Rkp.Cor - Corallina officinalis and coralline crusts in shallow eulittoral rockpools LR._.Rkp.Cor.Bif - Bifurcaria bifurcata in shallow eulittoral rockpools LR._.Rkp.Cor.Cys - Cystoseira spp. in shallow eulittoral rockpools LR._.Rkp.Cor.Par - Coralline crusts and Paracentrotus lividus in shallow eulittoral rockpools LR._.Rkp.FK - Fucoids and kelps in deep eulittoral rockpools LR._.Rkp.FK.Sar - Sargassum muticum in eulittoral rockpools LR._.Rkp.G - Green seaweeds (Enteromorpha spp. and Cladophora spp.) in upper shore rockpools LR._.Rkp.H - Hydroids, ephemeral seaweeds and Littorina littorea in shallow eulittoral mixed substrata pools LR._.Rkp.SwSed - Seaweeds in sediment (sand or gravel)-floored eulittoral rockpools LR._L.Chr - Chrysophyceae on vertical upper littoral fringe soft rock LS - Littoral sediments LS.LGS - Littoral gravels and sands LS.LGS - Littoral gravels and sands LS.LGS.Est.Ol - Oligochaetes in reduced or low salinity gravel or coarse sand shores LS.LGS.S - Sand shores LS.LGS.S - Sand shores LS.LGS.S.AEur - Burrowing amphipods and Eurydice pulchra in well-drained clean sand shores LS.LGS.S.AP - Burrowing amphipods and polychaetes in clean sand shores LS.LGS.S.BarSnd - Barren coarse sand shores LS.LGS.S.Lan - Dense Lanice conchilega in tide-swept lower shore sand LS.LGS.S.Tal - Talitrid amphipods in decomposing seaweed on the strand-line LS.LGS.Sh - Shingle (pebble) and gravel shores LS.LGS.Sh.BarSh - Barren shingle or gravel shores LS.LGS.Sh.Pec - Pectenogammarus planicrurus in mid shore well-sorted gravel or coarse sand LS.LMS.MS - Muddy sand shores LS.LMS.MS.BatCor - Bathyporeia spp. and Corophium spp. in upper shore slightly muddy fine sands LS.LMS.MS.MacAre - Macoma balthica and Arenicola marina in muddy sand shores LS.LMS.MS.PCer - Polychaetes and Cerastoderma edule in fine sand and muddy sand shores LS.LMS.ZOS - Littoral Zostera (seagrass) beds LS.LMS.ZOS.Znol - Zostera noltii beds in upper to mid shore muddy sand LS.LMU - Littoral muds LS.LMU.Mu - Soft mud shores LS.LMU.Mu.HedOl - Hediste diversicolor and oligochaetes in low salinity mud shores LS.LMU.Mu.HedOl - Hediste diversicolor and oligochaetes in low salinity mud shores LS.LMU.Mu.HedScr - Hediste diversicolor and Scrobicularia plana in reduced salinity mud shores LS.LMU.Mu.HedStr - Hediste diversicolor and Streblospio shrubsolii in sandy mud or soft mud shores LS.LMU.Sm - Saltmarsh LS.LMU.Sm - Saltmarsh (drift-line) LS.LMU.Sm - Saltmarsh (drift-line) LS.LMU.Sm - Saltmarsh (drift-line) LS.LMU.Sm - Saltmarsh (drift-line) LS.LMU.Sm.SM10 - Annual Salicornia, Suaeda maritima and Puccinella maritima LS.LMU.Sm.SM10 - Annual Salicornia, Suaeda maritima and Puccinella maritima LS.LMU.Sm.SM11 - Aster tripolium var. discoides LS.LMU.Sm.SM11 - Aster tripolium var. discoides LS.LMU.Sm.SM12 - Rayed Aster tripolium LS.LMU.Sm.SM12 - Rayed Aster tripolium LS.LMU.Sm.SM13 - Puccinellia maritima LS.LMU.Sm.SM14 - Halimione portulacoides LS.LMU.Sm.SM14 - Halimione portulacoides LS.LMU.Sm.SM15 - Juncus maritimus with Triglochin maritima LS.LMU.Sm.SM15 - Juncus maritimus with Triglochin maritima LS.LMU.Sm.SM16 - Festuca rubra LS.LMU.Sm.SM16 - Festuca rubra LS.LMU.Sm.SM16 - Festuca rubra LS.LMU.Sm.SM17 - Artemisia maritima with Festuca rubra, or open canopy of A. maritima and Halimione LS.LMU.Sm.SM17 - Artemisia maritima with Festuca rubra, or open canopy of A. maritima and Halimione LS.LMU.Sm.SM18 - Juncus maritimus LS.LMU.Sm.SM18 - Juncus maritimus LS.LMU.Sm.SM19 - Blysmus rufus LS.LMU.Sm.SM19 - Blysmus rufus LS.LMU.Sm.SM20 - Eleocharis uniglumis LS.LMU.Sm.SM20 - Eleocharis uniglumis LS.LMU.Sm.SM21 - Suaeda vera-Limonium binervosum LS.LMU.Sm.SM21 - Suaeda vera-Limonium binervosum LS.LMU.Sm.SM22 - Frankenia laevis-Halimione portulacoides LS.LMU.Sm.SM22 - Frankenia laevis-Halimione portulacoides LS.LMU.Sm.SM23 - Spergularia marina-Puccinellia distans LS.LMU.Sm.SM23 - Spergularia marina-Puccinellia distans LS.LMU.Sm.SM24 - Elymus pycnanthus with Suaeda vera or Inulu crithmoides LS.LMU.Sm.SM24 - Elymus pycnanthus with Suaeda vera or Inulu crithmoides LS.LMU.Sm.SM25 - Suaeda vera LS.LMU.Sm.SM25 - Suaeda vera LS.LMU.Sm.SM26 - Inulu crithmoides on saltmarshes LS.LMU.Sm.SM26 - Inulu crithmoides on saltmarshes LS.LMU.Sm.SM27 - Sagina maritima ephemeral salt marsh in sand LS.LMU.Sm.SM27 - Sagina maritima ephemeral salt marsh in sand LS.LMU.Sm.SM28 - Elymus repens LS.LMU.Sm.SM4 - Spartina maritima LS.LMU.Sm.SM4 - Spartina maritima LS.LMU.Sm.SM5 - Spartina alterniflora with Spartina anglica, Puccinellia maritima and Aster tripolium LS.LMU.Sm.SM5 - Spartina alterniflora with Spartina anglica, Puccinellia maritima and Aster tripolium LS.LMU.Sm.SM6 - Spartina anglica LS.LMU.Sm.SM6 - Spartina anglica LS.LMU.Sm.SM7 - Arthrocnemum perenne, sometimes with Halimione, Puccinella and Suaeda LS.LMU.Sm.SM7 - Arthrocnemum perenne, sometimes with Halimione, Puccinella and Suaeda LS.LMU.Sm.SM8 - Salicornia spp. LS.LMU.Sm.SM8 - Salicornia spp. LS.LMU.Sm.SM9 - Suaeda maritima LS.LMU.Sm.SM9 - Suaeda maritima LS.LMU.SMu - Sandy mud shores LS.LMU.SMu.HedMac - Hediste diversicolor and Macoma balthica in sandy mud shores LS.LMX - Littoral mixed sediments LS.LMX._.MytFab - Mytilus edulis and Fabricia sabella in poorly-sorted muddy sand or muddy gravel shores M.AtUB.Bi.CorRee.LopPer - Deep-sea Lophelia pertusa reefs SS - Sublittoral sediments SS.CGS - Circalittoral gravels and sands SS.CGS - Circalittoral gravels and sands SS.CGS._.Ven.Bra - Venerid bivalves and Branchiostoma lanceolatum in circalittoral coarse sand with shell gravel SS.CGS._.Ven.Neo - Neopentadactyla mixta and venerid bivalves in circalittoral shell gravel or coarse sand SS.CMS - Circalittoral muddy sands SS.CMS - Circalittoral muddy sands SS.CMS._.AbrNucCor - Abra alba, Nucula nitida and Corbula gibba in circalittoral muddy sand or slightly mixed sediment SS.CMS._.AbrNucCor - Abra alba, Nucula nitida and Corbula gibba in circalittoral muddy sand or slightly mixed sediment SS.CMS._.AfilEcor - Amphiura filiformis and Echinocardium cordatum in circalittoral clean or slightly muddy sand SS.CMS._.Ser - Serpula vermicularis reefs on very sheltered circalittoral muddy sand SS.CMS._.VirOph - Virgularia mirabilis and Ophiura spp. on circalittoral sandy or shelly mud SS.CMS._.VirOph.HAs - Virgularia mirabilis and Ophiura spp. with hydroids and ascidians on circalittoral sandy or shelly mud with shells or stones SS.CMU - Circalittoral muds SS.CMU._.Beg - Beggiatoa spp. on anoxic sublittoral mud SS.CMU._.BriAchi - Brissopsis lyrifera and Amphiura chiajei in circalittoral mud SS.CMU._.SpMeg - Seapens and burrowing megafauna in circalittoral soft mud SS.CMU._.SpMeg.Fun - Seapens, including Funiculina quadrangularis, and burrowing megafauna in undisturbed circalittoral soft mud SS.CMX - Circalittoral mixed sediments SS.CMX._.ModHo - Sparse Modiolus modiolus, dense Cerianthus lloydii and burrowing holothurians on sheltered circalittoral stones and mixed sediment SS.CMX._.ModMx - Modiolus modiolus beds on circalittoral mixed sediment SS.IGS - Infralittoral gravels and sands SS.IGS.EstGS - Estuarine sublittoral gravels and sands SS.IGS.EstGS - Estuarine sublittoral gravels and sands SS.IGS.EstGS.MobRS - Sparse fauna in reduced salinity infralittoral mobile sand SS.IGS.EstGS.Ncir - Nephtys cirrosa and fluctuating salinity-tolerant fauna in reduced salinity infralittoral mobile sand SS.IGS.EstGS.NeoGam - Neomysis integer and Gammarus spp. in low salinity infralittoral mobile sand SS.IGS.FaG - Shallow gravel faunal communities SS.IGS.FaG.HalEdw - Halcampa chrysanthellum and Edwardsia timida on sublittoral clean stone gravel SS.IGS.FaS - Shallow sand faunal communities SS.IGS.FaS.FabMag - Fabulina fabula and Magelona mirabilis with venerid bivalves in infralittoral compacted fine sand SS.IGS.FaS.Lcon - Dense Lanice conchilega and other polychaetes in tide-swept infralittoral sand SS.IGS.FaS.Mob - Sparse fauna in marine infralittoral mobile clean sand SS.IGS.FaS.NcirBat - Nephtys cirrosa and Bathyporeia spp. in infralittoral sand SS.IGS.FaS.ScupHyd - Sertularia cupressina and Hydrallmania falcata on tide-swept sublittoral cobbles or pebbles in coarse sand SS.IGS.Mrl - Maerl beds (open coast/clean sediments) SS.IGS.Mrl.Lgla - Lithothamnion glaciale maerl beds in tide-swept variable salinity infralittoral gravel SS.IGS.Mrl.Phy - Phymatolithon calcareum maerl beds in infralittoral clean gravel or coarse sand SS.IGS.Mrl.Phy.HEc - Phymatolithon calcareum maerl beds with hydroids and echinoderms in deeper infralittoral clean gravel or coarse sand SS.IGS.Mrl.Phy.R - Phymatolithon calcareum maerl beds with red seaweeds in shallow infralittoral clean gravel or coarse sand SS.IMS - Infralittoral muddy sands SS.IMS - Infralittoral muddy sands SS.IMS.FaMS.Cap - Capitella capitata in enriched sublittoral muddy sediments SS.IMS.FaMS.EcorEns - Echinocardium cordatum and Ensis sp. in lower shore or shallow sublittoral muddy fine sand SS.IMS.FaMS.MacAbr - Macoma balthica and Abra alba in infralittoral muddy sand or mud SS.IMS.Sgr - Seagrass beds (sublittoral/lower shore) SS.IMS.Sgr.Rup - Ruppia maritima in reduced salinity infralittoral muddy sand SS.IMS.Sgr.Zmar - Zostera marina/angustifolia beds in lower shore or infralittoral clean or muddy sand SS.IMU - Infralittoral muds SS.IMU.Ang - Angiosperm communities (lagoons) SS.IMU.Ang.A12 - Potamogeton pectinatus community SS.IMU.Ang.S4 - Phragmites australis swamp and reed beds SS.IMU.EstMu - Estuarine sublittoral muds SS.IMU.EstMu.AphTub - Aphelochaeta marioni and Tubificoides spp. in variable salinity infralittoral mud SS.IMU.EstMu.CapTub - Capitella capitata and Tubificoides spp. in reduced salinity infralittoral muddy sediment SS.IMU.EstMu.LimTtub - Limnodrilus hoffmeisteri, Tubifex tubifex and Gammarus spp. in low salinity infralittoral muddy sediment SS.IMU.EstMu.MobMud - Infralittoral fluid mobile mud SS.IMU.EstMu.NhomTub - Nephtys hombergii and Tubificoides spp. in variable salinity infralittoral soft mud SS.IMU.EstMu.PolVS - Polydora ciliata in variable salinity infralittoral firm mud or clay SS.IMU.EstMu.Tub - Tubificoides spp. in reduced salinity infralittoral muddy sediment SS.IMU.MarMu - Shallow marine mud communities SS.IMU.MarMu.AreSyn - Arenicola marina and synaptid holothurians in extremely shallow soft mud SS.IMU.MarMu.Ocn - Ocnus planci aggregations on sheltered sublittoral muddy sediment SS.IMU.MarMu.PhiVir - Philine aperta and Virgularia mirabilis in soft stable infralittoral mud SS.IMU.MarMu.TubeAP - Semi-permanent tube-building amphipods and polychaetes in sublittoral mud or muddy sand SS.IMX - Infralittoral mixed sediments SS.IMX.EstMx - Estuarine sublittoral mixed sediments SS.IMX.EstMx.CreAph - Crepidula fornicata and Aphelochaeta marioni in variable salinity infralittoral mixed sediment SS.IMX.EstMx.CreAph - Crepidula fornicata and Aphelochaeta marioni in variable salinity infralittoral mixed sediment SS.IMX.EstMx.MytV - Mytilus edulis beds in variable salinity infralittoral mixed sediment SS.IMX.EstMx.PolMtru - Polydora ciliata, Mya truncata and solitary ascidians in variable salinity infralittoral mixed sediment SS.IMX.FaMx.Lim - Limaria hians beds in tide-swept sublittoral muddy mixed sediment SS.IMX.FaMx.VsenMtru - Venerupis senegalensis and Mya truncata in lower shore or infralittoral muddy gravel SS.IMX.KSwMx - Laminaria saccharina (sugar kelp) and filamentous seaweeds (mixed sediment) SS.IMX.KSwMx.FiG - Filamentous green seaweeds on low salinity infralittoral mixed sediment or rock SS.IMX.KSwMx.LsacX - Laminaria saccharina, Chorda filum and filamentous red seaweeds on sheltered infralittoral sediment SS.IMX.KSwMx.LsacX - Laminaria saccharina, Chorda filum and filamentous red seaweeds on sheltered infralittoral sediment SS.IMX.KSwMx.Pcri - Loose-lying mats of Phyllophora crispa on infralittoral muddy sediment SS.IMX.KSwMx.Tra - Mats of Trailliella on infralittoral muddy gravel SS.IMX.MrlMx.Lcor - Lithothamnion corallioides maerl beds on infralittoral muddy gravel SS.IMX.MrlMx.Lfas - Lithothamnion fasciculatum maerl beds with Chlamys varia on infralittoral sandy mud or mud SS.IMX.Oy - Oyster beds SS.IMX.Oy.Ost - Ostrea edulis beds on shallow sublittoral muddy sediment SS.SBR.Crl.Lop - Circalittoral Lophelia pertusa reefs
JNCC 2022[Required field] select JNCC 2022 code CR - Circalittoral rock (and other hard substrata) CR.FCR.Cv.SpCup - Sponges, cup corals and anthozoans on shaded or overhanging circalittoral rock CR.HCR - High energy circalittoral rock CR.HCR.DpSp.PhaAxi - Phakellia ventilabrum and Axinellid sponges on deep, wave- exposed circalittoral rock CR.HCR.FaT - Very tide-swept faunal communities CR.HCR.FaT.BalTub - Balanus crenatus and Tubularia indivisa on extremely tide-swept circalittoral rock CR.HCR.FaT.CTub - Tubularia indivisa on tide-swept circalittoral rock CR.HCR.FaT.CTub.CuSp - Tubularia indivisa and cushion sponges on tide-swept turbid circalittoral bedrock CR.HCR.XFa.ByErSp - Bryozoan turf and erect sponges on tide-swept circalittoral rock CR.HCR.XFa.ByErSp.Eun - Eunicella verrucosa and Pentapora foliacea on wave-exposed circalittoral rock CR.HCR.XFa.CvirCri - Corynactis viridis and a mixed turf of crisiids, Bugula, Scrupocellaria, and Cellaria on moderately tide-swept exposed circalittoral rock CR.HCR.XFa.FluCoAs.Paur - Polyclinum aurantium and Flustra foliacea on sand-scoured tide-swept moderately wave-exposed circalittoral rock CR.HCR.XFa.FluHocu - Flustra foliacea and Haliclona oculata with a rich faunal turf on tide-swept circalittoral mixed substrata CR.HCR.XFa.SpNemAdia - Sparse sponges, Nemertesia spp. and Alcyonidium diaphanum on circalittoral mixed substrata CR.HCR.XFa.SwiLgAs - Mixed turf of hydroids and large ascidians with Swiftia pallida and Caryophyllia smithii on weakly tide-swept circalittoral rock CR.LCR - Low energy circalittoral rock CR.LCR.BrAs - Brachiopod and ascidian communities CR.LCR.BrAs.AmenCio - Solitary ascidians, including Ascidia mentula and Ciona intestinalis, on wave-sheltered circalittoral rock CR.LCR.BrAs.AntAsH - Antedon spp., solitary ascidians and fine hydroids on sheltered circalittoral rock CR.LCR.BrAs.NovPro - Novocrania anomala and Protanthea simplex on sheltered circalittoral rock CR.LCR.BrAs.NovPro.VS - Novocrania anomala, Dendrodoa grossularia and Rolandia coralloides on variable salinity circalittoral rock CR.MCR - Moderate energy circalittoral rock CR.MCR.CFaVS.CuSpH - Cushion sponges and hydroids on turbid tide-swept sheltered circalittoral rock CR.MCR.CFaVS.HbowEud - Halichondria bowerbanki, Eudendrium arbuscula and Eucratea loricata on reduced salinity tide-swept circalittoral mixed substrata CR.MCR.CMus - Circalittoral mussel beds on rock CR.MCR.CMus.CMyt - Mytilus edulis beds with hydroids and ascidians on tide-swept exposed to moderately wave-exposed circalittoral rock CR.MCR.CMus.Mdis - Musculus discors beds on moderately exposed circalittoral rock CR.MCR.CSab - Circalittoral Sabellaria reefs (on rock) CR.MCR.CSab.Sspi - Sabellaria spinulosa encrusted circalittoral rock CR.MCR.CSab.Sspi.As - Sabellaria spinulosa, didemnids and other small ascidians on tide-swept moderately wave-exposed circalittoral rock CR.MCR.EcCr - Echinoderms and crustose communities CR.MCR.EcCr.CarSp - Caryophyllia smithii, sponges and crustose communities on wave-exposed circalittoral rock CR.MCR.EcCr.FaAlCr - Faunal and algal crusts on exposed to moderately wave-exposed circalittoral rock CR.MCR.EcCr.FaAlCr.Flu - Flustra foliacea on slightly scoured silty circalittoral rock CR.MCR.EcCr.FaAlCr.Sec - Alcyonium digitatum with Securiflustra securifrons on tide-swept moderately wave-exposed circalittoral rock CR.MCR.EcCr.UrtScr - Urticina felina and sand-tolerant fauna on sand-scoured or covered circalittoral rock CR.MCR.SfR - Soft rock communities CR.MCR.SfR.Hia - Hiatella-bored vertical sublittoral limestone rock CR.MCR.SfR.Pol - Polydora sp. tubes on moderately exposed sublittoral soft rock IR - Infralittoral rock (and other hard substrata) IR.FIR - Features of infralittoral rock IR.FIR.SG - Infralittoral surge gullies and caves IR.FIR.SG.CC - Coralline crusts in surge gullies and scoured infralittoral rock IR.FIR.SG.CC.BalSpi - Balanus crenatus and/or Spirobranchus triqueter with spirorbid worms and coralline crusts on severely-scoured vertical infralittoral rock IR.FIR.SG.CC.Mo - Coralline crusts and crustaceans on mobile boulders or cobbles in surge gullies IR.FIR.SG.CrSp - Crustose sponges on extremely wave-surged infralittoral cave or gully walls IR.FIR.SG.DenCcor - Dendrodoa grossularia and Clathrina coriacea on wave-surged vertical infralittoral rock IR.FIR.SG.FoSwCC - Foliose seaweeds and coralline crusts in surge gully entrances IR.HIR - High energy infralittoral rock IR.HIR.KFaR - Kelp with cushion fauna and/or foliose red seaweeds IR.HIR.KFaR.Ala - Alaria esculenta on exposed sublittoral fringe bedrock IR.HIR.KFaR.Ala.Ldig - Alaria esculenta and Laminaria digitata on exposed sublittoral fringe bedrock IR.HIR.KFaR.Ala.Myt - Alaria esculenta, Mytilus edulis and coralline crusts on very exposed sublittoral fringe bedrock IR.HIR.KFaR.AlaAnCrSp - Alaria esculenta forest with dense anemones and crustose sponges on extremely exposed infralittoral bedrock IR.HIR.KFaR.FoR - Foliose red seaweeds on exposed lower infralittoral rock IR.HIR.KFaR.FoR.Dic - Foliose red seaweeds with dense Dictyota dichotoma and/or Dictyopteris polypodioides on exposed lower infralittoral rock IR.HIR.KFaR.LhypFa - Laminaria hyperborea forest with a faunal cushion (sponges and polyclinids) and foliose red seaweeds on very exposed upper infralittoral rock IR.HIR.KFaR.LhypPar - Sparse Laminaria hyperborea and dense Paracentrotus lividus on exposed infralittoral limestone IR.HIR.KFaR.LhypR - Laminaria hyperborea with dense foliose red seaweeds on exposed infralittoral rock IR.HIR.KFaR.LhypR.Ft - Laminaria hyperborea forest with dense foliose red seaweeds on exposed upper infralittoral rock IR.HIR.KFaR.LhypR.Loch - Mixed Laminaria hyperborea and Laminaria ochroleuca forest on exposed infralittoral rock IR.HIR.KFaR.LhypR.Pk - Laminaria hyperborea park with dense foliose red seaweeds on exposed lower infralittoral rock IR.HIR.KSed - Sediment-affected or disturbed kelp and seaweed communities IR.HIR.KSed.ProtAhn - Polyides rotunda, Ahnfeltia plicata and Chondrus crispus on sand-covered infralittoral rock IR.HIR.KSed.Sac - Saccorhiza polyschides and other opportunistic kelps on disturbed sublittoral fringe rock IR.HIR.KSed.SlatChoR - Saccharina latissima, Chorda filum and dense red seaweeds on shallow unstable infralittoral boulders or cobbles IR.HIR.KSed.SlatSac - Saccharina latissima and/or Saccorhiza polyschides on exposed infralittoral rock IR.HIR.KSed.XKHal - Halidrys siliquosa and mixed kelps on tide-swept infralittoral rock with coarse sediment IR.HIR.KSed.XKScrR - Mixed kelps with scour-tolerant and opportunistic foliose red seaweeds on scoured or sand-covered infralittoral rock IR.LIR - Low energy infralittoral rock IR.LIR.IFaVS - Faunal communities on variable or reduced salinity infralittoral rock IR.LIR.IFaVS.CcasEin - Cordylophora caspia and Einhornia crustulenta on reduced salinity infralittoral rock IR.LIR.IFaVS.HarCon - Hartlaubella gelatinosa and Conopeum reticulum on low salinity infralittoral mixed substrata IR.LIR.IFaVS.MytRS - Mytilus edulis beds on reduced salinity infralittoral rock IR.LIR.K.LhypLoch - Mixed Laminaria hyperborea and Laminaria ochroleuca forest on moderately exposed or sheltered infralittoral rock IR.LIR.K.LhypSlat - Mixed Laminaria hyperborea and Saccharina latissima on sheltered infralittoral rock IR.LIR.K.LhypSlat.Ft - Mixed Laminaria hyperborea and Saccharina latissima forest on sheltered upper infralittoral rock IR.LIR.K.LhypSlat.Pk - Mixed Laminaria hyperborea and Saccharina latissima park on sheltered lower infralittoral rock IR.LIR.K.Slat - Saccharina latissima on very sheltered infralittoral rock IR.LIR.K.Slat.Ft - Saccharina latissima forest on very sheltered upper infralittoral rock IR.LIR.K.Slat.Gz - Grazed Saccharina latissima with Echinus, brittlestars and coralline crusts on sheltered infralittoral rock IR.LIR.K.Slat.Ldig - Saccharina latissima and Laminaria digitata on sheltered sublittoral fringe rock IR.LIR.K.SLat.Pk - Saccharina latissima park on very sheltered lower infralittoral rock IR.LIR.KVS.Cod - Codium spp. with red seaweeds and sparse Saccharina latissima on shallow, heavily-silted, very sheltered infralittoral rock IR.LIR.KVS.SlatPhyVS - Saccharina latissima with Phyllophora spp. and filamentous green seaweeds on variable or reduced salinity infralittoral rock IR.LIR.KVS.SlatPsaVS - Saccharina latissima and Psammechinus miliaris on variable salinity grazed infralittoral rock IR.LIR.Lag - Submerged fucoids, green or red seaweeds (low salinity infralittoral rock) IR.LIR.Lag.AscSpAs - Ascophyllum nodosum with epiphytic sponges and ascidians on variable salinity infralittoral rock IR.LIR.Lag.FcerUlv - Fucus ceranoides and Ulva spp. on low salinity infralittoral rock IR.LIR.Lag.FChoG - Mixed fucoids, Chorda filum and green seaweeds on reduced salinity infralittoral rock IR.LIR.Lag.ProtFur - Polyides rotunda and/or Furcellaria lumbricalis on reduced salinity infralittoral rock IR.MIR - Moderate energy infralittoral rock IR.MIR.KR.Ldig - Laminaria digitata on moderately exposed sublittoral fringe rock IR.MIR.KR.Ldig.Bo - Laminaria digitata and under-boulder fauna on sublittoral fringe boulders IR.MIR.KR.Ldig.Ldig - Laminaria digitata on moderately exposed sublittoral fringe bedrock IR.MIR.KR.Ldig.Pid - Laminaria digitata and piddocks on sublittoral fringe soft rock IR.MIR.KR.Lhyp.Ft - Laminaria hyperborea forest and foliose red seaweeds on moderately exposed upper infralittoral rock IR.MIR.KR.Lhyp.GzFt - Grazed Laminaria hyperborea forest with coralline crusts on upper infralittoral rock IR.MIR.KR.Lhyp.GzPk - Grazed Laminaria hyperborea park with coralline crusts on lower infralittoral rock IR.MIR.KR.Lhyp.Pk - Laminaria hyperborea park and foliose red seaweeds on moderately exposed lower infralittoral rock IR.MIR.KR.Lhyp.Sab - Sabellaria spinulosa with kelp and red seaweeds on sand-influenced infralittoral rock IR.MIR.KR.LhypT.Ft - Laminaria hyperborea forest, foliose red seaweeds and a diverse fauna on tide-swept upper infralittoral rock IR.MIR.KR.LhypT.Pk - Laminaria hyperborea park with hydroids, bryozoans and sponges on tide-swept lower infralittoral rock IR.MIR.KT - Kelp and seaweed communities in tide-swept sheltered conditions IR.MIR.KT.FilRVS - Filamentous red seaweeds, sponges and Balanus crenatus on tide-swept variable-salinity infralittoral rock IR.MIR.KT.LdigT - Laminaria digitata, ascidians and bryozoans on tide-swept sublittoral fringe rock LR - Littoral rock (and other hard substrata) LR.FLR.CvOv.SpByAs - Sponges, bryozoans and ascidians on deeply overhanging lower shore bedrock or caves LR.FLR.CvOv.SpR - Sponges and shade-tolerant red seaweeds on overhanging lower eulittoral bedrock and in cave entrances LR.FLR.Eph - Ephemeral green or red seaweed communities (freshwater or sand-influenced) LR.FLR.Eph.BLitX - Barnacles and Littorina spp. on unstable eulittoral mixed substrata LR.FLR.Eph.EphX - Ephemeral green and red seaweeds on variable salinity and/or disturbed eulittoral mixed substrata LR.FLR.Eph.Ulv - Ulva spp. on freshwater-influenced and/or unstable upper eulittoral rock LR.FLR.Eph.UlvPor - Porphyra purpurea and Ulva spp. on sand-scoured mid or lower eulittoral rock LR.FLR.Lic.Bli - Blidingia spp. on vertical littoral fringe soft rock LR.FLR.Lic.Pra - Prasiola stipitata on nitrate-enriched supralittoral or littoral fringe rock LR.FLR.Lic.UloUro - Ulothrix flacca and Urospora spp. on freshwater-influenced vertical littoral fringe soft rock LR.FLR.Lic.Ver - Verrucaria maura on littoral fringe rock LR.FLR.Lic.Ver.B - Verrucaria maura and sparse barnacles on exposed littoral fringe rock LR.FLR.Lic.Ver.Ver - Verrucaria maura on very exposed to very sheltered upper littoral fringe rock LR.FLR.Rkp - Rockpools LR.FLR.Rkp.Cor.Bif - Bifurcaria bifurcata in shallow eulittoral rockpools LR.FLR.Rkp.Cor.Cys - Cystoseira spp. in eulittoral rockpools LR.FLR.Rkp.Cor.Par - Coralline crusts and Paracentrotus lividus in shallow eulittoral rockpools LR.FLR.Rkp.FK.Sar - Sargassum muticum in eulittoral rockpools LR.HLR - High energy littoral rock LR.HLR.FR - Robust fucoid and/or red seaweed communities LR.HLR.FR.Coff - Corallina officinalis on exposed to moderately exposed lower eulittoral rock LR.HLR.FR.Fdis - Fucus distichus and Fucus spiralis f. nana on extremely exposed upper shore rock LR.HLR.FR.Him - Himanthalia elongata and red seaweeds on exposed to moderately exposed lower eulittoral rock LR.HLR.FR.Mas - Mastocarpus stellatus and Chondrus crispus on very exposed to moderately exposed lower eulittoral rock LR.HLR.FR.Osm - Osmundea pinnatifida on moderately exposed mid eulittoral rock LR.HLR.FR.Pal - Palmaria palmata on very exposed to moderately exposed lower eulittoral rock LR.HLR.FR.RPid - Ceramium sp. and piddocks on eulittoral fossilised peat LR.HLR.FT.AscT - Ascophyllum nodosum, sponges and ascidians on tide-swept mid eulittoral rock LR.HLR.FT.FserT - Fucus serratus, sponges and ascidians on tide-swept lower eulittoral rock LR.HLR.FT.FserTX - Fucus serratus with sponges, ascidians and red seaweeds on tide-swept lower eulittoral mixed substrata LR.HLR.MusB - Mussel and/or barnacle communities LR.HLR.MusB.Cht - Chthamalus spp. on exposed eulittoral rock LR.HLR.MusB.Cht.Cht - Chthamalus spp. on exposed upper eulittoral rock LR.HLR.MusB.Cht.Lpyg - Chthamalus spp. and Lichina pygmaea on steep exposed upper eulittoral rock LR.HLR.MusB.MytB - Mytilus edulis and barnacles on very exposed eulittoral rock LR.HLR.MusB.Sem - Semibalanus balanoides on exposed to moderately exposed or vertical sheltered eulittoral rock LR.HLR.MusB.Sem.Sem - Semibalanus balanoides, Patella vulgata and Littorina spp. on exposed to moderately exposed or vertical sheltered eulittoral rock LR.LLR - Low energy littoral rock LR.LLR.F.Asc - Ascophyllum nodosum on very sheltered mid eulittoral rock LR.LLR.F.Asc.FS - Ascophyllum nodosum on full salinity mid eulittoral rock LR.LLR.F.Asc.X - Ascophyllum nodosum on full salinity mid eulittoral mixed substrata LR.LLR.F.Fserr - Fucus serratus on sheltered lower eulittoral rock LR.LLR.F.Fserr.FS - Fucus serratus on full salinity sheltered lower eulittoral rock LR.LLR.F.Fserr.X - Fucus serratus on full salinity lower eulittoral mixed substrata LR.LLR.F.Fves - Fucus vesiculosus on moderately exposed to sheltered mid eulittoral rock LR.LLR.F.Fves.X - Fucus vesiculosus on mid eulittoral mixed substrata LR.LLR.F.Pel - Pelvetia canaliculata on sheltered littoral fringe rock LR.LLR.FVS.Ascmac - Ascophyllum nodosum ecad mackaii beds on extremely sheltered mid eulittoral mixed substrata LR.LLR.FVS.AscVS - Ascophyllum nodosum and Fucus vesiculosus on variable salinity mid eulittoral rock LR.LLR.FVS.FserVS - Fucus serratus and large Mytilus edulis on variable salinity lower eulittoral rock LR.MLR - Moderate energy littoral rock LR.MLR.BF - Barnacles and fucoids on moderately exposed shores LR.MLR.BF.Fser - Fucus serratus on moderately exposed lower eulittoral rock LR.MLR.BF.Fser.Bo - Fucus serratus and under-boulder fauna on exposed to moderately exposed lower eulittoral boulders LR.MLR.BF.Fser.Pid - Fucus serratus and piddocks on lower eulittoral soft rock LR.MLR.BF.Fser.R - Fucus serratus and red seaweeds on moderately exposed lower eulittoral rock LR.MLR.BF.FspiB - Fucus spiralis on exposed to moderately exposed upper eulittoral rock LR.MLR.BF.FvesB - Fucus vesiculosus and barnacle mosaics on moderately exposed mid eulittoral rock LR.MLR.BF.PelB - Pelvetia canaliculata and barnacles on moderately exposed littoral fringe rock LR.MLR.BF.Rho - Rhodothamniella floridula on sand-scoured lower eulittoral rock LR.MLR.MusF - Mussels and fucoids on moderately exposed shores LR.MLR.MusF.MytFR - Mytilus edulis, Fucus serratus and red seaweeds on moderately exposed lower eulittoral rock LR.MLR.MusF.MytFves - Mytilus edulis and Fucus vesiculosus on moderately exposed mid eulittoral rock LR.MLR.MusF.MytPid - Mytilus edulis and piddocks on eulittoral firm clay LS - Littoral sediment LS.LBR.LMus - Littoral mussel beds on sediment LS.LBR.LMus.Myt - Mytilus edulis beds on littoral sediments LS.LBR.Sab - Littoral Sabellaria honeycomb worm reefs LS.LBR.Sab.Salv - Sabellaria alveolata reefs on sand-abraded eulittoral rock LS.LCS - Littoral coarse sediment LS.LCS.Sh - Shingle (pebble) and gravel shores LS.LCS.Sh.BarSh - Barren littoral shingle LS.LCS.Sh.Ech - Echinogammarus incertae sedis planicrurus in mid shore well-sorted gravel or coarse sand LS.LMp.LSgr - Littoral seagrass beds LS.LMp.LSgr.Znol - Zostera noltei beds in littoral muddy sand LS.LMp.Sm - Saltmarsh LS.LMu - Littoral mud LS.LMu.MEst - Polychaete/bivalve-dominated mid estuarine mud shores LS.LMu.MEst.HedMac - Hediste diversicolor and Macoma balthica in littoral sandy mud LS.LMu.MEst.HedMacScr - Hediste diversicolor, Macoma balthica and Scrobicularia plana in littoral sandy mud LS.LMu.UEst - Polychaete/oligochaete-dominated upper estuarine mud shores LS.LMu.UEst.Hed.Cvol - Hediste diversicolor and Corophium volutator in littoral mud LS.LMx - Littoral mixed sediment LS.LSa.MoSa - Barren or amphipod-dominated mobile sand shores LS.LSa.MoSa.AmSco - Amphipods and Scolelepis spp. in littoral medium-fine sand LS.LSa.MoSa.BarSa - Barren littoral coarse sand LS.LSa.MoSa.Ol.VS - Oligochaetes in variable salinity littoral mobile sand LS.LSa.MuSa - Polychaete/bivalve-dominated muddy sand shores LS.LSa.MuSa.BatCare - Bathyporeia pilosa and Corophium arenarium in littoral muddy sand LS.LSa.MuSa.CerPo - Cerastoderma edule and polychaetes in littoral muddy sand LS.LSa.MuSa.Lan - Lanice conchilega in littoral sand LS.LSa.MuSa.MacAre - Macoma balthica and Arenicola marina in littoral muddy sand LS.LSa.St.MytFab - Mytilus edulis and Fabricia stellaris in littoral mixed sediment LS.LSa.St.Tal - Talitrids on the upper shore and strand-line SS - Sublittoral sediment SS.SBR.Crl.Lop - Lophelia reefs SS.SBR.PoR.Ser - Serpula vermicularis reefs on very sheltered circalittoral muddy sand SS.SBR.PoR.SspiMx - Sabellaria spinulosa on stable circalittoral mixed sediment SS.SBR.SMus - Sublittoral mussel beds (on sublittoral sediment) SS.SBR.SMus.ModHAs - Modiolus modiolus beds with fine hydroids and large solitary ascidians on very sheltered circalittoral mixed substrata SS.SBR.SMus.ModMvar - Modiolus modiolus beds with Mimachlamys varia, sponges, hydroids and bryozoans on slightly tide-swept very sheltered circalittoral mixed substrata SS.SBR.SMus.ModMx - Modiolus modiolus beds on open coast circalittoral mixed sediment SS.SBR.SMus.ModT - Modiolus modiolus beds with hydroids and red seaweeds on tide-swept circalittoral mixed substrata SS.SBR.SMus.MytSS - Mytilus edulis beds on sublittoral sediment SS.SCS - Sublittoral coarse sediment (unstable cobbles and pebbles, gravels and coarse sands) SS.SCS.CCS.Blan - Branchiostoma lanceolatum in circalittoral coarse sand with shell gravel SS.SCS.CCS.Nmix - Neopentadactyla mixta in circalittoral shell gravel or coarse sand SS.SCS.CCS.SpiB - Spirobranchus triqueter with barnacles and bryozoan crusts on unstable circalittoral cobbles and pebbles SS.SCS.ICS - Infralittoral coarse sediment SS.SCS.ICS.HchrEdw - Halcampa chrysanthellum and Edwardsia timida on sublittoral clean stone gravel SS.SCS.ICS.SLan - Dense Lanice conchilega and other polychaetes in tide-swept infralittoral sand and mixed gravelly sand SS.SCS.SCSVS - Sublittoral coarse sediment in variable salinity (estuaries) SS.SMp.Ang - Angiosperm communities in reduced salinity SS.SMp.Ang.NVC A12 - Stuckenia pectinata community SS.SMp.Ang.NVC S4 - Phragmites australis swamp and reed beds SS.SMp.KSwSS - Kelp and seaweed communities on sublittoral sediment SS.SMp.KSwSS.FilG - Filamentous green seaweeds on low salinity infralittoral mixed sediment or rock SS.SMp.KSwSS.Pcri - Loose-lying mats of Phyllophora crispa on infralittoral muddy sediment SS.SMp.KSwSS.SlatR - Saccharina latissima and red seaweeds on infralittoral sediments SS.SMp.KSwSS.SlatR.CbPb - Red seaweeds and kelps on tide-swept mobile infralittoral cobbles and pebbles SS.SMp.KSwSS.Tra - Mats of Trailliella on infralittoral muddy gravel SS.SMp.Mrl.Lcor - Lithothamnion corallioides maerl beds on infralittoral muddy gravel SS.SMp.Mrl.Lfas - Lithophyllum fasciculatum maerl beds on infralittoral mud SS.SMp.Mrl.Lgla - Lithothamnion glaciale maerl beds in tide-swept variable salinity infralittoral gravel SS.SMp.Mrl.Pcal - Phymatolithon calcareum maerl beds in infralittoral clean gravel or coarse sand SS.SMp.Mrl.Pcal.Nmix - Phymatolithon calcareum maerl beds with Neopentadactyla mixta and other echinoderms in deeper infralittoral clean gravel or coarse sand SS.SMp.Mrl.Pcal.R - Phymatolithon calcareum maerl beds with red seaweeds in shallow infralittoral clean gravel or coarse sand SS.SMp.SSgr - Sublittoral seagrass beds SS.SMp.SSgr.Rup - Ruppia maritima in reduced salinity infralittoral muddy sand SS.SMp.SSgr.Zmar - Zostera marina/angustifolia beds on lower shore or infralittoral clean or muddy sand SS.SMu - Sublittoral cohesive mud and sandy mud communities SS.SMu.CFiMu - Circalittoral fine mud SS.SMu.CFiMu.BlyrAchi - Brissopsis lyrifera and Amphiura chiajei in circalittoral mud SS.SMu.CFiMu.MegMax - Burrowing megafauna Maxmuelleria lankesteri in circalittoral mud SS.SMu.CFiMu.SpnMeg - Sea pens and burrowing megafauna in circalittoral fine mud SS.SMu.CFiMu.SpnMeg.Fun - Sea pens, including Funiculina quadrangularis, and burrowing megafauna in undisturbed circalittoral fine mud SS.SMu.CSaMu - Circalittoral sandy mud SS.SMu.CSaMu.AfilKurAnit - Amphiura filiformis, Kurtiella bidentata and Abra nitida in circalittoral sandy mud SS.SMu.CSaMu.LkorPpel - Lagis koreni and Phaxas pellucidus in circalittoral sandy mud SS.SMu.CSaMu.VirOphPmax - Virgularia mirabilis and Ophiura spp. with Pecten maximus on circalittoral sandy or shelly mud SS.SMu.CSaMu.VirOphPmax.HAs - Virgularia mirabilis and Ophiura spp. with Pecten maximus, hydroids and ascidians on circalittoral sandy or shelly mud with stones SS.SMu.IFiMu - Infralittoral fine mud SS.SMu.IFiMu.Are - Arenicola marina in infralittoral mud SS.SMu.IFiMu.Beg - Beggiatoa spp. on anoxic sublittoral mud SS.SMu.IFiMu.CerAnit - Cerastoderma edule with Abra nitida in infralittoral mud SS.SMu.IFiMu.Ocn - Ocnus planci aggregations on sheltered sublittoral muddy sediment SS.SMu.IFiMu.PhiVir - Philine aperta and Virgularia mirabilis in soft stable infralittoral mud SS.SMu.ISaMu.AmpPlon - Ampelisca spp., Photis longicaudata and other tube-building amphipods and polychaetes in infralittoral sandy mud SS.SMu.ISaMu.Cap - Capitella capitata in enriched sublittoral muddy sediments SS.SMu.ISaMu.MelMagThy - Melinna palmata with Magelona spp. and Thyasira spp. in infralittoral sandy mud SS.SMu.ISaMu.NhomMac - Nephtys hombergii and Macoma balthica in infralittoral sandy mud SS.SMu.OMu - Offshore circalittoral mud SS.SMu.OMu.AfalPpin - Ampharete falcata turf with Parvicardium pinnulatum on cohesive muddy sediment near margins of deep stratified seas SS.SMu.OMu.CapThy - Capitella capitata and Thyasira spp. in organically-enriched offshore circalittoral mud and sandy mud SS.SMu.OMu.CapThy.Odub - Capitella capitata , Thyasira spp. and Ophryotrocha dubia in organically-enriched offshore circalittoral sandy mud SS.SMu.OMu.ForThy - Foraminiferans and Thyasira sp. in deep circalittoral fine mud SS.SMu.OMu.LevHet - Levinsenia gracilis and Heteromastus filifirmis in offshore circalittoral mud and sandy mud SS.SMu.OMu.MyrPo - Myrtea spinifera and polychaetes in offshore circalittoral sandy mud SS.SMu.OMu.PjefThyAfil - Paramphinome jeffreysii , Thyasira spp. and Amphiura filiformis in offshore circalittoral sandy mud SS.SMu.OMu.StyPse - Styela gelatinosa , Pseudamussium peslutrae and solitary ascidians on sheltered deep circalittoral muddy sediment SS.SMu.SMuVS - Sublittoral mud in variable salinity (estuaries) SS.SMu.SMuVS.AphTubi - Aphelochaeta marioni and Tubificoides spp. in variable salinity infralittoral mud SS.SMu.SMuVS.CapTubi - Capitella capitata and Tubificoides spp. in reduced salinity infralittoral muddy sediment SS.SMu.SMuVS.LhofTtub - Limnodrilus hoffmeisteri, Tubifex tubifex and Gammarus spp. in low salinity infralittoral muddy sediment SS.SMu.SMuVS.MoMu - Infralittoral fluid mobile mud SS.SMu.SMuVS.NhomTubi - Nephtys hombergii and Tubificoides spp. in variable salinity infralittoral soft mud SS.SMu.SMuVS.OlVS - Oligochaetes in variable or reduced salinity infralittoral muddy sediment SS.SMu.SMuVS.PolCvol - Polydora ciliata and Corophium volutator in variable salinity infralittoral firm mud or clay SS.SMx - Sublittoral mixed sediment SS.SMx.CMx.ClloModHo - Sparse Modiolus modiolus, dense Cerianthus lloydii and burrowing holothurians on sheltered circalittoral stones and mixed sediment SS.SMx.CMx.FluHyd - Flustra foliacea and Hydrallmania falcata on tide-swept circalittoral mixed sediment SS.SMx.IMx.Lim - Limaria hians beds in tide-swept sublittoral muddy mixed sediment SS.SMx.IMx.Ost - Ostrea edulis beds on shallow sublittoral muddy mixed sediment SS.SMx.IMx.VcorAsquAps - Venerupis corrugata, Amphipholis squamata and Apseudes latreilli in infralittoral mixed sediment SS.SMx.SMxVS - Sublittoral mixed sediment in variable salinity (estuaries) SS.SMx.SMxVS.AphPol - Aphelochaeta spp. and Polydora spp. in variable salinity infralittoral mixed sediment SS.SMx.SMxVS.CreMed - Crepidula fornicata and Mediomastus fragilis in variable salinity infralittoral mixed sediment SS.SSa.CMuSa - Circalittoral muddy sand SS.SSa.CMuSa.AalbNuc - Abra alba and Nucula nitidosa in circalittoral muddy sand or slightly mixed sediment SS.SSa.IFiSa.IMoSa - Infralittoral mobile clean sand with sparse fauna SS.SSa.IFiSa.NcirBat - Nephtys cirrosa and Bathyporeia spp. in infralittoral sand SS.SSa.IFiSa.ScupHyd - Sertularia cupressina and Hydrallmania falcata on tide-swept sublittoral sand with cobbles or pebbles. SS.SSa.IFiSa.TbAmPo - Semi-permanent tube-building amphipods and polychaetes in sublittoral sand SS.SSa.IMuSa.EcorEns - Echinocardium cordatum and Ensis spp. in lower shore and shallow sublittoral slightly muddy fine sand SS.SSa.IMuSa.FfabMag - Fabulina fabula and Magelona mirabilis with venerid bivalves and amphipods in infralittoral compacted fine muddy sand SS.SSa.SSaVS.MoSaVS - Infralittoral mobile sand in variable salinity (estuaries) SS.SSa.SSaVS.NcirAm - Nephtys cirrosa and amphipods in variable salinity infralittoral mobile sand SS.SSa.SSaVS.NintGam - Neomysis integer and Gammarus spp. in fluctuating low salinity infralittoral mobile sand
EUNIS 2004[Required field] select EUNIS 2004 code A - Marine habitats A1 - Littoral rock and other hard substrata A1.1 - High energy littoral rock A1.11 - Mussel and/or barnacle communities A1.111 - Mytilus edulis and barnacles on very exposed eulittoral rock A1.112 - Chthamalus spp. on exposed upper eulittoral rock A1.1121 - Chthamalus montagui and Chthamalus stellatus on exposed upper eulittoral rock A1.1122 - Chthamalus spp. and Lichina pygmaea on steep exposed upper eulittoral rock A1.113 - Semibalanus balanoides on exposed to moderately exposed or vertical sheltered eulittoral rock A1.1131 - Semibalanus balanoides , Patella vulgata and Littorina spp. on exposed to moderately exposed or vertical sheltered eulittoral rock A1.1132 - Semibalanus balanoides , Fucus vesiculosus and red seaweeds on exposed to moderately exposed eulittoral rock A1.1133 - Semibalanus balanoides and Littorina spp. on exposed to moderately exposed eulittoral boulders and cobbles A1.12 - Robust fucoid and/or red seaweed communities A1.121 - Fucus distichus and Fucus spiralis f. nana on extremely exposed upper eulittoral rock A1.122 - Corallina officinalis on exposed to moderately exposed lower eulittoral rock A1.1221 - Corallina officinalis and Mastocarpus stellatus on exposed to moderately exposed lower eulittoral rock A1.1222 - Corallina officinalis , Himanthalia elongata and Patella ulyssiponensis on very exposed lower eulittoral rock A1.123 - Himanthalia elongata and red seaweeds on exposed lower eulittoral rock A1.124 - Palmaria palmata on very exposed to moderately exposed lower eulittoral rock A1.125 - Mastocarpus stellatus and Chondrus crispus on very exposed to moderately exposed lower eulittoral rock A1.126 - Osmundea pinnatifida on moderately exposed mid eulittoral rock A1.127 - Ceramium sp. and piddocks on eulittoral fossilised peat A1.15 - Fucoids in tide-swept conditions A1.151 - Ascophyllum nodosum , sponges and ascidians on tide-swept mid eulittoral rock A1.152 - Fucus serratus , sponges and ascidians on tide-swept lower eulittoral rock A1.153 - Fucus serratus with sponges, ascidians and red seaweeds on tide-swept lower eulittoral mixed substrata A1.2 - Moderate energy littoral rock A1.21 - Barnacles and fucoids on moderately exposed shores A1.211 - Pelvetia canaliculata and barnacles on moderately exposed littoral fringe rock A1.212 - Fucus spiralis on full salinity exposed to moderately exposed upper eulittoral rock A1.213 - Fucus vesiculosus and barnacle mosaics on moderately exposed mid eulittoral rock A1.214 - Fucus serratus on moderately exposed lower eulittoral rock A1.2141 - Fucus serratus and red seaweeds on moderately exposed lower eulittoral rock A1.2142 - Fucus serratus and under-boulder fauna on exposed to moderately exposed lower eulittoral boulders A1.2143 - Fucus serratus and piddocks on lower eulittoral soft rock A1.215 - Rhodothamniella floridula on sand-scoured lower eulittoral rock A1.22 - Mussels and fucoids on moderately exposed shores A1.221 - Mytilus edulis and Fucus vesiculosus on moderately exposed mid eulittoral rock A1.222 - Mytilus edulis , Fucus serratus and red seaweeds on moderately exposed lower eulittoral rock A1.223 - Mytilus edulis and piddocks on eulittoral firm clay A1.3 - Low energy littoral rock A1.31 - Fucoids on sheltered marine shores A1.311 - Pelvetia canaliculata on sheltered littoral fringe rock A1.312 - Fucus spiralis on sheltered upper eulittoral rock A1.3121 - Fucus spiralis on full salinity sheltered upper eulittoral rock A1.3122 - Fucus spiralis on full salinity upper eulittoral mixed substrata A1.313 - Fucus vesiculosus on moderately exposed to sheltered mid eulittoral rock A1.3131 - Fucus vesiculosus on full salinity moderately exposed to sheltered mid eulittoral rock A1.3132 - Fucus vesiculosus on mid eulittoral mixed substrata A1.314 - Ascophyllum nodosum on very sheltered mid eulittoral rock A1.3141 - Ascophyllum nodosum on full salinity mid eulittoral rock A1.3142 - Ascophyllum nodosum on full salinity mid eulittoral mixed substrata A1.315 - Fucus serratus on sheltered lower eulittoral rock A1.3151 - Fucus serratus on full salinity sheltered lower eulittoral rock A1.3152 - Fucus serratus on full salinity lower eulittoral mixed substrata A1.32 - Fucoids in variable salinity A1.321 - Pelvetia canaliculata on sheltered variable salinity littoral fringe rock A1.322 - Fucus spiralis on sheltered variable salinity upper eulittoral rock A1.323 - Fucus vesiculosus on variable salinity mid eulittoral boulders and stable mixed substrata A1.324 - Ascophyllum nodosum and Fucus vesiculosus on variable salinity mid eulittoral rock A1.325 - Ascophyllum nodosum ecad. mackaii beds on extremely sheltered mid eulittoral mixed substrata A1.326 - Fucus serratus and large Mytilus edulis on variable salinity lower eulittoral rock A1.327 - Fucus ceranoides on reduced salinity eulittoral rock A1.4 - Features of littoral rock A1.41 - Communities of littoral rockpools A1.411 - Coralline crust-dominated shallow eulittoral rockpools A1.4111 - Coralline crusts and Corallina officinalis in shallow eulittoral rockpools A1.4112 - Coralline crusts and Paracentrotus lividus in shallow eulittoral rockpools A1.4113 - Bifurcaria bifurcata in shallow eulittoral rockpools A1.4114 - Cystoseira spp. in eulittoral rockpools A1.412 - Fucoids and kelp in deep eulittoral rockpools A1.4121 - Sargassum muticum in eulittoral rockpools A1.413 - Seaweeds in sediment-floored eulittoral rockpools A1.414 - Hydroids, ephemeral seaweeds and Littorina littorea in shallow eulittoral mixed substrata pools A1.42 - Communities of rockpools in the supralittoral zone A1.421 - Green seaweeds (Enteromorpha spp. and Cladophora spp.) in shallow upper shore rockpools A1.44 - Communities of littoral caves and overhangs A1.441 - Chrysophyceae and Haptophyceae on vertical upper littoral fringe soft rock A1.442 - Green algal films on upper and mid-shore cave walls and ceilings A1.443 - Audouinella purpurea and Pilinia maritima crusts on upper and mid-shore cave walls and ceilings A1.444 - Audouinella purpurea and Cladophora rupestris on upper to mid-shore cave walls A1.445 - Verrucaria mucosa and/or Hildenbrandia rubra on upper to mid shore cave walls A1.446 - Sponges and shade-tolerant red seaweeds on overhanging lower eulittoral bedrock and in cave entrances A1.4461 - Sponges, shade-tolerant red seaweeds and Dendrodoa grossularia on wave-surged overhanging lower eulittoral bedrock and caves A1.447 - Sponges, bryozoans and ascidians on deeply overhanging lower shore bedrock or caves A1.448 - Faunal crusts on wave-surged littoral cave walls A1.449 - Sparse fauna (barnacles and spirorbids) on sand/pebble-scoured rock in littoral caves A1.44A - Barren and/or boulder-scoured littoral cave walls and floors A1.45 - Ephemeral green or red seaweeds (freshwater or sand-influenced) on non-mobile substrata A1.451 - Enteromorpha spp. on freshwater-influenced and/or unstable upper eulittoral rock A1.452 - Porphyra purpurea or Enteromorpha spp. on sand-scoured mid or lower eulittoral rock A2 - Littoral sediment A2.1 - Littoral coarse sediment A2.11 - Shingle (pebble) and gravel shores A2.111 - Barren littoral shingle A2.112 - Pectenogammarus planicrurus in mid shore well-sorted gravel or coarse sand A2.2 - Littoral sand and muddy sand A2.21 - Strandline A2.211 - Talitrids on the upper shore and strandline A2.212 - Mytilus edulis and Fabricia sabella in littoral mixed sediment A2.22 - Barren or amphipod-dominated mobile sand shores A2.221 - Barren littoral coarse sand A2.222 - Oligochaetes in littoral mobile sand A2.2221 - Oligochaetes in full salinity littoral mobile sand A2.2222 - Oligochaetes in variable salinity littoral mobile sand A2.223 - Amphipods and Scolelepis spp. in littoral medium-fine sand A2.2231 - Scolelepis spp. in littoral mobile sand A2.2232 - Eurydice pulchra in littoral mobile sand A2.2233 - Pontocrates arenarius in littoral mobile sand A2.23 - Polychaete/amphipod-dominated fine sand shores A2.231 - Polychaetes in littoral fine sand A2.2311 - Polychaetes, including Paraonis fulgens , in littoral fine sand A2.2312 - Polychaetes and Angulus tenuis in littoral fine sand A2.2313 - Nephtys cirrosa -dominated littoral fine sand A2.24 - Polychaete/bivalve-dominated muddy sand shores A2.241 - Macoma balthica and Arenicola marina in muddy sand shores A2.242 - Cerastoderma edule and polychaetes in littoral muddy sand A2.243 - Hediste diversicolor , Macoma balthica and Eteone longa in littoral muddy sand A2.244 - Bathyporeia pilosa and Corophium arenarium in littoral muddy sand A2.245 - Lanice conchilega in littoral sand A2.3 - Littoral mud A2.31 - Polychaete/bivalve-dominated mid estuarine mud shores A2.311 - Nephtys hombergii , Macoma balthica and Streblospio shrubsolii in littoral sandy mud A2.312 - Hediste diversicolor and Macoma balthica in littoral sandy mud A2.313 - Hediste diversicolor , Macoma balthica and Scrobicularia plana in littoral sandy mud A2.32 - Polychaete/oligochaete-dominated upper estuarine mud shores A2.321 - Nephtys hombergii and Streblospio shrubsolii in littoral mud A2.322 - Hediste diversicolor in littoral mud A2.3221 - Hediste diversicolor and Streblospio shrubsolii in littoral sandy mud A2.3222 - Hediste diversicolor and Corophium volutator in littoral mud A2.3223 - Hediste diversicolor and oligochaetes in littoral mud A2.323 - Tubificoides benedii and other oligochaetes in littoral mud A2.324 - Saltmarsh pools A2.325 - Saltmarsh creeks A2.3251 - Erosion faces with Carcinus maenas A2.4 - Littoral mixed sediments A2.41 - Hediste diversicolor dominated gravelly sandy mud shores A2.411 - Hediste diversicolor in littoral gravelly muddy sand and gravelly sandy mud A2.4111 - Hediste diversicolor and Macoma balthica in littoral gravelly mud A2.4112 - Hediste diversicolor and Scrobicularia plana in littoral gravelly mud A2.4113 - Hediste diversicolor and Streblospio shrubsolii in littoral gravelly sandy mud A2.4114 - Hediste diversicolor , cirratulids and Tubificoides spp. in littoral gravelly sandy mud A2.4115 - Hediste diversicolor and Corophium volutator in littoral gravelly sandy mud A2.42 - Species-rich mixed sediment shores A2.421 - Cirratulids and Cerastoderma edule in littoral mixed sediment A2.43 - Species-poor mixed sediment shores A2.431 - Barnacles and Littorina spp. on unstable eulittoral mixed substrata A2.5 - Coastal saltmarshes and saline reedbeds A2.51 - Saltmarsh driftlines A2.511 - Atlantic saltmarsh and drift rough grass communities A2.514 - Elymus pycnanthus with Suaeda vera or Inula crithmoides saltmarsh driftlines A2.515 - Elymus repens saltmarsh driftlines A2.516 - Suaeda vera saltmarsh driftlines A2.517 - Suaeda vera - Limonium binervosum saltmarsh driftlines A2.518 - Spergularia marina - Puccinellia distans saltmarsh driftlines A2.519 - Frankenia laevis - Halimione portulacoides saltmarsh driftlines A2.51A - Inula crithmoides on saltmarshes A2.51B - Sagina maritima ephemeral salt marsh in sand A2.52 - Upper saltmarshes A2.521 - Atlantic and Baltic brackish saltmarsh communities A2.527 - Atlantic salt scrubs A2.527 - Atlantic salt scrubs A2.527 - Atlantic salt scrubs A2.53 - Mid-upper saltmarshes and saline and brackish reed, rush and sedge beds A2.531 - Atlantic upper shore communities A2.531 - Atlantic upper shore communities A2.531 - Atlantic upper shore communities A2.531 - Atlantic upper shore communities A2.531 - Atlantic upper shore communities A2.531 - Atlantic upper shore communities A2.531 - Atlantic upper shore communities A2.531 - Atlantic upper shore communities A2.535 - Juncus maritimus mid-upper saltmarshes A2.536 - Juncus maritimus mid-upper saltmarshes with Triglochin maritima A2.537 - Eleocharis uniglumis mid-upper saltmarshes A2.538 - Blysmus rufus mid-upper saltmarshes A2.539 - Mid-upper saltmarshes: Artemisia maritima with Festuca rubra , or open canopy of Artemisia maritima and Halimione A2.53A - Festuca rubra mid-upper saltmarshes A2.53B - Mid-upper saltmarshes: sub-communities of Festuca rubra with Agrostis stolonifera , Juncus gerardi , Puccinellia maritima , Glaux maritima , Triglochin maritima , Armeria maritima and Plantago maritima A2.54 - Low-mid saltmarshes A2.541 - Atlantic saltmarsh grass lawns A2.542 - Atlantic lower shore communities A2.542 - Atlantic lower shore communities A2.542 - Atlantic lower shore communities A2.542 - Atlantic lower shore communities A2.545 - Halimione portulacoides low-mid saltmarshes A2.548 - Annual Salicornia , Suaeda and Puccinellia maritima low-mid saltmarshes A2.55 - Pioneer saltmarshes A2.551 - Salicornia , Suaeda and Salsola pioneer saltmarshes A2.551 - Salicornia , Suaeda and Salsola pioneer saltmarshes A2.5512 - Suaeda maritima pioneer saltmarshes A2.5513 - Salicornia spp. pioneer saltmarshes A2.553 - Atlantic Sagina maritima communities A2.554 - Flat-leaved Spartina swards A2.554 - Flat-leaved Spartina swards A2.554 - Flat-leaved Spartina swards A2.5541 - Spartina anglica pioneer saltmarshes A2.5542 - Spartina alterniflora with Spartina anglica , Puccinellia maritima and Aster tripolium A2.5543 - Spartina maritima pioneer saltmarshes A2.556 - Rayed Aster tripolium pioneer saltmarshes A2.557 - Aster tripolium var. discoides pioneer saltmarshes A2.558 - Arthrocnemum perenne pioneer saltmarshes, sometimes with Halimione , Puccinellia and Suaeda A2.6 - Littoral sediments dominated by aquatic angiosperms A2.61 - Seagrass beds on littoral sediments A2.6111 - Zostera noltii beds in littoral muddy sand A2.7 - Littoral biogenic reefs A2.71 - Littoral Sabellaria reefs A2.711 - Sabellaria alveolata reefs on sand-abraded eulittoral rock A2.72 - Littoral mussel beds on sediment A2.721 - Mytilus edulis beds on littoral sediments A2.7211 - Mytilus edulis beds on littoral mixed substrata A2.7212 - Mytilus edulis beds on littoral sand A2.7213 - Mytilus edulis beds on littoral mud A2.8 - Features of littoral sediment A2.82 - Ephemeral green or red seaweeds (freshwater or sand-influenced) on mobile substrata A2.821 - Ephemeral green and red seaweeds on variable salinity and/or disturbed eulittoral mixed substrata A3 - Infralittoral rock and other hard substrata A3.1 - Atlantic and Mediterranean high energy infralittoral rock A3.11 - Kelp with cushion fauna and/or foliose red seaweeds A3.111 - Alaria esculenta on exposed sublittoral fringe bedrock A3.1111 - Alaria esculenta , Mytilus edulis and coralline crusts on very exposed sublittoral fringe bedrock A3.1112 - Alaria esculenta and Laminaria digitata on exposed sublittoral fringe bedrock A3.112 - Alaria esculenta forest with dense anemones and crustose sponges on extremely exposed infralittoral bedrock A3.113 - Laminaria hyperborea forest with a faunal cushion (sponges and polyclinids) and foliose red seaweeds on very exposed infralittoral rock A3.114 - Sparse Laminaria hyperborea and dense Paracentrotus lividus on exposed infralittoral limestone A3.115 - Laminaria hyperborea with dense foliose red seaweeds on exposed infralittoral rock A3.1151 - Laminaria hyperborea forest with dense foliose red seaweeds on exposed upper infralittoral rock A3.1152 - Laminaria hyperborea park with dense foliose red seaweeds on exposed lower infralittoral rock A3.1153 - Mixed Laminaria hyperborea and Laminaria ochroleuca forest on exposed infralittoral rock A3.116 - Foliose red seaweeds on exposed lower infralittoral rock A3.1161 - Foliose red seaweeds with dense Dictyota dichotoma and/or Dictyopteris membranacea on exposed lower infralittoral rock A3.117 - Laminaria hyperborea and red seaweeds on exposed vertical rock A3.12 - Sediment-affected or disturbed kelp and seaweed communities A3.121 - Saccorhiza polyschides and other opportunistic kelps on disturbed upper infralittoral rock A3.122 - Laminaria saccharina and/or Saccorhiza polyschides on exposed infralittoral rock A3.123 - Laminaria saccharina , Chorda filum and dense red seaweeds on shallow unstable infralittoral boulders and cobbles A3.124 - Dense Desmarestia spp. with filamentous red seaweeds on exposed infralittoral cobbles, pebbles and bedrock A3.125 - Mixed kelps with scour-tolerant and opportunistic foliose red seaweeds on scoured or sand-covered infralittoral rock A3.126 - Halidrys siliquosa and mixed kelps on tide-swept infralittoral rock with coarse sediment A3.127 - Polyides rotundus , Ahnfeltia plicata and Chondrus crispus on sand-covered infralittoral rock A3.2 - Atlantic and Mediterranean moderate energy infralittoral rock A3.21 - Kelp and red seaweeds (moderate energy infralittoral rock) A3.211 - Laminaria digitata on moderately exposed sublittoral fringe rock A3.2111 - Laminaria digitata on moderately exposed sublittoral fringe bedrock A3.2112 - Laminaria digitata and under-boulder fauna on sublittoral fringe boulders A3.2113 - Laminaria digitata and piddocks on sublittoral fringe soft rock A3.212 - Laminaria hyperborea on tide-swept, infralittoral rock A3.2121 - Laminaria hyperborea forest, foliose red seaweeds and a diverse fauna on tide-swept upper infralittoral rock A3.2122 - Laminaria hyperborea park with hydroids, bryozoans and sponges on tide-swept lower infralittoral rock A3.213 - Laminaria hyperborea on tide-swept infralittoral mixed substrata A3.2131 - Laminaria hyperborea forest and foliose red seaweeds on tide-swept upper infralittoral mixed substrata A3.2132 - Laminaria hyperborea park and foliose red seaweeds on tide-swept lower infralittoral mixed substrata A3.214 - Laminaria hyperborea and foliose red seaweeds on moderately exposed infralittoral rock A3.2141 - Laminaria hyperborea forest and foliose red seaweeds on moderately exposed upper infralittoral rock A3.2142 - Laminaria hyperborea park and foliose red seaweeds on moderately exposed lower infralittoral rock A3.2143 - Grazed Laminaria hyperborea forest with coralline crusts on upper infralittoral rock A3.2144 - Grazed Laminaria hyperborea park with coralline crusts on lower infralittoral rock A3.215 - Sabellaria spinulosa with kelp and red seaweeds on sand-influenced infralittoral rock A3.216 - Dense foliose red seaweeds on silty moderately exposed infralittoral rock A3.217 - Laminaria hyperborea on moderately exposed vertical rock A3.218 - Hiatella arctica and seaweeds on vertical limestone / chalk A3.22 - Kelp and seaweed communities in tide-swept sheltered conditions A3.221 - Laminaria digitata , ascidians and bryozoans on tide-swept sublittoral fringe rock A3.222 - Mixed kelp with foliose red seaweeds, sponges and ascidians on sheltered tide-swept infralittoral rock A3.223 - Mixed kelp and red seaweeds on infralittoral boulders, cobbles and gravel in tidal rapids A3.224 - Laminaria saccharina with foliose red seaweeds and ascidians on sheltered tide-swept infralittoral rock A3.225 - Filamentous red seaweeds, sponges and Balanus crenatus on tide-swept variable-salinity infralittoral rock A3.3 - Atlantic and Mediterranean low energy infralittoral rock A3.31 - Silted kelp on low energy infralittoral rock with full salinity A3.311 - Mixed Laminaria hyperborea and Laminaria ochroleuca forest on moderately exposed or sheltered infralittoral rock A3.312 - Mixed Laminaria hyperborea and Laminaria saccharina on sheltered infralittoral rock A3.3121 - Mixed Laminaria hyperborea and Laminaria saccharina forest on sheltered upper infralittoral rock A3.3122 - Mixed Laminaria hyperborea and Laminaria saccharina park on sheltered lower infralittoral rock A3.3123 - Grazed, mixed Laminaria hyperborea and Laminaria saccharina on sheltered infralittoral rock A3.313 - Laminaria saccharina on very sheltered infralittoral rock A3.3131 - Laminaria saccharina and Laminaria digitata on sheltered sublittoral fringe rock A3.3132 - Laminaria saccharina forest on very sheltered upper infralittoral rock A3.3133 - Laminaria saccharina park on very sheltered lower infralittoral rock A3.3134 - Grazed Laminaria saccharina with Echinus , brittlestars and coralline crusts on sheltered infralittoral rock A3.314 - Silted cape-form Laminaria hyperborea on very sheltered infralittoral rock A3.315 - Sargassum muticum on shallow slightly tide-swept infralittoral mixed substrata A3.32 - Kelp in variable salinity on low energy infralittoral rock A3.321 - Codium spp. with red seaweeds and sparse Laminaria saccharina on shallow, heavily-silted, very sheltered infralittoral rock A3.322 - Laminaria saccharina and Psammechinus miliaris on variable salinity grazed infralittoral rock A3.323 - Laminaria saccharina with Phyllophora spp. and filamentous green seaweeds on variable or reduced salinity infralittoral rock A3.34 - Submerged fucoids, green or red seaweeds (low salinity infralittoral rock) A3.341 - Mixed fucoids, Chorda filum and green seaweeds on reduced salinity infralittoral rock A3.342 - Ascophyllum nodosum and epiphytic sponges and ascidians on variable salinity infralittoral rock A3.343 - Polyides rotundus and/or Furcellaria lumbricalis on reduced salinity infralittoral rock A3.344 - Fucus ceranoides and Enteromorpha spp. on low salinity infralittoral rock A3.36 - Faunal communities on variable or reduced salinity infralittoral rock A3.361 - Mytilus edulis beds on reduced salinity infralittoral rock A3.362 - Cordylophora caspia and Electra crustulenta on reduced salinity infralittoral rock A3.363 - Hartlaubella gelatinosa and Conopeum reticulum on low salinity infralittoral mixed substrata A3.7 - Features of infralittoral rock A3.71 - Robust faunal cushions and crusts in surge gullies and caves A3.711 - Foliose seaweeds and coralline crusts in surge gully entrances A3.712 - Anemones, including Corynactis viridis, crustose sponges and colonial ascidians on very exposed or wave surged vertical infralittoral rock A3.713 - Crustose sponges and colonial ascidians with Dendrodoa grossularia or barnacles on wave-surged infralittoral rock A3.714 - Dendrodoa grossularia and Clathrina coriacea on wave-surged vertical infralittoral rock A3.715 - Crustose sponges on extremely wave-surged infralittoral cave or gully walls A3.716 - Coralline crusts in surge gullies and scoured infralittoral rock A3.7161 - Balanus crenatus and/or Pomatoceros triqueter with spirorbid worms and coralline crusts on severely scoured vertical infralittoral rock A3.7162 - Coralline crusts and crustaceans on mobile boulders or cobbles in surge gullies A3.72 - Infralittoral fouling seaweed communities A4 - Circalittoral rock and other hard substrata A4.1 - Atlantic and Mediterranean high energy circalittoral rock A4.11 - Very tide-swept faunal communities on circalittoral rock A4.111 - Balanus crenatus and Tubularia indivisa on extremely tide-swept circalittoral rock A4.112 - Tubularia indivisa on tide-swept circalittoral rock A4.1121 - Tubularia indivisa and cushion sponges on tide-swept turbid circalittoral bedrock A4.1122 - Alcyonium digitatum with dense Tubularia indivisa and anemones on strongly tide-swept circalittoral rock A4.12 - Sponge communities on deep circalittoral rock A4.121 - Phakellia ventilabrum and axinellid sponges on deep, wave-exposed circalittoral rock A4.13 - Mixed faunal turf communities on circalittoral rock A4.131 - Bryozoan turf and erect sponges on tide-swept circalittoral rock A4.1311 - Eunicella verrucosa and Pentapora foliacea on wave-exposed circalittoral rock A4.1312 - Mixed turf of bryozoans and erect sponges with Dysidia fragilis and Actinothoe sphyrodeta on tide-swept wave-exposed circalittoral rock A4.1313 - Mixed turf of bryozoans and erect sponges with Sagartia elegans on tide-swept circalittoral rock A4.132 - Corynactis viridis and a mixed turf of crisiids, Bugula , Scrupocellaria , and Cellaria on moderately tide-swept exposed circalittoral rock A4.133 - Mixed turf of hydroids and large ascidians with Swiftia pallida and Caryophyllia smithii on weakly tide-swept circalittoral rock A4.134 - Flustra foliacea and colonial ascidians on tide-swept moderately wave-exposed circalittoral rock A4.1341 - Polyclinum aurantium and Flustra foliacea on sand-scoured tide-swept moderately wave-exposed circalittoral rock A4.1342 - Flustra foliacea , small solitary and colonial ascidians on tide-swept circalittoral bedrock or boulders A4.1343 - Flustra foliacea and colonial ascidians on tide-swept exposed circalittoral mixed substrata A4.135 - Sparse sponges, Nemertesia spp., and Alcyonidium diaphanum on circalittoral mixed substrata A4.136 - Suberites spp. with a mixed turf of crisiids and Bugula spp. on heavily silted moderately wave-exposed shallow circalittoral rock A4.137 - Flustra foliacea and Haliclona oculata with a rich faunal turf on tide-swept circalittoral mixed substrata A4.138 - Molgula manhattensis with a hydroid and bryozoan turf on tide-swept moderately wave-exposed circalittoral rock A4.139 - Sponges and anemones on vertical circalittoral bedrock A4.2 - Atlantic and Mediterranean moderate energy circalittoral rock A4.21 - Echinoderms and crustose communities on circalittoral rock A4.211 - Caryophyllia smithii and Swiftia pallida on circalittoral rock A4.2111 - Caryophyllia smithii , Swiftia pallida and Alcyonium glomeratum on wave-sheltered circalittoral rock A4.2112 - Caryophyllia smithii , Swiftia pallida and large solitary ascidians on exposed or moderately exposed circalittoral rock A4.212 - Caryophyllia smithii , sponges and crustose communities on wave-exposed circalittoral rock A4.2121 - Brittlestars overlying coralline crusts, Parasmittina trispinosa and Caryophyllia smithii on wave-exposed circalittoral rock A4.2122 - Caryophyllia smithii and sponges with Pentapora foliacea , Porella compressa and crustose communities on wave-exposed circalittoral rock A4.213 - Urticina felina and sand-tolerant fauna on sand-scoured or covered circalittoral rock A4.214 - Faunal and algal crusts on exposed to moderately wave-exposed circalittoral rock A4.2141 - Flustra foliacea on slightly scoured silty circalittoral rock A4.2142 - Alcyonium digitatum , Pomatoceros triqueter , algal and bryozoan crusts on wave-exposed circalittoral rock A4.2143 - Alcyonium digitatum with Securiflustra securifrons on tide-swept moderately wave-exposed circalittoral rock A4.2144 - Brittlestars on faunal and algal encrusted exposed to moderately wave-exposed circalittoral rock A4.2145 - Faunal and algal crusts with Pomatoceros triqueter and sparse Alcyonium digitatum on exposed to moderately wave-exposed circalittoral rock A4.2146 - Caryophyllia smithii with faunal and algal crusts on moderately wave-exposed circalittoral rock A4.215 - Alcyonium digitatum and faunal crust communities on vertical circalittoral bedrock A4.22 - Sabellaria reefs on circalittoral rock A4.221 - Sabellaria spinulosa encrusted circalittoral rock A4.2211 - Sabellaria spinulosa with a bryozoan turf and barnacles on silty turbid circalittoral rock A4.2212 - Sabellaria spinulosa , didemnid and small ascidians on tide-swept moderately wave-exposed circalittoral rock A4.23 - Communities on soft circalittoral rock A4.231 - Piddocks with a sparse associated fauna in sublittoral very soft chalk or clay A4.232 - Polydora sp. tubes on moderately exposed sublittoral soft rock A4.233 - Hiatella -bored vertical sublittoral limestone rock A4.24 - Mussel beds on circalittoral rock A4.241 - Mytilus edulis beds with hydroids and ascidians on tide-swept exposed to moderately wave-exposed circalittoral rock A4.242 - Musculus discors beds on moderately exposed circalittoral rock A4.25 - Circalittoral faunal communities in variable salinity A4.251 - Cushion sponges and hydroids on turbid tide-swept sheltered circalittoral rock A4.2511 - Cushion sponges, hydroids and ascidians on turbid tide-swept sheltered circalittoral rock A4.2512 - Cushion sponges and hydroids on turbid tide-swept variable salinity sheltered circalittoral rock A4.252 - Halichondria bowerbanki , Eudendrium arbusculum and Eucratea loricata on reduced salinity tide-swept circalittoral mixed substrata A4.3 - Atlantic and Mediterranean low energy circalittoral rock A4.31 - Brachiopod and ascidian communities on circalittoral rock A4.311 - Solitary ascidians, including Ascidia mentula and Ciona intestinalis , on wave-sheltered circalittoral rock A4.3111 - Solitary ascidians, including Ascidia mentula and Ciona intestinalis , with Antedon spp. on wave-sheltered circalittoral rock A4.3112 - Dense brittlestars with sparse Ascidia mentula and Ciona intestinalis on sheltered circalittoral mixed substrata A4.312 - Large solitary ascidians and erect sponges on wave-sheltered circalittoral rock A4.313 - Antedon spp., solitary ascidians and fine hydroids on sheltered circalittoral rock A4.314 - Neocrania anomala and Protanthea simplex on sheltered circalittoral rock A4.3141 - Neocrania anomala and Protanthea simplex on very wave-sheltered circalittoral rock A4.3142 - Neocrania anomala , Dendrodoa grossularia and Sarcodictyon roseum on variable salinity circalittoral rock A4.7 - Features of circalittoral rock A4.71 - Communities of circalittoral caves and overhangs A4.711 - Sponges, cup corals and anthozoans on shaded or overhanging circalittoral rock A4.72 - Circalittoral fouling faunal communities A4.721 - Alcyonium digitatum and Metridium senile on moderately wave-exposed circalittoral steel wrecks A4.722 - Ascidiella aspersa on circalittoral artificial substrata A5 - Sublittoral sediment A5.1 - Sublittoral coarse sediment A5.12 - Sublittoral coarse sediment in variable salinity (estuaries) A5.13 - Infralittoral coarse sediment A5.131 - Sparse fauna on highly mobile sublittoral shingle (cobbles and pebbles) A5.132 - Halcampa chrysanthellum and Edwardsia timida on sublittoral clean stone gravel A5.133 - Moerella spp. with venerid bivalves in infralittoral gravelly sand A5.134 - Hesionura elongata and Microphthalmus similis with other interstitial polychaetes in infralittoral mobile coarse sand A5.135 - Glycera lapidum in impoverished infralittoral mobile gravel and sand A5.136 - Cumaceans and Chaetozone setosa in infralittoral gravelly sand A5.137 - Dense Lanice conchilega and other polychaetes in tide-swept infralittoral sand and mixed gravelly sand A5.14 - Circalittoral coarse sediment A5.141 - Pomatoceros triqueter with barnacles and bryozoan crusts on unstable circalittoral cobbles and pebbles A5.142 - Mediomastus fragilis , Lumbrineris spp. and venerid bivalves in circalittoral coarse sand or gravel A5.143 - Protodorvillea kefersteini and other polychaetes in impoverished circalittoral mixed gravelly sand A5.144 - Neopentadactyla mixta in circalittoral shell gravel or coarse sand A5.145 - Branchiostoma lanceolatum in circalittoral coarse sand with shell gravel A5.15 - Deep circalittoral coarse sediment A5.151 - Glycera lapidum , Thyasira spp. and Amythasides macroglossus in offshore gravelly sand A5.152 - Hesionura elongata and Protodorvillea kefersteini in offshore coarse sand A5.2 - Sublittoral sand A5.21 - Sublittoral sand in low or reduced salinity A5.22 - Sublittoral sand in variable salinity (estuaries) A5.221 - Infralittoral mobile sand in variable salinity (estuaries) A5.222 - Nephtys cirrosa and Macoma balthica in variable salinity infralittoral mobile sand A5.223 - Neomysis integer and Gammarus spp. in fluctuating low salinity infralittoral mobile sand A5.23 - Infralittoral fine sand A5.231 - Infralittoral mobile clean sand with sparse fauna A5.232 - Sertularia cupressina and Hydrallmania falcata on tide-swept sublittoral sand with cobbles or pebbles A5.233 - Nephtys cirrosa and Bathyporeia spp. in infralittoral sand A5.234 - Semi-permanent tube-building amphipods and polychaetes in sublittoral sand A5.24 - Infralittoral muddy sand A5.241 - Echinocardium cordatum and Ensis spp. in lower shore and shallow sublittoral slightly muddy fine sand A5.242 - Fabulina fabula and Magelona mirabilis with venerid bivalves and amphipods in infralittoral compacted fine muddy sand A5.243 - Arenicola marina in infralittoral fine sand or muddy sand A5.244 - Spisula subtruncata and Nephtys hombergii in shallow muddy sand A5.25 - Circalittoral fine sand A5.251 - Echinocyamus pusillus , Ophelia borealis and Abra prismatica in circalittoral fine sand A5.252 - Abra prismatica , Bathyporeia elegans and polychaetes in circalittoral fine sand A5.26 - Circalittoral muddy sand A5.261 - Abra alba and Nucula nitidosa in circalittoral muddy sand or slightly mixed sediment A5.262 - Amphiura brachiata with Astropecten irregularis and other echinoderms in circalittoral muddy sand A5.27 - Deep circalittoral sand A5.271 - Maldanid polychaetes and Eudorellopsis deformis in deep circalittoral sand or muddy sand A5.272 - Owenia fusiformis and Amphiura filiformis in deep circalittoral sand or muddy sand A5.3 - Sublittoral mud A5.31 - Sublittoral mud in low or reduced salinity A5.32 - Sublittoral mud in variable salinity (estuaries) A5.321 - Polydora ciliata and Corophium volutator in variable salinity infralittoral firm mud or clay A5.322 - Aphelochaeta marioni and Tubificoides spp. in variable salinity infralittoral mud A5.323 - Nephtys hombergii and Tubificoides spp. in variable salinity infralittoral soft mud A5.324 - Infralittoral fluid mobile mud A5.325 - Capitella capitata and Tubificoides spp. in reduced salinity infralittoral muddy sediment A5.326 - Oligochaetes in variable or reduced salinity infralittoral muddy sediment A5.327 - Limnodrilus hoffmeisteri , Tubifex tubifex and Gammarus spp. in low salinity infralittoral muddy sediment A5.33 - Infralittoral sandy mud A5.331 - Nephtys hombergii and Macoma balthica in infralittoral sandy mud A5.332 - Sagartiogeton undatus and Ascidiella aspersa on infralittoral sandy mud A5.333 - Mysella bidentata and Abra spp. in infralittoral sandy mud A5.334 - Melinna palmata with Magelona spp. and Thyasira spp. in infralittoral sandy mud A5.335 - Ampelisca spp., Photis longicaudata and other tube-building amphipods and polychaetes in infralittoral sandy mud A5.336 - Capitella capitata in enriched sublittoral muddy sediments A5.34 - Infralittoral fine mud A5.341 - Cerastoderma edule with Abra nitida in infralittoral mud A5.342 - Arenicola marina in infralittoral mud A5.343 - Philine aperta and Virgularia mirabilis in soft stable infralittoral mud A5.344 - Ocnus planci aggregations on sheltered sublittoral muddy sediment A5.35 - Circalittoral sandy mud A5.351 - Amphiura filiformis , Mysella bidentata and Abra nitida in circalittoral sandy mud A5.352 - Thyasira spp. and Nuculoma tenuis in circalittoral sandy mud A5.353 - Amphiura filiformis and Nuculoma tenuis in circalittoral and offshore muddy sand A5.354 - Virgularia mirabilis and Ophiura spp. with Pecten maximus on circalittoral sandy or shelly mud A5.3541 - Virgularia mirabilis and Ophiura spp. with Pecten maximus , hydroids and ascidians on circalittoral sandy or shelly mud with shells or stones A5.355 - Lagis koreni and Phaxas pellucidus in circalittoral sandy mud A5.36 - Circalittoral fine mud A5.361 - Seapens and burrowing megafauna in circalittoral fine mud A5.3611 - Seapens, including Funiculina quadrangularis , and burrowing megafauna in undisturbed circalittoral fine mud A5.362 - Burrowing megafauna and Maxmuelleria lankesteri in circalittoral mud A5.363 - Brissopsis lyrifera and Amphiura chiajei in circalittoral mud A5.37 - Deep circalittoral mud A5.371 - Ampharete falcata turf with Parvicardium ovale on cohesive muddy sediment near margins of deep stratified seas A5.372 - Foraminiferans and Thyasira spp. in deep circalittoral soft mud A5.373 - Styela gelatinosa , Pseudamussium septemradiatum and solitary ascidians on sheltered deep circalittoral muddy sediment A5.374 - Capitella capitata and Thyasira spp. in organically-enriched offshore circalittoral mud and sandy mud A5.3741 - Capitella capitata , Thyasira spp. and Ophryotrocha dubia inorganically-enriched offshore circalittoral mud or sandy mud A5.375 - Levinsenia gracilis and Heteromastus filifirmis in offshore circalittoral mud and sandy mud A5.376 - Paramphinome jeffreysii , Thyasira spp. and Amphiura filiformis in offshore circalittoral sandy mud A5.377 - Myrtea spinifera and polychaetes in offshore circalittoral sandy mud A5.4 - Sublittoral mixed sediments A5.41 - Sublittoral mixed sediment in low or reduced salinity A5.42 - Sublittoral mixed sediment in variable salinity (estuaries) A5.421 - Aphelochaeta spp. and Polydora spp. in variable salinity infralittoral mixed sediment A5.422 - Crepidula fornicata and Mediomastus fragilis in variable salinity infralittoral mixed sediment A5.43 - Infralittoral mixed sediments A5.431 - Crepidula fornicata with ascidians and anemones on infralittoral coarse mixed sediment A5.432 - Sabella pavonina with sponges and anemones on infralittoral mixed sediment A5.433 - Venerupis senegalensis , Amphipholis squamata and Apseudes latreilli in infralittoral mixed sediment A5.434 - Limaria hians beds in tide-swept sublittoral muddy mixed sediment A5.435 - Ostrea edulis beds on shallow sublittoral muddy mixed sediment A5.44 - Circalittoral mixed sediments A5.441 - Cerianthus lloydii and other burrowing anemones in circalittoral muddy mixed sediment A5.4411 - Cerianthus lloydii with Nemertesia spp. and other hydroids in circalittoral muddy mixed sediment A5.442 - Sparse Modiolus modiolus , dense Cerianthus lloydii and burrowing holothurians on sheltered circalittoral stones and mixed sediment A5.443 - Mysella bidentata and Thyasira spp. in circalittoral muddy mixed sediment A5.444 - Flustra foliacea and Hydrallmania falcata on tide-swept circalittoral mixed sediment A5.445 - Ophiothrix fragilis and/or Ophiocomina nigra brittlestar beds on sublittoral mixed sediment A5.45 - Deep circalittoral mixed sediments A5.451 - Polychaete-rich deep Venus community in offshore mixed sediments A5.5 - Sublittoral macrophyte-dominated sediment A5.51 - Maerl beds A5.511 - Phymatolithon calcareum maerl beds in infralittoral clean gravel or coarse sand A5.5111 - Phymatolithon calcareum maerl beds with red seaweeds in shallow infralittoral clean gravel or coarse sand A5.5112 - Phymatolithon calcareum maerl beds with Neopentadactyla mixta and other echinoderms in deeper infralittoral clean gravel or coarse sand A5.512 - Lithothamnion glaciale maerl beds in tide-swept variable salinity infralittoral gravel A5.513 - Lithothamnion corallioides maerl beds on infralittoral muddy gravel A5.514 - Lithophyllum fasciculatum maerl beds on infralittoral mud A5.52 - Kelp and seaweed communities on sublittoral sediment A5.521 - Laminaria saccharina and red seaweeds on infralittoral sediments A5.5211 - Red seaweeds and kelps on tide-swept mobile infralittoral cobbles and pebbles A5.5212 - Laminaria saccharina and robust red algae on infralittoral gravel and pebble A5.5213 - Laminaria saccharina and filamentous red algae on infralittoral sand A5.5214 - Laminaria saccharina with red and brown seaweeds on lower infralittoral muddy mixed sediment A5.522 - Laminaria saccharina and Chorda filum on sheltered upper infralittoral muddy sediment A5.523 - Laminaria saccharina with Psammechinus miliaris and/or Modiolus modiolus on variable salinity infralittoral sediment A5.524 - Laminaria saccharina , Gracilaria gracilis and brown seaweeds on full salinity infralittoral sediment A5.525 - Laminaria saccharina and Gracilaria gracilis with sponges and ascidians on variable salinity infralittoral sediment A5.526 - Mats of Trailliella on infralittoral muddy gravel A5.527 - Loose-lying mats of Phyllophora crispa on infralittoral muddy sediment A5.528 - Filamentous green seaweeds on low salinity infralittoral mixed sediment or rock A5.53 - Sublittoral seagrass beds A5.533 - Zostera beds in full salinity infralittoral sediments A5.5331 - Zostera marina /angustifolia beds on lower shore or infralittoral clean or muddy sand A5.534 - Ruppia and Zannichellia communities A5.5343 - Ruppia maritima in reduced salinity infralittoral muddy sand A5.54 - Angiosperm communities in reduced salinity A5.541 - Vegetation of brackish waters dominated by Phragmites australis A5.542 - Association with Potamogeton pectinatus A5.545 - Zostera beds in reduced salinity infralittoral sediments A5.6 - Sublittoral biogenic reefs A5.61 - Sublittoral polychaete worm reefs on sediment A5.611 - Sabellaria spinulosa on stable circalittoral mixed sediment A5.612 - Sabellaria alveolata on variable salinity sublittoral mixed sediment A5.613 - Serpula vermicularis reefs on very sheltered circalittoral muddy sand A5.62 - Sublittoral mussel beds on sediment A5.621 - Modiolus modiolus beds with hydroids and red seaweeds on tide-swept circalittoral mixed substrata A5.622 - Modiolus modiolus beds on open coast circalittoral mixed sediment A5.623 - Modiolus modiolus beds with fine hydroids and large solitary ascidians on very sheltered circalittoral mixed substrata A5.624 - Modiolus modiolus beds with Chlamys varia , sponges, hydroids and bryozoans on slightly tide-swept very sheltered circalittoral mixed substrata A5.625 - Mytilus edulis beds on sublittoral sediment A5.63 - Circalittoral coral reefs A5.631 - Circalittoral Lophelia pertusa reefs A5.7 - Features of sublittoral sediments A5.71 - Seeps and vents in sublittoral sediments A5.712 - Bubbling reefs in the aphotic zone A5.714 - Methane seeps in sublittoral sediments A5.72 - Organically-enriched or anoxic sublittoral habitats A5.721 - Periodically and permanently anoxic sublittoral muds A5.7211 - Beggiatoa spp. on anoxic sublittoral mud A6 - Deep-sea bed A6.1 - Deep-sea rock and artificial hard substrata A6.11 - Deep-sea bedrock A6.12 - Deep-sea artificial hard substrata A6.14 - Boulders on the deep-sea bed A6.2 - Deep-sea mixed substrata A6.3 - Deep-sea sand A6.4 - Deep-sea muddy sand A6.5 - Deep-sea mud A6.52 - Communities of abyssal muds A6.6 - Deep-sea bioherms A6.61 - Communities of deep-sea corals A6.611 - Deep-sea Lophelia pertusa reefs A6.62 - Deep-sea sponge aggregations A6.621 - Facies with Pheronema grayi A6.7 - Raised features of the deep-sea bed A6.71 - Permanently submerged flanks of oceanic islands A6.72 - Seamounts, knolls and banks A6.73 - Oceanic ridges A6.75 - Carbonate mounds A6.8 - Deep-sea trenches and canyons, channels, slope failures and slumps on the continental slope A6.81 - Canyons, channels, slope failures and slumps on the continental slope A6.82 - Deep-sea trenches A6.9 - Vents, seeps, hypoxic and anoxic habitats of the deep sea B3.1 - Supralittoral rock (lichen or splash zone) B3.11 - Lichens or small green algae on supralittoral and littoral fringe rock B3.111 - Yellow and grey lichens on supralittoral rock B3.112 - Prasiola stipitata on nitrate-enriched supralittoral or littoral fringe rock B3.113 - Verrucaria maura on littoral fringe rock B3.1131 - Verrucaria maura and sparse barnacles on exposed littoral fringe rock B3.1132 - Verrucaria maura on very exposed to very sheltered upper littoral fringe rock B3.114 - Blidingia spp. on vertical littoral fringe chalk B3.115 - Ulothrix flacca and Urospora spp. on freshwater-influenced vertical littoral fringe soft rock C3.44 - Eleocharis parvula and Eleocharis acicularis beds of inland saline and brackish waters
EUNIS 2007[Required field] select EUNIS 2007 code A - Marine habitats A1 - Littoral rock and other hard substrata A1.1 - High energy littoral rock A1.11 - Mussel and/or barnacle communities A1.111 - Mytilus edulis and barnacles on very exposed eulittoral rock A1.112 - Chthamalus spp. on exposed upper eulittoral rock A1.1121 - Chthamalus montagui and Chthamalus stellatus on exposed upper eulittoral rock A1.1122 - Chthamalus spp. and Lichina pygmaea on steep exposed upper eulittoral rock A1.113 - Semibalanus balanoides on exposed to moderately exposed or vertical sheltered eulittoral rock A1.1131 - Semibalanus balanoides , Patella vulgata and Littorina spp. on exposed to moderately exposed or vertical sheltered eulittoral rock A1.1132 - Semibalanus balanoides , Fucus vesiculosus and red seaweeds on exposed to moderately exposed eulittoral rock A1.1133 - Semibalanus balanoides and Littorina spp. on exposed to moderately exposed eulittoral boulders and cobbles A1.12 - Robust fucoid and/or red seaweed communities A1.121 - Fucus distichus and Fucus spiralis f. nana on extremely exposed upper eulittoral rock A1.122 - Corallina officinalis on exposed to moderately exposed lower eulittoral rock A1.1221 - Corallina officinalis and Mastocarpus stellatus on exposed to moderately exposed lower eulittoral rock A1.1222 - Corallina officinalis , Himanthalia elongata and Patella ulyssiponensis on very exposed lower eulittoral rock A1.123 - Himanthalia elongata and red seaweeds on exposed lower eulittoral rock A1.124 - Palmaria palmata on very exposed to moderately exposed lower eulittoral rock A1.125 - Mastocarpus stellatus and Chondrus crispus on very exposed to moderately exposed lower eulittoral rock A1.126 - Osmundea pinnatifida on moderately exposed mid eulittoral rock A1.127 - Ceramium sp. and piddocks on eulittoral fossilised peat A1.14 - Mediterranean communities of lower mediolittoral rock very exposed to wave action A1.15 - Fucoids in tide-swept conditions A1.151 - Ascophyllum nodosum , sponges and ascidians on tide-swept mid eulittoral rock A1.152 - Fucus serratus , sponges and ascidians on tide-swept lower eulittoral rock A1.153 - Fucus serratus with sponges, ascidians and red seaweeds on tide-swept lower eulittoral mixed substrata A1.2 - Moderate energy littoral rock A1.21 - Barnacles and fucoids on moderately exposed shores A1.211 - Pelvetia canaliculata and barnacles on moderately exposed littoral fringe rock A1.212 - Fucus spiralis on full salinity exposed to moderately exposed upper eulittoral rock A1.213 - Fucus vesiculosus and barnacle mosaics on moderately exposed mid eulittoral rock A1.214 - Fucus serratus on moderately exposed lower eulittoral rock A1.2141 - Fucus serratus and red seaweeds on moderately exposed lower eulittoral rock A1.2142 - Fucus serratus and under-boulder fauna on exposed to moderately exposed lower eulittoral boulders A1.2143 - Fucus serratus and piddocks on lower eulittoral soft rock A1.215 - Rhodothamniella floridula on sand-scoured lower eulittoral rock A1.22 - Mussels and fucoids on moderately exposed shores A1.221 - Mytilus edulis and Fucus vesiculosus on moderately exposed mid eulittoral rock A1.222 - Mytilus edulis , Fucus serratus and red seaweeds on moderately exposed lower eulittoral rock A1.223 - Mytilus edulis and piddocks on eulittoral firm clay A1.3 - Low energy littoral rock A1.31 - Fucoids on sheltered marine shores A1.311 - Pelvetia canaliculata on sheltered littoral fringe rock A1.312 - Fucus spiralis on sheltered upper eulittoral rock A1.3121 - Fucus spiralis on full salinity sheltered upper eulittoral rock A1.3122 - Fucus spiralis on full salinity upper eulittoral mixed substrata A1.313 - Fucus vesiculosus on moderately exposed to sheltered mid eulittoral rock A1.3131 - Fucus vesiculosus on full salinity moderately exposed to sheltered mid eulittoral rock A1.3132 - Fucus vesiculosus on mid eulittoral mixed substrata A1.314 - Ascophyllum nodosum on very sheltered mid eulittoral rock A1.3141 - Ascophyllum nodosum on full salinity mid eulittoral rock A1.3142 - Ascophyllum nodosum on full salinity mid eulittoral mixed substrata A1.315 - Fucus serratus on sheltered lower eulittoral rock A1.3151 - Fucus serratus on full salinity sheltered lower eulittoral rock A1.3152 - Fucus serratus on full salinity lower eulittoral mixed substrata A1.32 - Fucoids in variable salinity A1.321 - Pelvetia canaliculata on sheltered variable salinity littoral fringe rock A1.322 - Fucus spiralis on sheltered variable salinity upper eulittoral rock A1.323 - Fucus vesiculosus on variable salinity mid eulittoral boulders and stable mixed substrata A1.324 - Ascophyllum nodosum and Fucus vesiculosus on variable salinity mid eulittoral rock A1.325 - Ascophyllum nodosum ecad. mackaii beds on extremely sheltered mid eulittoral mixed substrata A1.326 - Fucus serratus and large Mytilus edulis on variable salinity lower eulittoral rock A1.327 - Fucus ceranoides on reduced salinity eulittoral rock A1.4 - Features of littoral rock A1.41 - Communities of littoral rockpools A1.411 - Coralline crust-dominated shallow eulittoral rockpools A1.4111 - Coralline crusts and Corallina officinalis in shallow eulittoral rockpools A1.4112 - Coralline crusts and Paracentrotus lividus in shallow eulittoral rockpools A1.4113 - Bifurcaria bifurcata in shallow eulittoral rockpools A1.4114 - Cystoseira spp. in eulittoral rockpools A1.412 - Fucoids and kelp in deep eulittoral rockpools A1.4121 - Sargassum muticum in eulittoral rockpools A1.413 - Seaweeds in sediment-floored eulittoral rockpools A1.414 - Hydroids, ephemeral seaweeds and Littorina littorea in shallow eulittoral mixed substrata pools A1.42 - Communities of rockpools in the supralittoral zone A1.421 - Green seaweeds (Enteromorpha spp. and Cladophora spp.) in shallow upper shore rockpools A1.44 - Communities of littoral caves and overhangs A1.441 - Chrysophyceae and Haptophyceae on vertical upper littoral fringe soft rock A1.442 - Green algal films on upper and mid-shore cave walls and ceilings A1.443 - Audouinella purpurea and Pilinia maritima crusts on upper and mid-shore cave walls and ceilings A1.444 - Audouinella purpurea and Cladophora rupestris on upper to mid-shore cave walls A1.445 - Verrucaria mucosa and/or Hildenbrandia rubra on upper to mid shore cave walls A1.446 - Sponges and shade-tolerant red seaweeds on overhanging lower eulittoral bedrock and in cave entrances A1.4461 - Sponges, shade-tolerant red seaweeds and Dendrodoa grossularia on wave-surged overhanging lower eulittoral bedrock and caves A1.447 - Sponges, bryozoans and ascidians on deeply overhanging lower shore bedrock or caves A1.448 - Faunal crusts on wave-surged littoral cave walls A1.449 - Sparse fauna (barnacles and spirorbids) on sand/pebble-scoured rock in littoral caves A1.44A - Barren and/or boulder-scoured littoral cave walls and floors A1.45 - Ephemeral green or red seaweeds (freshwater or sand-influenced) on non-mobile substrata A1.451 - Enteromorpha spp. on freshwater-influenced and/or unstable upper eulittoral rock A1.452 - Porphyra purpurea or Enteromorpha spp. on sand-scoured mid or lower eulittoral rock A2 - Littoral sediment A2.1 - Littoral coarse sediment A2.11 - Shingle (pebble) and gravel shores A2.111 - Barren littoral shingle A2.112 - Pectenogammarus planicrurus in mid shore well-sorted gravel or coarse sand A2.2 - Littoral sand and muddy sand A2.21 - Strandline A2.211 - Talitrids on the upper shore and strandline A2.212 - Mytilus edulis and Fabricia sabella in littoral mixed sediment A2.22 - Barren or amphipod-dominated mobile sand shores A2.221 - Barren littoral coarse sand A2.222 - Oligochaetes in littoral mobile sand A2.2221 - Oligochaetes in full salinity littoral mobile sand A2.2222 - Oligochaetes in variable salinity littoral mobile sand A2.223 - Amphipods and Scolelepis spp. in littoral medium-fine sand A2.2231 - Scolelepis spp. in littoral mobile sand A2.2232 - Eurydice pulchra in littoral mobile sand A2.2233 - Pontocrates arenarius in littoral mobile sand A2.23 - Polychaete/amphipod-dominated fine sand shores A2.231 - Polychaetes in littoral fine sand A2.2311 - Polychaetes, including Paraonis fulgens , in littoral fine sand A2.2312 - Polychaetes and Angulus tenuis in littoral fine sand A2.2313 - Nephtys cirrosa -dominated littoral fine sand A2.24 - Polychaete/bivalve-dominated muddy sand shores A2.241 - Macoma balthica and Arenicola marina in muddy sand shores A2.242 - Cerastoderma edule and polychaetes in littoral muddy sand A2.243 - Hediste diversicolor , Macoma balthica and Eteone longa in littoral muddy sand A2.244 - Bathyporeia pilosa and Corophium arenarium in littoral muddy sand A2.245 - Lanice conchilega in littoral sand A2.3 - Littoral mud A2.31 - Polychaete/bivalve-dominated mid estuarine mud shores A2.311 - Nephtys hombergii , Macoma balthica and Streblospio shrubsolii in littoral sandy mud A2.312 - Hediste diversicolor and Macoma balthica in littoral sandy mud A2.313 - Hediste diversicolor , Macoma balthica and Scrobicularia plana in littoral sandy mud A2.32 - Polychaete/oligochaete-dominated upper estuarine mud shores A2.321 - Nephtys hombergii and Streblospio shrubsolii in littoral mud A2.322 - Hediste diversicolor in littoral mud A2.3221 - Hediste diversicolor and Streblospio shrubsolii in littoral sandy mud A2.3222 - Hediste diversicolor and Corophium volutator in littoral mud A2.3223 - Hediste diversicolor and oligochaetes in littoral mud A2.323 - Tubificoides benedii and other oligochaetes in littoral mud A2.324 - Saltmarsh pools A2.325 - Saltmarsh creeks A2.3251 - Erosion faces with Carcinus maenas A2.4 - Littoral mixed sediments A2.41 - Hediste diversicolor dominated gravelly sandy mud shores A2.411 - Hediste diversicolor in littoral gravelly muddy sand and gravelly sandy mud A2.4111 - Hediste diversicolor and Macoma balthica in littoral gravelly mud A2.4112 - Hediste diversicolor and Scrobicularia plana in littoral gravelly mud A2.4113 - Hediste diversicolor and Streblospio shrubsolii in littoral gravelly sandy mud A2.4114 - Hediste diversicolor , cirratulids and Tubificoides spp. in littoral gravelly sandy mud A2.4115 - Hediste diversicolor and Corophium volutator in littoral gravelly sandy mud A2.42 - Species-rich mixed sediment shores A2.421 - Cirratulids and Cerastoderma edule in littoral mixed sediment A2.43 - Species-poor mixed sediment shores A2.431 - Barnacles and Littorina spp. on unstable eulittoral mixed substrata A2.5 - Coastal saltmarshes and saline reedbeds A2.51 - Saltmarsh driftlines A2.511 - Atlantic saltmarsh and drift rough grass communities A2.514 - Elymus pycnanthus with Suaeda vera or Inula crithmoides saltmarsh driftlines A2.515 - Elymus repens saltmarsh driftlines A2.516 - Suaeda vera saltmarsh driftlines A2.517 - Suaeda vera - Limonium binervosum saltmarsh driftlines A2.518 - Spergularia marina - Puccinellia distans saltmarsh driftlines A2.519 - Frankenia laevis - Halimione portulacoides saltmarsh driftlines A2.51A - Inula crithmoides on saltmarshes A2.51B - Sagina maritima ephemeral salt marsh in sand A2.52 - Upper saltmarshes A2.521 - Atlantic and Baltic brackish saltmarsh communities A2.527 - Atlantic salt scrubs A2.527 - Atlantic salt scrubs A2.527 - Atlantic salt scrubs A2.53 - Mid-upper saltmarshes and saline and brackish reed, rush and sedge beds A2.531 - Atlantic upper shore communities A2.531 - Atlantic upper shore communities A2.531 - Atlantic upper shore communities A2.531 - Atlantic upper shore communities A2.531 - Atlantic upper shore communities A2.531 - Atlantic upper shore communities A2.531 - Atlantic upper shore communities A2.531 - Atlantic upper shore communities A2.535 - Juncus maritimus mid-upper saltmarshes A2.536 - Juncus maritimus mid-upper saltmarshes with Triglochin maritima A2.537 - Eleocharis uniglumis mid-upper saltmarshes A2.538 - Blysmus rufus mid-upper saltmarshes A2.539 - Mid-upper saltmarshes: Artemisia maritima with Festuca rubra , or open canopy of Artemisia maritima and Halimione A2.53A - Festuca rubra mid-upper saltmarshes A2.53B - Mid-upper saltmarshes: sub-communities of Festuca rubra with Agrostis stolonifera , Juncus gerardi , Puccinellia maritima , Glaux maritima , Triglochin maritima , Armeria maritima and Plantago maritima A2.54 - Low-mid saltmarshes A2.541 - Atlantic saltmarsh grass lawns A2.542 - Atlantic lower shore communities A2.542 - Atlantic lower shore communities A2.542 - Atlantic lower shore communities A2.542 - Atlantic lower shore communities A2.545 - Halimione portulacoides low-mid saltmarshes A2.548 - Annual Salicornia , Suaeda and Puccinellia maritima low-mid saltmarshes A2.55 - Pioneer saltmarshes A2.551 - Salicornia , Suaeda and Salsola pioneer saltmarshes A2.551 - Salicornia , Suaeda and Salsola pioneer saltmarshes A2.5512 - Suaeda maritima pioneer saltmarshes A2.5513 - Salicornia spp. pioneer saltmarshes A2.553 - Atlantic Sagina maritima communities A2.554 - Flat-leaved Spartina swards A2.554 - Flat-leaved Spartina swards A2.554 - Flat-leaved Spartina swards A2.5541 - Spartina anglica pioneer saltmarshes A2.5542 - Spartina alterniflora with Spartina anglica , Puccinellia maritima and Aster tripolium A2.5543 - Spartina maritima pioneer saltmarshes A2.556 - Rayed Aster tripolium pioneer saltmarshes A2.557 - Aster tripolium var. discoides pioneer saltmarshes A2.558 - Arthrocnemum perenne pioneer saltmarshes, sometimes with Halimione , Puccinellia and Suaeda A2.6 - Littoral sediments dominated by aquatic angiosperms A2.61 - Seagrass beds on littoral sediments A2.6111 - Zostera noltii beds in littoral muddy sand A2.7 - Littoral biogenic reefs A2.71 - Littoral Sabellaria reefs A2.711 - Sabellaria alveolata reefs on sand-abraded eulittoral rock A2.72 - Littoral mussel beds on sediment A2.721 - Mytilus edulis beds on littoral sediments A2.7211 - Mytilus edulis beds on littoral mixed substrata A2.7212 - Mytilus edulis beds on littoral sand A2.7213 - Mytilus edulis beds on littoral mud A2.8 - Features of littoral sediment A2.82 - Ephemeral green or red seaweeds (freshwater or sand-influenced) on mobile substrata A2.821 - Ephemeral green and red seaweeds on variable salinity and/or disturbed eulittoral mixed substrata A3 - Infralittoral rock and other hard substrata A3.1 - Atlantic and Mediterranean high energy infralittoral rock A3.11 - Kelp with cushion fauna and/or foliose red seaweeds A3.111 - Alaria esculenta on exposed sublittoral fringe bedrock A3.1111 - Alaria esculenta , Mytilus edulis and coralline crusts on very exposed sublittoral fringe bedrock A3.1112 - Alaria esculenta and Laminaria digitata on exposed sublittoral fringe bedrock A3.112 - Alaria esculenta forest with dense anemones and crustose sponges on extremely exposed infralittoral bedrock A3.113 - Laminaria hyperborea forest with a faunal cushion (sponges and polyclinids) and foliose red seaweeds on very exposed infralittoral rock A3.114 - Sparse Laminaria hyperborea and dense Paracentrotus lividus on exposed infralittoral limestone A3.115 - Laminaria hyperborea with dense foliose red seaweeds on exposed infralittoral rock A3.1151 - Laminaria hyperborea forest with dense foliose red seaweeds on exposed upper infralittoral rock A3.1152 - Laminaria hyperborea park with dense foliose red seaweeds on exposed lower infralittoral rock A3.1153 - Mixed Laminaria hyperborea and Laminaria ochroleuca forest on exposed infralittoral rock A3.116 - Foliose red seaweeds on exposed lower infralittoral rock A3.1161 - Foliose red seaweeds with dense Dictyota dichotoma and/or Dictyopteris membranacea on exposed lower infralittoral rock A3.117 - Laminaria hyperborea and red seaweeds on exposed vertical rock A3.12 - Sediment-affected or disturbed kelp and seaweed communities A3.121 - Saccorhiza polyschides and other opportunistic kelps on disturbed upper infralittoral rock A3.122 - Laminaria saccharina and/or Saccorhiza polyschides on exposed infralittoral rock A3.123 - Laminaria saccharina , Chorda filum and dense red seaweeds on shallow unstable infralittoral boulders and cobbles A3.124 - Dense Desmarestia spp. with filamentous red seaweeds on exposed infralittoral cobbles, pebbles and bedrock A3.125 - Mixed kelps with scour-tolerant and opportunistic foliose red seaweeds on scoured or sand-covered infralittoral rock A3.126 - Halidrys siliquosa and mixed kelps on tide-swept infralittoral rock with coarse sediment A3.127 - Polyides rotundus , Ahnfeltia plicata and Chondrus crispus on sand-covered infralittoral rock A3.2 - Atlantic and Mediterranean moderate energy infralittoral rock A3.21 - Kelp and red seaweeds (moderate energy infralittoral rock) A3.211 - Laminaria digitata on moderately exposed sublittoral fringe rock A3.2111 - Laminaria digitata on moderately exposed sublittoral fringe bedrock A3.2112 - Laminaria digitata and under-boulder fauna on sublittoral fringe boulders A3.2113 - Laminaria digitata and piddocks on sublittoral fringe soft rock A3.212 - Laminaria hyperborea on tide-swept, infralittoral rock A3.2121 - Laminaria hyperborea forest, foliose red seaweeds and a diverse fauna on tide-swept upper infralittoral rock A3.2122 - Laminaria hyperborea park with hydroids, bryozoans and sponges on tide-swept lower infralittoral rock A3.213 - Laminaria hyperborea on tide-swept infralittoral mixed substrata A3.213 - Laminaria hyperborea on tide-swept infralittoral mixed substrata A3.2131 - Laminaria hyperborea forest and foliose red seaweeds on tide-swept upper infralittoral mixed substrata A3.2132 - Laminaria hyperborea park and foliose red seaweeds on tide-swept lower infralittoral mixed substrata A3.214 - Laminaria hyperborea and foliose red seaweeds on moderately exposed infralittoral rock A3.2141 - Laminaria hyperborea forest and foliose red seaweeds on moderately exposed upper infralittoral rock A3.2142 - Laminaria hyperborea park and foliose red seaweeds on moderately exposed lower infralittoral rock A3.2143 - Grazed Laminaria hyperborea forest with coralline crusts on upper infralittoral rock A3.2144 - Grazed Laminaria hyperborea park with coralline crusts on lower infralittoral rock A3.2145 - Sabellaria spinulosa with kelp and red seaweeds on sand-influenced infralittoral rock A3.215 - Dense foliose red seaweeds on silty moderately exposed infralittoral rock A3.216 - Laminaria hyperborea on moderately exposed vertical rock A3.217 - Hiatella arctica and seaweeds on vertical limestone / chalk A3.22 - Kelp and seaweed communities in tide-swept sheltered conditions A3.221 - Laminaria digitata , ascidians and bryozoans on tide-swept sublittoral fringe rock A3.222 - Mixed kelp with foliose red seaweeds, sponges and ascidians on sheltered tide-swept infralittoral rock A3.223 - Mixed kelp and red seaweeds on infralittoral boulders, cobbles and gravel in tidal rapids A3.224 - Laminaria saccharina with foliose red seaweeds and ascidians on sheltered tide-swept infralittoral rock A3.225 - Filamentous red seaweeds, sponges and Balanus crenatus on tide-swept variable-salinity infralittoral rock A3.247 - Ostrea edulis beds on shallow sublittoral muddy mixed sediment A3.3 - Atlantic and Mediterranean low energy infralittoral rock A3.31 - Silted kelp on low energy infralittoral rock with full salinity A3.311 - Mixed Laminaria hyperborea and Laminaria ochroleuca forest on moderately exposed or sheltered infralittoral rock A3.312 - Mixed Laminaria hyperborea and Laminaria saccharina on sheltered infralittoral rock A3.3121 - Mixed Laminaria hyperborea and Laminaria saccharina forest on sheltered upper infralittoral rock A3.3122 - Mixed Laminaria hyperborea and Laminaria saccharina park on sheltered lower infralittoral rock A3.3123 - Grazed, mixed Laminaria hyperborea and Laminaria saccharina on sheltered infralittoral rock A3.313 - Laminaria saccharina on very sheltered infralittoral rock A3.3131 - Laminaria saccharina and Laminaria digitata on sheltered sublittoral fringe rock A3.3132 - Laminaria saccharina forest on very sheltered upper infralittoral rock A3.3133 - Laminaria saccharina park on very sheltered lower infralittoral rock A3.3134 - Grazed Laminaria saccharina with Echinus , brittlestars and coralline crusts on sheltered infralittoral rock A3.314 - Silted cape-form Laminaria hyperborea on very sheltered infralittoral rock A3.315 - Sargassum muticum on shallow slightly tide-swept infralittoral mixed substrata A3.32 - Kelp in variable salinity on low energy infralittoral rock A3.321 - Codium spp. with red seaweeds and sparse Laminaria saccharina on shallow, heavily-silted, very sheltered infralittoral rock A3.322 - Laminaria saccharina and Psammechinus miliaris on variable salinity grazed infralittoral rock A3.323 - Laminaria saccharina with Phyllophora spp. and filamentous green seaweeds on variable or reduced salinity infralittoral rock A3.34 - Submerged fucoids, green or red seaweeds (low salinity infralittoral rock) A3.341 - Mixed fucoids, Chorda filum and green seaweeds on reduced salinity infralittoral rock A3.342 - Ascophyllum nodosum and epiphytic sponges and ascidians on variable salinity infralittoral rock A3.343 - Polyides rotundus and/or Furcellaria lumbricalis on reduced salinity infralittoral rock A3.344 - Fucus ceranoides and Enteromorpha spp. on low salinity infralittoral rock A3.36 - Faunal communities on variable or reduced salinity infralittoral rock A3.361 - Mytilus edulis beds on reduced salinity infralittoral rock A3.362 - Cordylophora caspia and Electra crustulenta on reduced salinity infralittoral rock A3.363 - Hartlaubella gelatinosa and Conopeum reticulum on low salinity infralittoral mixed substrata A3.7 - Features of infralittoral rock A3.71 - Robust faunal cushions and crusts in surge gullies and caves A3.711 - Foliose seaweeds and coralline crusts in surge gully entrances A3.712 - Anemones, including Corynactis viridis, crustose sponges and colonial ascidians on very exposed or wave surged vertical infralittoral rock A3.713 - Crustose sponges and colonial ascidians with Dendrodoa grossularia or barnacles on wave-surged infralittoral rock A3.714 - Dendrodoa grossularia and Clathrina coriacea on wave-surged vertical infralittoral rock A3.715 - Crustose sponges on extremely wave-surged infralittoral cave or gully walls A3.716 - Coralline crusts in surge gullies and scoured infralittoral rock A3.7161 - Balanus crenatus and/or Pomatoceros triqueter with spirorbid worms and coralline crusts on severely scoured vertical infralittoral rock A3.7162 - Coralline crusts and crustaceans on mobile boulders or cobbles in surge gullies A3.72 - Infralittoral fouling seaweed communities A3.A4 - Infralittoral rock and other hard substrata/Circalittoral A4 - Circalittoral rock and other hard substrata A4.1 - Atlantic and Mediterranean high energy circalittoral rock A4.11 - Very tide-swept faunal communities on circalittoral rock A4.111 - Balanus crenatus and Tubularia indivisa on extremely tide-swept circalittoral rock A4.112 - Tubularia indivisa on tide-swept circalittoral rock A4.1121 - Tubularia indivisa and cushion sponges on tide-swept turbid circalittoral bedrock A4.1122 - Alcyonium digitatum with dense Tubularia indivisa and anemones on strongly tide-swept circalittoral rock A4.12 - Sponge communities on deep circalittoral rock A4.121 - Phakellia ventilabrum and axinellid sponges on deep, wave-exposed circalittoral rock A4.13 - Mixed faunal turf communities on circalittoral rock A4.131 - Bryozoan turf and erect sponges on tide-swept circalittoral rock A4.131, - Subtidal rock with Ross 'coral' Pentapora foliacea A4.1311 - Eunicella verrucosa and Pentapora foliacea on wave-exposed circalittoral rock A4.1312 - Mixed turf of bryozoans and erect sponges with Dysidia fragilis and Actinothoe sphyrodeta on tide-swept wave-exposed circalittoral rock A4.1313 - Mixed turf of bryozoans and erect sponges with Sagartia elegans on tide-swept circalittoral rock A4.132 - Corynactis viridis and a mixed turf of crisiids, Bugula , Scrupocellaria , and Cellaria on moderately tide-swept exposed circalittoral rock A4.133 - Mixed turf of hydroids and large ascidians with Swiftia pallida and Caryophyllia smithii on weakly tide-swept circalittoral rock A4.134 - Flustra foliacea and colonial ascidians on tide-swept moderately wave-exposed circalittoral rock A4.1341 - Polyclinum aurantium and Flustra foliacea on sand-scoured tide-swept moderately wave-exposed circalittoral rock A4.1342 - Flustra foliacea , small solitary and colonial ascidians on tide-swept circalittoral bedrock or boulders A4.1343 - Flustra foliacea and colonial ascidians on tide-swept exposed circalittoral mixed substrata A4.135 - Sparse sponges, Nemertesia spp., and Alcyonidium diaphanum on circalittoral mixed substrata A4.136 - Suberites spp. with a mixed turf of crisiids and Bugula spp. on heavily silted moderately wave-exposed shallow circalittoral rock A4.137 - Flustra foliacea and Haliclona oculata with a rich faunal turf on tide-swept circalittoral mixed substrata A4.138 - Molgula manhattensis with a hydroid and bryozoan turf on tide-swept moderately wave-exposed circalittoral rock A4.139 - Sponges and anemones on vertical circalittoral bedrock A4.2 - Atlantic and Mediterranean moderate energy circalittoral rock A4.21 - Echinoderms and crustose communities on circalittoral rock A4.211 - Caryophyllia smithii and Swiftia pallida on circalittoral rock A4.2111 - Caryophyllia smithii , Swiftia pallida and Alcyonium glomeratum on wave-sheltered circalittoral rock A4.2112 - Caryophyllia smithii , Swiftia pallida and large solitary ascidians on exposed or moderately exposed circalittoral rock A4.212 - Caryophyllia smithii , sponges and crustose communities on wave-exposed circalittoral rock A4.2121 - Brittlestars overlying coralline crusts, Parasmittina trispinosa and Caryophyllia smithii on wave-exposed circalittoral rock A4.2122 - Caryophyllia smithii and sponges with Pentapora foliacea , Porella compressa and crustose communities on wave-exposed circalittoral rock A4.213 - Urticina felina and sand-tolerant fauna on sand-scoured or covered circalittoral rock A4.214 - Faunal and algal crusts on exposed to moderately wave-exposed circalittoral rock A4.2141 - Flustra foliacea on slightly scoured silty circalittoral rock A4.2142 - Alcyonium digitatum , Pomatoceros triqueter , algal and bryozoan crusts on wave-exposed circalittoral rock A4.2143 - Alcyonium digitatum with Securiflustra securifrons on tide-swept moderately wave-exposed circalittoral rock A4.2144 - Brittlestars on faunal and algal encrusted exposed to moderately wave-exposed circalittoral rock A4.2145 - Faunal and algal crusts with Pomatoceros triqueter and sparse Alcyonium digitatum on exposed to moderately wave-exposed circalittoral rock A4.2146 - Caryophyllia smithii with faunal and algal crusts on moderately wave-exposed circalittoral rock A4.215 - Alcyonium digitatum and faunal crust communities on vertical circalittoral bedrock A4.22 - Sabellaria reefs on circalittoral rock A4.221 - Sabellaria spinulosa encrusted circalittoral rock A4.2211 - Sabellaria spinulosa with a bryozoan turf and barnacles on silty turbid circalittoral rock A4.2212 - Sabellaria spinulosa , didemnid and small ascidians on tide-swept moderately wave-exposed circalittoral rock A4.23 - Communities on soft circalittoral rock A4.231 - Piddocks with a sparse associated fauna in sublittoral very soft chalk or clay A4.232 - Polydora sp. tubes on moderately exposed sublittoral soft rock A4.233 - Hiatella -bored vertical sublittoral limestone rock A4.24 - Mussel beds on circalittoral rock A4.241 - Mytilus edulis beds with hydroids and ascidians on tide-swept exposed to moderately wave-exposed circalittoral rock A4.242 - Musculus discors beds on moderately exposed circalittoral rock A4.25 - Circalittoral faunal communities in variable salinity A4.251 - Cushion sponges and hydroids on turbid tide-swept sheltered circalittoral rock A4.2511 - Cushion sponges, hydroids and ascidians on turbid tide-swept sheltered circalittoral rock A4.2512 - Cushion sponges and hydroids on turbid tide-swept variable salinity sheltered circalittoral rock A4.252 - Halichondria bowerbanki , Eudendrium arbusculum and Eucratea loricata on reduced salinity tide-swept circalittoral mixed substrata A4.27 - Faunal communities on deep moderate energy circalittoral rock A4.3 - Atlantic and Mediterranean low energy circalittoral rock A4.31 - Brachiopod and ascidian communities on circalittoral rock A4.311 - Solitary ascidians, including Ascidia mentula and Ciona intestinalis , on wave-sheltered circalittoral rock A4.3111 - Solitary ascidians, including Ascidia mentula and Ciona intestinalis , with Antedon spp. on wave-sheltered circalittoral rock A4.3112 - Dense brittlestars with sparse Ascidia mentula and Ciona intestinalis on sheltered circalittoral mixed substrata A4.312 - Large solitary ascidians and erect sponges on wave-sheltered circalittoral rock A4.313 - Antedon spp., solitary ascidians and fine hydroids on sheltered circalittoral rock A4.314 - Neocrania anomala and Protanthea simplex on sheltered circalittoral rock A4.3141 - Neocrania anomala and Protanthea simplex on very wave-sheltered circalittoral rock A4.3142 - Neocrania anomala , Dendrodoa grossularia and Sarcodictyon roseum on variable salinity circalittoral rock A4.33 - Faunal communities on deep low energy circalittoral rock A4.7 - Features of circalittoral rock A4.71 - Communities of circalittoral caves and overhangs A4.711 - Sponges, cup corals and anthozoans on shaded or overhanging circalittoral rock A4.72 - Circalittoral fouling faunal communities A4.721 - Alcyonium digitatum and Metridium senile on moderately wave-exposed circalittoral steel wrecks A4.722 - Ascidiella aspersa on circalittoral artificial substrata A5 - Sublittoral sediment A5.1 - Sublittoral coarse sediment A5.12 - Sublittoral coarse sediment in variable salinity (estuaries) A5.13 - Infralittoral coarse sediment A5.131 - Sparse fauna on highly mobile sublittoral shingle (cobbles and pebbles) A5.132 - Halcampa chrysanthellum and Edwardsia timida on sublittoral clean stone gravel A5.133 - Moerella spp. with venerid bivalves in infralittoral gravelly sand A5.134 - Hesionura elongata and Microphthalmus similis with other interstitial polychaetes in infralittoral mobile coarse sand A5.135 - Glycera lapidum in impoverished infralittoral mobile gravel and sand A5.136 - Cumaceans and Chaetozone setosa in infralittoral gravelly sand A5.137 - Dense Lanice conchilega and other polychaetes in tide-swept infralittoral sand and mixed gravelly sand A5.14 - Circalittoral coarse sediment A5.141 - Pomatoceros triqueter with barnacles and bryozoan crusts on unstable circalittoral cobbles and pebbles A5.142 - Mediomastus fragilis , Lumbrineris spp. and venerid bivalves in circalittoral coarse sand or gravel A5.143 - Protodorvillea kefersteini and other polychaetes in impoverished circalittoral mixed gravelly sand A5.144 - Neopentadactyla mixta in circalittoral shell gravel or coarse sand A5.145 - Branchiostoma lanceolatum in circalittoral coarse sand with shell gravel A5.15 - Deep circalittoral coarse sediment A5.151 - Glycera lapidum , Thyasira spp. and Amythasides macroglossus in offshore gravelly sand A5.152 - Hesionura elongata and Protodorvillea kefersteini in offshore coarse sand A5.2 - Sublittoral sand A5.21 - Sublittoral sand in low or reduced salinity A5.22 - Sublittoral sand in variable salinity (estuaries) A5.221 - Infralittoral mobile sand in variable salinity (estuaries) A5.222 - Nephtys cirrosa and Macoma balthica in variable salinity infralittoral mobile sand A5.223 - Neomysis integer and Gammarus spp. in fluctuating low salinity infralittoral mobile sand A5.23 - Infralittoral fine sand A5.231 - Infralittoral mobile clean sand with sparse fauna A5.232 - Sertularia cupressina and Hydrallmania falcata on tide-swept sublittoral sand with cobbles or pebbles A5.233 - Nephtys cirrosa and Bathyporeia spp. in infralittoral sand A5.234 - Semi-permanent tube-building amphipods and polychaetes in sublittoral sand A5.24 - Infralittoral muddy sand A5.241 - Echinocardium cordatum and Ensis spp. in lower shore and shallow sublittoral slightly muddy fine sand A5.242 - Fabulina fabula and Magelona mirabilis with venerid bivalves and amphipods in infralittoral compacted fine muddy sand A5.243 - Arenicola marina in infralittoral fine sand or muddy sand A5.244 - Spisula subtruncata and Nephtys hombergii in shallow muddy sand A5.25 - Circalittoral fine sand A5.251 - Echinocyamus pusillus , Ophelia borealis and Abra prismatica in circalittoral fine sand A5.252 - Abra prismatica , Bathyporeia elegans and polychaetes in circalittoral fine sand A5.26 - Circalittoral muddy sand A5.261 - Abra alba and Nucula nitidosa in circalittoral muddy sand or slightly mixed sediment A5.262 - Amphiura brachiata with Astropecten irregularis and other echinoderms in circalittoral muddy sand A5.27 - Deep circalittoral sand A5.271 - Maldanid polychaetes and Eudorellopsis deformis in deep circalittoral sand or muddy sand A5.272 - Owenia fusiformis and Amphiura filiformis in deep circalittoral sand or muddy sand A5.3 - Sublittoral mud A5.31 - Sublittoral mud in low or reduced salinity A5.32 - Sublittoral mud in variable salinity (estuaries) A5.321 - Polydora ciliata and Corophium volutator in variable salinity infralittoral firm mud or clay A5.322 - Aphelochaeta marioni and Tubificoides spp. in variable salinity infralittoral mud A5.323 - Nephtys hombergii and Tubificoides spp. in variable salinity infralittoral soft mud A5.324 - Infralittoral fluid mobile mud A5.325 - Capitella capitata and Tubificoides spp. in reduced salinity infralittoral muddy sediment A5.326 - Oligochaetes in variable or reduced salinity infralittoral muddy sediment A5.327 - Limnodrilus hoffmeisteri , Tubifex tubifex and Gammarus spp. in low salinity infralittoral muddy sediment A5.33 - Infralittoral sandy mud A5.331 - Nephtys hombergii and Macoma balthica in infralittoral sandy mud A5.332 - Sagartiogeton undatus and Ascidiella aspersa on infralittoral sandy mud A5.333 - Mysella bidentata and Abra spp. in infralittoral sandy mud A5.333 - Mysella bidentata and Abra spp. in infralittoral sandy mud A5.334 - Melinna palmata with Magelona spp. and Thyasira spp. in infralittoral sandy mud A5.334 - Melinna palmata with Magelona spp. and Thyasira spp. in infralittoral sandy mud A5.335 - Ampelisca spp., Photis longicaudata and other tube-building amphipods and polychaetes in infralittoral sandy mud A5.335 - Ampelisca spp., Photis longicaudata and other tube-building amphipods and polychaetes in infralittoral sandy mud A5.336 - Capitella capitata in enriched sublittoral muddy sediments A5.336 - Capitella capitata in enriched sublittoral muddy sediments A5.34 - Infralittoral fine mud A5.34 - Infralittoral fine mud A5.34 - Infralittoral fine mud A5.34 - Infralittoral fine mud A5.341 - Cerastoderma edule with Abra nitida in infralittoral mud A5.341 - Cerastoderma edule with Abra nitida in infralittoral mud A5.342 - Arenicola marina in infralittoral mud A5.342 - Arenicola marina in infralittoral mud A5.343 - Philine aperta and Virgularia mirabilis in soft stable infralittoral mud A5.343 - Philine aperta and Virgularia mirabilis in soft stable infralittoral mud A5.344 - Ocnus planci aggregations on sheltered sublittoral muddy sediment A5.344 - Ocnus planci aggregations on sheltered sublittoral muddy sediment A5.346 - Oligochaetes in mobile mud A5.35 - Circalittoral sandy mud A5.35 - Circalittoral sandy mud A5.35 - Circalittoral sandy mud A5.35 - Circalittoral sandy mud A5.351 - Amphiura filiformis , Mysella bidentata and Abra nitida in circalittoral sandy mud A5.351 - Amphiura filiformis , Mysella bidentata and Abra nitida in circalittoral sandy mud A5.352 - Thyasira spp. and Nuculoma tenuis in circalittoral sandy mud A5.352 - Thyasira spp. and Nuculoma tenuis in circalittoral sandy mud A5.353 - Amphiura filiformis and Nuculoma tenuis in circalittoral and offshore muddy sand A5.353 - Amphiura filiformis and Nuculoma tenuis in circalittoral and offshore muddy sand A5.354 - Virgularia mirabilis and Ophiura spp. with Pecten maximus on circalittoral sandy or shelly mud A5.354 - Virgularia mirabilis and Ophiura spp. with Pecten maximus on circalittoral sandy or shelly mud A5.3541 - Virgularia mirabilis and Ophiura spp. with Pecten maximus , hydroids and ascidians on circalittoral sandy or shelly mud with shells or stones A5.3541 - Virgularia mirabilis and Ophiura spp. with Pecten maximus , hydroids and ascidians on circalittoral sandy or shelly mud with shells or stones A5.355 - Lagis koreni and Phaxas pellucidus in circalittoral sandy mud A5.355 - Lagis koreni and Phaxas pellucidus in circalittoral sandy mud A5.36 - Circalittoral fine mud A5.36 - Circalittoral fine mud A5.36 - Circalittoral fine mud A5.36 - Circalittoral fine mud A5.361 - Seapens and burrowing megafauna in circalittoral fine mud A5.361 - Seapens and burrowing megafauna in circalittoral fine mud A5.3611 - Seapens, including Funiculina quadrangularis , and burrowing megafauna in undisturbed circalittoral fine mud A5.3611 - Seapens, including Funiculina quadrangularis , and burrowing megafauna in undisturbed circalittoral fine mud A5.362 - Burrowing megafauna and Maxmuelleria lankesteri in circalittoral mud A5.362 - Burrowing megafauna and Maxmuelleria lankesteri in circalittoral mud A5.363 - Brissopsis lyrifera and Amphiura chiajei in circalittoral mud A5.363 - Brissopsis lyrifera and Amphiura chiajei in circalittoral mud A5.364 - Silty sediments > 140 m with polychaetes Lumbrineris fragilis , Levinsenia gracilis and amphipods Eriopisa elongata A5.365 - Spiochaetopterus beneath high salinity Atlantic water A5.366 - Macoma calcarea in deep-water soft clayey mud A5.37 - Deep circalittoral mud A5.37 - Deep circalittoral mud A5.37 - Deep circalittoral mud A5.37 - Deep circalittoral mud A5.371 - Ampharete falcata turf with Parvicardium ovale on cohesive muddy sediment near margins of deep stratified seas A5.371 - Ampharete falcata turf with Parvicardium ovale on cohesive muddy sediment near margins of deep stratified seas A5.372 - Foraminiferans and Thyasira spp. in deep circalittoral soft mud A5.372 - Foraminiferans and Thyasira spp. in deep circalittoral soft mud A5.373 - Styela gelatinosa , Pseudamussium septemradiatum and solitary ascidians on sheltered deep circalittoral muddy sediment A5.373 - Styela gelatinosa , Pseudamussium septemradiatum and solitary ascidians on sheltered deep circalittoral muddy sediment A5.374 - Capitella capitata and Thyasira spp. in organically-enriched offshore circalittoral mud and sandy mud A5.374 - Capitella capitata and Thyasira spp. in organically-enriched offshore circalittoral mud and sandy mud A5.3741 - Capitella capitata , Thyasira spp. and Ophryotrocha dubia inorganically-enriched offshore circalittoral mud or sandy mud A5.3741 - Capitella capitata , Thyasira spp. and Ophryotrocha dubia inorganically-enriched offshore circalittoral mud or sandy mud A5.375 - Levinsenia gracilis and Heteromastus filifirmis in offshore circalittoral mud and sandy mud A5.375 - Levinsenia gracilis and Heteromastus filifirmis in offshore circalittoral mud and sandy mud A5.376 - Paramphinome jeffreysii , Thyasira spp. and Amphiura filiformis in offshore circalittoral sandy mud A5.376 - Paramphinome jeffreysii , Thyasira spp. and Amphiura filiformis in offshore circalittoral sandy mud A5.377 - Myrtea spinifera and polychaetes in offshore circalittoral sandy mud A5.377 - Myrtea spinifera and polychaetes in offshore circalittoral sandy mud A5.4 - Sublittoral mixed sediments A5.4 - Sublittoral mixed sediments A5.4 - Sublittoral mixed sediments A5.4 - Sublittoral mixed sediments A5.4 - Sublittoral mixed sediments A5.4 - Sublittoral mixed sediments A5.4 - Sublittoral mixed sediments A5.41 - Sublittoral mixed sediment in low or reduced salinity A5.41 - Sublittoral mixed sediment in low or reduced salinity A5.42 - Sublittoral mixed sediment in variable salinity (estuaries) A5.42 - Sublittoral mixed sediment in variable salinity (estuaries) A5.421 - Aphelochaeta spp. and Polydora spp. in variable salinity infralittoral mixed sediment A5.421 - Aphelochaeta spp. and Polydora spp. in variable salinity infralittoral mixed sediment A5.422 - Crepidula fornicata and Mediomastus fragilis in variable salinity infralittoral mixed sediment A5.422 - Crepidula fornicata and Mediomastus fragilis in variable salinity infralittoral mixed sediment A5.43 - Infralittoral mixed sediments A5.43 - Infralittoral mixed sediments A5.43 - Infralittoral mixed sediments A5.43 - Infralittoral mixed sediments A5.431 - Crepidula fornicata with ascidians and anemones on infralittoral coarse mixed sediment A5.431 - Crepidula fornicata with ascidians and anemones on infralittoral coarse mixed sediment A5.432 - Sabella pavonina with sponges and anemones on infralittoral mixed sediment A5.432 - Sabella pavonina with sponges and anemones on infralittoral mixed sediment A5.433 - Venerupis senegalensis , Amphipholis squamata and Apseudes latreilli in infralittoral mixed sediment A5.433 - Venerupis senegalensis , Amphipholis squamata and Apseudes latreilli in infralittoral mixed sediment A5.434 - Limaria hians beds in tide-swept sublittoral muddy mixed sediment A5.434 - Limaria hians beds in tide-swept sublittoral muddy mixed sediment A5.434 - Limaria hians beds in tide-swept sublittoral muddy mixed sediment A5.435 - Shallow smaller Ostrea edulis reefs adhering to rocky reefs and vertical drop-offs A5.435 - Oyster beds on shallow sublittoral muddy mixed sediment A5.435 - Oyster beds on shallow sublittoral muddy mixed sediment A5.435 - Ostrea edulis beds on shallow sublittoral muddy mixed sediment A5.44 - Circalittoral mixed sediments A5.44 - Circalittoral mixed sediments A5.44 - Circalittoral mixed sediments A5.44 - Circalittoral mixed sediments A5.441 - Cerianthus lloydii and other burrowing anemones in circalittoral muddy mixed sediment A5.441 - Cerianthus lloydii and other burrowing anemones in circalittoral muddy mixed sediment A5.4411 - Cerianthus lloydii with Nemertesia spp. and other hydroids in circalittoral muddy mixed sediment A5.4411 - Cerianthus lloydii with Nemertesia spp. and other hydroids in circalittoral muddy mixed sediment A5.442 - Sparse Modiolus modiolus , dense Cerianthus lloydii and burrowing holothurians on sheltered circalittoral stones and mixed sediment A5.442 - Sparse Modiolus modiolus , dense Cerianthus lloydii and burrowing holothurians on sheltered circalittoral stones and mixed sediment A5.443 - Mysella bidentata and Thyasira spp. in circalittoral muddy mixed sediment A5.443 - Mysella bidentata and Thyasira spp. in circalittoral muddy mixed sediment A5.444 - Flustra foliacea and Hydrallmania falcata on tide-swept circalittoral mixed sediment A5.444 - Flustra foliacea and Hydrallmania falcata on tide-swept circalittoral mixed sediment A5.445 - Ophiothrix fragilis and/or Ophiocomina nigra brittlestar beds on sublittoral mixed sediment A5.445 - Ophiothrix fragilis and/or Ophiocomina nigra brittlestar beds on sublittoral mixed sediment A5.446 - Sandy mixed sediment with Alcyonidium diaphanum A5.45 - Deep circalittoral mixed sediments A5.45 - Deep circalittoral mixed sediments A5.45 - Deep circalittoral mixed sediments A5.45 - Deep circalittoral mixed sediments A5.451 - Polychaete-rich deep Venus community in offshore mixed sediments A5.451 - Polychaete-rich deep Venus community in offshore mixed sediments A5.5 - Sublittoral macrophyte-dominated sediment A5.5 - Sublittoral macrophyte-dominated sediment A5.5 - Sublittoral macrophyte-dominated sediment A5.5 - Sublittoral macrophyte-dominated sediment A5.5 - Sublittoral macrophyte-dominated sediment A5.51 - Maerl beds A5.51 - Maerl beds A5.51 - Maerl beds A5.51 - Maerl beds A5.511 - Phymatolithon calcareum maerl beds in infralittoral clean gravel or coarse sand A5.511 - Phymatolithon calcareum maerl beds in infralittoral clean gravel or coarse sand A5.5111 - Phymatolithon calcareum maerl beds with red seaweeds in shallow infralittoral clean gravel or coarse sand A5.5111 - Phymatolithon calcareum maerl beds with red seaweeds in shallow infralittoral clean gravel or coarse sand A5.5112 - Phymatolithon calcareum maerl beds with Neopentadactyla mixta and other echinoderms in deeper infralittoral clean gravel or coarse sand A5.5112 - Phymatolithon calcareum maerl beds with Neopentadactyla mixta and other echinoderms in deeper infralittoral clean gravel or coarse sand A5.512 - Lithothamnion glaciale maerl beds in tide-swept variable salinity infralittoral gravel A5.512 - Lithothamnion glaciale maerl beds in tide-swept variable salinity infralittoral gravel A5.513 - Lithothamnion corallioides maerl beds on infralittoral muddy gravel A5.513 - Lithothamnion corallioides maerl beds on infralittoral muddy gravel A5.514 - Lithophyllum fasciculatum maerl beds on infralittoral mud A5.514 - Lithophyllum fasciculatum maerl beds on infralittoral mud A5.52 - Kelp and seaweed communities on sublittoral sediment A5.52 - Kelp and seaweed communities on sublittoral sediment A5.52 - Kelp and seaweed communities on sublittoral sediment A5.52 - Kelp and seaweed communities on sublittoral sediment A5.52 - Kelp and seaweed communities on sublittoral sediment A5.521 - Laminaria saccharina and red seaweeds on infralittoral sediments A5.521 - Laminaria saccharina and red seaweeds on infralittoral sediments A5.5211 - Red seaweeds and kelps on tide-swept mobile infralittoral cobbles and pebbles A5.5211 - Red seaweeds and kelps on tide-swept mobile infralittoral cobbles and pebbles A5.5212 - Laminaria saccharina and robust red algae on infralittoral gravel and pebble A5.5212 - Laminaria saccharina and robust red algae on infralittoral gravel and pebble A5.5213 - Laminaria saccharina and filamentous red algae on infralittoral sand A5.5213 - Laminaria saccharina and filamentous red algae on infralittoral sand A5.5214 - Laminaria saccharina with red and brown seaweeds on lower infralittoral muddy mixed sediment A5.5214 - Laminaria saccharina with red and brown seaweeds on lower infralittoral muddy mixed sediment A5.522 - Laminaria saccharina and Chorda filum on sheltered upper infralittoral muddy sediment A5.522 - Laminaria saccharina and Chorda filum on sheltered upper infralittoral muddy sediment A5.523 - Laminaria saccharina with Psammechinus miliaris and/or Modiolus modiolus on variable salinity infralittoral sediment A5.523 - Laminaria saccharina with Psammechinus miliaris and/or Modiolus modiolus on variable salinity infralittoral sediment A5.524 - Laminaria saccharina , Gracilaria gracilis and brown seaweeds on full salinity infralittoral sediment A5.524 - Laminaria saccharina , Gracilaria gracilis and brown seaweeds on full salinity infralittoral sediment A5.525 - Laminaria saccharina and Gracilaria gracilis with sponges and ascidians on variable salinity infralittoral sediment A5.525 - Laminaria saccharina and Gracilaria gracilis with sponges and ascidians on variable salinity infralittoral sediment A5.526 - Mats of Trailliella on infralittoral muddy gravel A5.526 - Mats of Trailliella on infralittoral muddy gravel A5.527 - Loose-lying mats of Phyllophora crispa on infralittoral muddy sediment A5.527 - Loose-lying mats of Phyllophora crispa on infralittoral muddy sediment A5.528 - Filamentous green seaweeds on low salinity infralittoral mixed sediment or rock A5.528 - Filamentous green seaweeds on low salinity infralittoral mixed sediment or rock A5.53 - Sublittoral seagrass beds A5.53 - Sublittoral seagrass beds A5.531 - Cymodocea beds A5.5311 - Macaronesian Cymodocea beds A5.5312 - Lusitanian Cymodocea beds A5.5321 - Canary Island Halophila beds A5.533 - Association with Zostera marina in euryhaline and eurythermal environment A5.533 - Zostera beds in full salinity infralittoral sediments A5.5331 - Zostera marina /angustifolia beds on lower shore or infralittoral clean or muddy sand A5.5331 - Zostera marina /angustifolia beds on lower shore or infralittoral clean or muddy sand A5.534 - Ruppia and Zannichellia communities A5.5341 - Middle European Ruppia and Zannichellia communities A5.5343 - Ruppia maritima in reduced salinity infralittoral muddy sand A5.5343 - Ruppia maritima in reduced salinity infralittoral muddy sand A5.54 - Angiosperm communities in reduced salinity A5.54 - Angiosperm communities in reduced salinity A5.54 - Angiosperm communities in reduced salinity A5.541 - Vegetation of brackish waters dominated by Phragmites australis A5.541 - Vegetation of brackish waters dominated by Phragmites australis A5.541 - Vegetation of brackish waters dominated by Phragmites australis A5.542 - Association with Potamogeton pectinatus A5.542 - Association with Potamogeton pectinatus A5.542 - Association with Potamogeton pectinatus A5.545 - Zostera beds in reduced salinity infralittoral sediments A5.6 - Sublittoral biogenic reefs A5.6 - Sublittoral biogenic reefs A5.6 - Sublittoral biogenic reefs A5.6 - Sublittoral biogenic reefs A5.6 - Sublittoral biogenic reefs A5.6 - Sublittoral biogenic reefs A5.6 - Sublittoral biogenic reefs A5.61 - Sublittoral polychaete worm reefs on sediment A5.61 - Sublittoral polychaete worm reefs on sediment A5.61 - Sublittoral polychaete worm reefs on sediment A5.61 - Sublittoral polychaete worm reefs on sediment A5.611 - Sabellaria spinulosa on stable circalittoral mixed sediment A5.611 - Sabellaria spinulosa on stable circalittoral mixed sediment A5.612 - Sabellaria alveolata on variable salinity sublittoral mixed sediment A5.612 - Sabellaria alveolata on variable salinity sublittoral mixed sediment A5.613 - Serpula vermicularis reefs on very sheltered circalittoral muddy sand A5.613 - Serpula vermicularis reefs on very sheltered circalittoral muddy sand A5.62 - Sublittoral mussel beds on sediment A5.62 - Sublittoral mussel beds on sediment A5.62 - Sublittoral mussel beds on sediment A5.62 - Sublittoral mussel beds on sediment A5.621 - Modiolus modiolus beds with hydroids and red seaweeds on tide-swept circalittoral mixed substrata A5.621 - Modiolus modiolus beds with hydroids and red seaweeds on tide-swept circalittoral mixed substrata A5.622 - Modiolus modiolus beds on open coast circalittoral mixed sediment A5.622 - Modiolus modiolus beds on open coast circalittoral mixed sediment A5.623 - Modiolus modiolus beds with fine hydroids and large solitary ascidians on very sheltered circalittoral mixed substrata A5.623 - Modiolus modiolus beds with fine hydroids and large solitary ascidians on very sheltered circalittoral mixed substrata A5.624 - Modiolus modiolus beds with Chlamys varia , sponges, hydroids and bryozoans on slightly tide-swept very sheltered circalittoral mixed substrata A5.624 - Modiolus modiolus beds with Chlamys varia , sponges, hydroids and bryozoans on slightly tide-swept very sheltered circalittoral mixed substrata A5.625 - Mytilus edulis beds on sublittoral sediment A5.625 - Mytilus edulis beds on sublittoral sediment A5.626 - Hiatella arctica beds on silty clay with small pebbles and shells A5.63 - Circalittoral coral reefs A5.63 - Circalittoral coral reefs A5.63 - Circalittoral coral reefs A5.631 - Circalittoral Lophelia pertusa reefs A5.631 - Circalittoral Lophelia pertusa reefs A5.631 - Circalittoral Lophelia pertusa reefs A5.631 - Circalittoral Lophelia pertusa reefs A5.64 - Pontic Ostrea edulis biogenic reefs on mobile seabottom A5.641 - Deep massive Ostrea edulis reefs on bottoms of shelly gravel and boulders A5.7 - Features of sublittoral sediments A5.7 - Features of sublittoral sediments A5.7 - Features of sublittoral sediments A5.7 - Features of sublittoral sediments A5.7 - Features of sublittoral sediments A5.7 - Features of sublittoral sediments A5.7 - Features of sublittoral sediments A5.71 - Seeps and vents in sublittoral sediments A5.71 - Seeps and vents in sublittoral sediments A5.71 - Seeps and vents in sublittoral sediments A5.71 - Seeps and vents in sublittoral sediments A5.71 - Seeps and vents in sublittoral sediments A5.71 - Seeps and vents in sublittoral sediments A5.711 - Bubbling reefs in the sublittoral euphotic zone A5.7111 - Bubbling reefs in the sublittoral euphotic zone with little or no macrophyte vegetation A5.7112 - Bubbling reefs in the sublittoral euphotic zone dominated by macrophyte vegetation A5.712 - Bubbling reefs in the aphotic zone A5.712 - Bubbling reefs in the aphotic zone A5.712 - Bubbling reefs in the aphotic zone A5.713 - Freshwater seeps in sublittoral sediments A5.714 - Methane seeps in sublittoral sediments A5.714 - Methane seeps in sublittoral sediments A5.714 - Methane seeps in sublittoral sediments A5.714 - Methane seeps in sublittoral sediments A5.715 - Oil seeps in sublittoral sediments A5.715 - Oil seeps in sublittoral sediments A5.715 - Oil seeps in sublittoral sediments A5.716 - Vents in sublittoral sediments A5.716 - Vents in sublittoral sediments A5.716 - Vents in sublittoral sediments A5.72 - Organically-enriched or anoxic sublittoral habitats A5.72 - Organically-enriched or anoxic sublittoral habitats A5.72 - Organically-enriched or anoxic sublittoral habitats A5.72 - Organically-enriched or anoxic sublittoral habitats A5.721 - Periodically and permanently anoxic sublittoral muds A5.721 - Periodically and permanently anoxic sublittoral muds A5.721 - Periodically and permanently anoxic sublittoral muds A5.721 - Periodically and permanently anoxic sublittoral muds A5.7211 - Beggiatoa spp. on anoxic sublittoral mud A5.7211 - Beggiatoa spp. on anoxic sublittoral mud A5.7211 - Beggiatoa spp. on anoxic sublittoral mud A5.7211 - Beggiatoa spp. on anoxic sublittoral mud A5.81 - Seeps and vents in sublittoral sediments A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6 - Deep-sea bed A6.1 - Deep-sea rock and artificial hard substrata A6.1 - Deep-sea rock and artificial hard substrata A6.1 - Deep-sea rock and artificial hard substrata A6.1 - Deep-sea rock and artificial hard substrata A6.1 - Deep-sea rock and artificial hard substrata A6.1 - Deep-sea rock and artificial hard substrata A6.1 - Deep-sea rock and artificial hard substrata A6.1 - Deep-sea rock and artificial hard substrata A6.1 - Deep-sea rock and artificial hard substrata A6.1 - Deep-sea rock and artificial hard substrata A6.11 - Deep-sea bedrock A6.11 - Deep-sea bedrock A6.11 - Deep-sea bedrock A6.11 - Deep-sea bedrock A6.11 - Deep-sea bedrock A6.11 - Deep-sea bedrock A6.12 - Deep-sea artificial hard substrata A6.12 - Deep-sea artificial hard substrata A6.12 - Deep-sea artificial hard substrata A6.12 - Deep-sea artificial hard substrata A6.13 - Deep-sea manganese nodules A6.13 - Deep-sea manganese nodules A6.13 - Deep-sea manganese nodules A6.14 - Boulders on the deep-sea bed A6.14 - Boulders on the deep-sea bed A6.14 - Boulders on the deep-sea bed A6.14 - Boulders on the deep-sea bed A6.2 - Deep-sea mixed substrata A6.2 - Deep-sea mixed substrata A6.2 - Deep-sea mixed substrata A6.2 - Deep-sea mixed substrata A6.2 - Deep-sea mixed substrata A6.2 - Deep-sea mixed substrata A6.2 - Deep-sea mixed substrata A6.2 - Deep-sea mixed substrata A6.2 - Deep-sea mixed substrata A6.2 - Deep-sea mixed substrata A6.2 - Deep-sea mixed substrata A6.2 - Deep-sea mixed substrata A6.2 - Deep-sea mixed substrata A6.2 - Deep-sea mixed substrata A6.2 - Deep-sea mixed substrata A6.21 - Deep-sea lag deposits A6.21 - Deep-sea lag deposits A6.21 - Deep-sea lag deposits A6.22 - Deep-sea biogenic gravels (shells, coral debris) A6.22 - Deep-sea biogenic gravels (shells, coral debris) A6.22 - Deep-sea biogenic gravels (shells, coral debris) A6.22 - Deep-sea biogenic gravels (shells, coral debris) A6.22 - Deep-sea biogenic gravels (shells, coral debris) A6.22 - Deep-sea biogenic gravels (shells, coral debris) A6.22 - Deep-sea biogenic gravels (shells, coral debris) A6.22 - Deep-sea biogenic gravels (shells, coral debris) A6.23 - Deep-sea calcareous pavements A6.23 - Deep-sea calcareous pavements A6.23 - Deep-sea calcareous pavements A6.24 - Communities of allochthonous material A6.24 - Communities of allochthonous material A6.24 - Communities of allochthonous material A6.241 - Communities of macrophyte debris A6.241 - Communities of macrophyte debris A6.241 - Communities of macrophyte debris A6.3 - Deep-sea sand A6.3 - Deep-sea sand A6.3 - Deep-sea sand A6.3 - Deep-sea sand A6.3 - Deep-sea sand A6.3 - Deep-sea sand A6.3 - Deep-sea sand A6.3 - Deep-sea sand A6.3 - Deep-sea sand A6.3 - Deep-sea sand A6.3 - Deep-sea sand A6.3 - Deep-sea sand A6.3 - Deep-sea sand A6.3 - Deep-sea sand A6.4 - Deep-sea muddy sand A6.4 - Deep-sea muddy sand A6.4 - Deep-sea muddy sand A6.4 - Deep-sea muddy sand A6.4 - Deep-sea muddy sand A6.4 - Deep-sea muddy sand A6.4 - Deep-sea muddy sand A6.4 - Deep-sea muddy sand A6.4 - Deep-sea muddy sand A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.5 - Deep-sea mud A6.52 - Communities of abyssal muds A6.6 - Deep-sea bioherms A6.6 - Deep-sea bioherms A6.6 - Deep-sea bioherms A6.6 - Deep-sea bioherms A6.6 - Deep-sea bioherms A6.6 - Deep-sea bioherms A6.6 - Deep-sea bioherms A6.6 - Deep-sea bioherms A6.6 - Deep-sea bioherms A6.6 - Deep-sea bioherms A6.6 - Deep-sea bioherms A6.61 - Communities of deep-sea corals A6.61 - Communities of deep-sea corals A6.61 - Communities of deep-sea corals A6.611 - Deep-sea Lophelia pertusa reefs A6.611 - Deep-sea Lophelia pertusa reefs A6.611 - Deep-sea Lophelia pertusa reefs A6.611 - Deep-sea Lophelia pertusa reefs A6.62 - Deep-sea sponge aggregations A6.62 - Deep-sea sponge aggregations A6.62 - Deep-sea sponge aggregations A6.621 - Facies with Pheronema grayi A6.7 - Raised features of the deep-sea bed A6.7 - Raised features of the deep-sea bed A6.7 - Raised features of the deep-sea bed A6.7 - Raised features of the deep-sea bed A6.71 - Permanently submerged flanks of oceanic islands A6.71 - Permanently submerged flanks of oceanic islands A6.71 - Permanently submerged flanks of oceanic islands A6.71 - Permanently submerged flanks of oceanic islands A6.72 - Seamounts, knolls and banks A6.72 - Seamounts, knolls and banks A6.72 - Seamounts, knolls and banks A6.72 - Seamounts, knolls and banks A6.721 - Summit communities of seamount, knoll or bank within euphotic zone A6.721 - Summit communities of seamount, knoll or bank within euphotic zone A6.721 - Summit communities of seamount, knoll or bank within euphotic zone A6.722 - Summit communities of seamount, knoll or bank within the mesopelagic zone, i.e. interacting with diurnally migrating plankton A6.722 - Summit communities of seamount, knoll or bank within the mesopelagic zone, i.e. interacting with diurnally migrating plankton A6.722 - Summit communities of seamount, knoll or bank within the mesopelagic zone, i.e. interacting with diurnally migrating plankton A6.723 - Deep summit communities of seamount, knoll or bank (i.e. below mesopelagic zone) A6.723 - Deep summit communities of seamount, knoll or bank (i.e. below mesopelagic zone) A6.723 - Deep summit communities of seamount, knoll or bank (i.e. below mesopelagic zone) A6.724 - Flanks of seamount, knoll or bank A6.724 - Flanks of seamount, knoll or bank A6.724 - Flanks of seamount, knoll or bank A6.725 - Base of seamount, knoll or bank A6.725 - Base of seamount, knoll or bank A6.725 - Base of seamount, knoll or bank A6.7251 - Moat around base of seamount, knoll or bank A6.7251 - Moat around base of seamount, knoll or bank A6.7251 - Moat around base of seamount, knoll or bank A6.73 - Oceanic ridges A6.73 - Oceanic ridges A6.73 - Oceanic ridges A6.73 - Oceanic ridges A6.731 - Communities of ridge flanks A6.731 - Communities of ridge flanks A6.731 - Communities of ridge flanks A6.732 - Communities of ridge axial trough (i.e. non-vent fauna) A6.732 - Communities of ridge axial trough (i.e. non-vent fauna) A6.732 - Communities of ridge axial trough (i.e. non-vent fauna) A6.733 - Oceanic ridge without hydrothermal effects A6.733 - Oceanic ridge without hydrothermal effects A6.733 - Oceanic ridge without hydrothermal effects A6.74 - Abyssal hills A6.74 - Abyssal hills A6.74 - Abyssal hills A6.74 - Abyssal hills A6.74 - Abyssal hills A6.75 - Carbonate mounds A6.75 - Carbonate mounds A6.75 - Carbonate mounds A6.75 - Carbonate mounds A6.8 - Deep-sea trenches and canyons, channels, slope failures and slumps on the continental slope A6.8 - Deep-sea trenches and canyons, channels, slope failures and slumps on the continental slope A6.8 - Deep-sea trenches and canyons, channels, slope failures and slumps on the continental slope A6.8 - Deep-sea trenches and canyons, channels, slope failures and slumps on the continental slope A6.81 - Canyons, channels, slope failures and slumps on the continental slope A6.81 - Canyons, channels, slope failures and slumps on the continental slope A6.81 - Canyons, channels, slope failures and slumps on the continental slope A6.81 - Canyons, channels, slope failures and slumps on the continental slope A6.811 - Active downslope channels A6.811 - Active downslope channels A6.811 - Active downslope channels A6.812 - Inactive downslope channels A6.812 - Inactive downslope channels A6.812 - Inactive downslope channels A6.813 - Alongslope channels A6.813 - Alongslope channels A6.813 - Alongslope channels A6.814 - Turbidites and fans A6.814 - Turbidites and fans A6.814 - Turbidites and fans A6.82 - Deep-sea trenches A6.82 - Deep-sea trenches A6.82 - Deep-sea trenches A6.82 - Deep-sea trenches A6.9 - Vents, seeps, hypoxic and anoxic habitats of the deep sea A6.9 - Vents, seeps, hypoxic and anoxic habitats of the deep sea A6.9 - Vents, seeps, hypoxic and anoxic habitats of the deep sea A6.9 - Vents, seeps, hypoxic and anoxic habitats of the deep sea A6.9 - Vents, seeps, hypoxic and anoxic habitats of the deep sea A6.9 - Vents, seeps, hypoxic and anoxic habitats of the deep sea A6.9 - Vents, seeps, hypoxic and anoxic habitats of the deep sea A6.9 - Vents, seeps, hypoxic and anoxic habitats of the deep sea A6.9 - Vents, seeps, hypoxic and anoxic habitats of the deep sea A6.9 - Vents, seeps, hypoxic and anoxic habitats of the deep sea A6.9 - Vents, seeps, hypoxic and anoxic habitats of the deep sea A6.9 - Vents, seeps, hypoxic and anoxic habitats of the deep sea A6.9 - Vents, seeps, hypoxic and anoxic habitats of the deep sea A6.91 - Deep-sea reducing habitats A6.91 - Deep-sea reducing habitats A6.91 - Deep-sea reducing habitats A6.911 - Seeps in the deep-sea A6.911 - Seeps in the deep-sea A6.911 - Seeps in the deep-sea A6.9111 - Cold seep benthic communities of hadal zone A6.912 - Gas hydrates in deep-sea A6.912 - Gas hydrates in deep-sea A6.912 - Gas hydrates in deep-sea A6.913 - Cetaceans and other carcasses on the deep-sea bed A6.92 - Deep-sea bed influenced by hypoxic water column A6.92 - Deep-sea bed influenced by hypoxic water column A6.92 - Deep-sea bed influenced by hypoxic water column A6.93 - Isolated oceanic features influenced by hypoxic water column A6.94 - Vents in the deep sea A6.94 - Vents in the deep sea A6.94 - Vents in the deep sea A6.941 - Active vent fields A6.941 - Active vent fields A6.941 - Active vent fields A6.942 - Inactive vent fields A6.942 - Inactive vent fields A6.942 - Inactive vent fields B1.2 - coastal sand dunes and inland dunes B3.1 - Supralittoral rock (lichen or splash zone) B3.1 - Supralittoral rock (lichen or splash zone) B3.11 - Lichens or small green algae on supralittoral and littoral fringe rock B3.11 - Lichens or small green algae on supralittoral and littoral fringe rock B3.111 - Yellow and grey lichens on supralittoral rock B3.111 - Yellow and grey lichens on supralittoral rock B3.112 - Prasiola stipitata on nitrate-enriched supralittoral or littoral fringe rock B3.112 - Prasiola stipitata on nitrate-enriched supralittoral or littoral fringe rock B3.113 - Verrucaria maura on littoral fringe rock B3.113 - Verrucaria maura on littoral fringe rock B3.1131 - Verrucaria maura and sparse barnacles on exposed littoral fringe rock B3.1131 - Verrucaria maura and sparse barnacles on exposed littoral fringe rock B3.1132 - Verrucaria maura on very exposed to very sheltered upper littoral fringe rock B3.1132 - Verrucaria maura on very exposed to very sheltered upper littoral fringe rock B3.114 - Blidingia spp. on vertical littoral fringe chalk B3.114 - Blidingia spp. on vertical littoral fringe chalk B3.115 - Ulothrix flacca and Urospora spp. on freshwater-influenced vertical littoral fringe soft rock B3.115 - Ulothrix flacca and Urospora spp. on freshwater-influenced vertical littoral fringe soft rock C3.44 - Eleocharis parvula and Eleocharis acicularis beds of inland saline and brackish waters
EUNIS 2022[Required field] select EUNIS 2022 code MA1 - Marine habitats MA12 - Littoral rock and other hard substrata MA12 - High energy littoral rock MA12 - Moderate energy littoral rock MA12 - Low energy littoral rock MA12 - Communities of littoral rockpools MA121 - Supralittoral rock (lichen or splash zone) MA121 - Lichens or small green algae on supralittoral and littoral fringe rock MA1211 - Yellow and grey lichens on supralittoral rock MA1212 - Prasiola stipitata on nitrate-enriched supralittoral or littoral fringe rock MA1213 - Verrucaria maura on littoral fringe rock MA12131 - Verrucaria maura and sparse barnacles on exposed littoral fringe rock MA12132 - Verrucaria maura on very exposed to very sheltered upper littoral fringe rock MA1214 - Blidingia spp. on vertical littoral fringe chalk MA1215 - Ulothrix flacca and Urospora spp. on freshwater-influenced vertical littoral fringe soft rock MA122 - Mussel and/or barnacle communities MA1221 - Mytilus edulis and barnacles on very exposed eulittoral rock MA1222 - Chthamalus spp. on exposed upper eulittoral rock MA12221 - Chthamalus montagui and Chthamalus stellatus on exposed upper eulittoral rock MA12222 - Chthamalus spp. and Lichina pygmaea on steep exposed upper eulittoral rock MA1223 - Semibalanus balanoides on exposed to moderately exposed or vertical sheltered eulittoral rock MA12231 - Semibalanus balanoides , Patella vulgata and Littorina spp. on exposed to moderately exposed or vertical sheltered eulittoral rock MA12232 - Semibalanus balanoides , Fucus vesiculosus and red seaweeds on exposed to moderately exposed eulittoral rock MA12233 - Semibalanus balanoides and Littorina spp. on exposed to moderately exposed eulittoral boulders and cobbles MA123 - Robust fucoid and/or red seaweed communities MA123 - Fucoids in tide-swept conditions MA123 - Fucoids on sheltered marine shores MA123 - Features of littoral rock MA123 - Enteromorpha spp. on freshwater-influenced and/or unstable upper eulittoral rock MA1231 - Fucus distichus and Fucus spiralis f. nana on extremely exposed upper eulittoral rock MA1232 - Corallina officinalis on exposed to moderately exposed lower eulittoral rock MA12321 - Corallina officinalis and Mastocarpus stellatus on exposed to moderately exposed lower eulittoral rock MA12322 - Corallina officinalis , Himanthalia elongata and Patella ulyssiponensis on very exposed lower eulittoral rock MA1233 - Himanthalia elongata and red seaweeds on exposed lower eulittoral rock MA1234 - Palmaria palmata on very exposed to moderately exposed lower eulittoral rock MA1235 - Mastocarpus stellatus and Chondrus crispus on very exposed to moderately exposed lower eulittoral rock MA1236 - Osmundea pinnatifida on moderately exposed mid eulittoral rock MA1237 - Ceramium sp. and piddocks on eulittoral fossilised peat MA1238 - Ascophyllum nodosum , sponges and ascidians on tide-swept mid eulittoral rock MA1239 - Fucus serratus , sponges and ascidians on tide-swept lower eulittoral rock MA123A - Fucus serratus with sponges, ascidians and red seaweeds on tide-swept lower eulittoral mixed substrata MA123B - Pelvetia canaliculata on sheltered littoral fringe rock MA123C - Fucus spiralis on sheltered upper eulittoral rock MA123C1 - Fucus spiralis on full salinity sheltered upper eulittoral rock MA123C2 - Fucus spiralis on full salinity upper eulittoral mixed substrata MA123D - Fucus vesiculosus on moderately exposed to sheltered mid eulittoral rock MA123D1 - Fucus vesiculosus on full salinity moderately exposed to sheltered mid eulittoral rock MA123D2 - Fucus vesiculosus on mid eulittoral mixed substrata MA123E - Ascophyllum nodosum on very sheltered mid eulittoral rock MA123E1 - Ascophyllum nodosum on full salinity mid eulittoral rock MA123E2 - Ascophyllum nodosum on full salinity mid eulittoral mixed substrata MA123F - Fucus serratus on sheltered lower eulittoral rock MA123F1 - Fucus serratus on full salinity sheltered lower eulittoral rock MA123F2 - Fucus serratus on full salinity lower eulittoral mixed substrata MA123G - Porphyra purpurea or Enteromorpha spp. on sand-scoured mid or lower eulittoral rock MA123H - Littoral sediment MA124 - Barnacles and fucoids on moderately exposed shores MA124 - Mussels and fucoids on moderately exposed shores MA1241 - Pelvetia canaliculata and barnacles on moderately exposed littoral fringe rock MA1242 - Fucus spiralis on full salinity exposed to moderately exposed upper eulittoral rock MA1243 - Fucus vesiculosus and barnacle mosaics on moderately exposed mid eulittoral rock MA1244 - Fucus serratus on moderately exposed lower eulittoral rock MA12441 - Fucus serratus and red seaweeds on moderately exposed lower eulittoral rock MA12442 - Fucus serratus and under-boulder fauna on exposed to moderately exposed lower eulittoral boulders MA12443 - Fucus serratus and piddocks on lower eulittoral soft rock MA1245 - Rhodothamniella floridula on sand-scoured lower eulittoral rock MA1246 - Mytilus edulis and Fucus vesiculosus on moderately exposed mid eulittoral rock MA1247 - Mytilus edulis , Fucus serratus and red seaweeds on moderately exposed lower eulittoral rock MA1248 - Mytilus edulis and piddocks on eulittoral firm clay MA125 - Fucoids in variable salinity MA1251 - Pelvetia canaliculata on sheltered variable salinity littoral fringe rock MA1252 - Fucus spiralis on sheltered variable salinity upper eulittoral rock MA1253 - Fucus vesiculosus on variable salinity mid eulittoral boulders and stable mixed substrata MA1254 - Ascophyllum nodosum and Fucus vesiculosus on variable salinity mid eulittoral rock MA1255 - Ascophyllum nodosum ecad. mackaii beds on extremely sheltered mid eulittoral mixed substrata MA1256 - Fucus serratus and large Mytilus edulis on variable salinity lower eulittoral rock MA1257 - Fucus ceranoides on reduced salinity eulittoral rock MA126 - Coralline crust-dominated shallow eulittoral rockpools MA1261 - Green seaweeds (Enteromorpha spp. and Cladophora spp.) in shallow upper shore rockpools MA1261 - Communities of littoral caves and overhangs MA1262 - Coralline crusts and Corallina officinalis in shallow eulittoral rockpools MA12621 - Coralline crusts and Paracentrotus lividus in shallow eulittoral rockpools MA12622 - Bifurcaria bifurcata in shallow eulittoral rockpools MA12623 - Cystoseira spp. in eulittoral rockpools MA12624 - Fucoids and kelp in deep eulittoral rockpools MA1263 - Sargassum muticum in eulittoral rockpools MA12631 - Seaweeds in sediment-floored eulittoral rockpools MA1264 - Hydroids, ephemeral seaweeds and Littorina littorea in shallow eulittoral mixed substrata pools MA1265 - Communities of rockpools in the supralittoral zone MA127 - Chrysophyceae and Haptophyceae on vertical upper littoral fringe soft rock MA1271 - Green algal films on upper and mid-shore cave walls and ceilings MA1272 - Audouinella purpurea and Pilinia maritima crusts on upper and mid-shore cave walls and ceilings MA1273 - Audouinella purpurea and Cladophora rupestris on upper to mid-shore cave walls MA1274 - Verrucaria mucosa and/or Hildenbrandia rubra on upper to mid shore cave walls MA1275 - Sponges and shade-tolerant red seaweeds on overhanging lower eulittoral bedrock and in cave entrances MA1276 - Sponges, shade-tolerant red seaweeds and Dendrodoa grossularia on wave-surged overhanging lower eulittoral bedrock and caves MA12761 - Sponges, bryozoans and ascidians on deeply overhanging lower shore bedrock or caves MA1277 - Faunal crusts on wave-surged littoral cave walls MA1278 - Sparse fauna (barnacles and spirorbids) on sand/pebble-scoured rock in littoral caves MA1279 - Barren and/or boulder-scoured littoral cave walls and floors MA127A - Ephemeral green or red seaweeds (freshwater or sand-influenced) on non-mobile substrata MA2 - Sagina maritima ephemeral salt marsh in sand MA2 - Mixed kelps with scour-tolerant and opportunistic foliose red seaweeds on scoured or sand-covered infralittoral rock MA2 - Laminaria hyperborea forest and foliose red seaweeds on tide-swept upper infralittoral mixed substrata MA22 - Upper saltmarshes MA22 - Halidrys siliquosa and mixed kelps on tide-swept infralittoral rock with coarse sediment MA22 - Laminaria hyperborea park and foliose red seaweeds on tide-swept lower infralittoral mixed substrata MA221 - Atlantic and Baltic brackish saltmarsh communities MA2211 - Atlantic salt scrubs MA2212 - Atlantic salt scrubs MA2213 - Atlantic salt scrubs MA2214 - Mid-upper saltmarshes and saline and brackish reed, rush and sedge beds MA2215 - Atlantic upper shore communities MA2216 - Atlantic upper shore communities MA2217 - Atlantic upper shore communities MA2218 - Atlantic upper shore communities MA2219 - Atlantic upper shore communities MA221A - Atlantic upper shore communities MA222 - Atlantic upper shore communities MA222 - Atlantic upper shore communities MA222 - Juncus maritimus mid-upper saltmarshes with Triglochin maritima MA2221 - Juncus maritimus mid-upper saltmarshes MA2222 - Eleocharis uniglumis mid-upper saltmarshes MA2223 - Blysmus rufus mid-upper saltmarshes MA2224 - Mid-upper saltmarshes: Artemisia maritima with Festuca rubra , or open canopy of Artemisia maritima and Halimione MA2225 - Festuca rubra mid-upper saltmarshes MA2226 - Mid-upper saltmarshes: sub-communities of Festuca rubra with Agrostis stolonifera , Juncus gerardi , Puccinellia maritima , Glaux maritima , Triglochin maritima , Armeria maritima and Plantago maritima MA223 - Low-mid saltmarshes MA223 - Atlantic saltmarsh grass lawns MA2231 - Atlantic lower shore communities MA2232 - Atlantic lower shore communities MA2233 - Atlantic lower shore communities MA2234 - Atlantic lower shore communities MA2235 - Halimione portulacoides low-mid saltmarshes MA2236 - Annual Salicornia , Suaeda and Puccinellia maritima low-mid saltmarshes MA2237 - Pioneer saltmarshes MA2238 - Salicornia , Suaeda and Salsola pioneer saltmarshes MA2239 - Salicornia , Suaeda and Salsola pioneer saltmarshes MA223A - Suaeda maritima pioneer saltmarshes MA223B - Salicornia spp. pioneer saltmarshes MA223C - Atlantic Sagina maritima communities MA223D - Flat-leaved Spartina swards MA223E - Flat-leaved Spartina swards MA223F - Flat-leaved Spartina swards MA223G - Spartina anglica pioneer saltmarshes MA223H - Spartina alterniflora with Spartina anglica , Puccinellia maritima and Aster tripolium MA223J - Spartina maritima pioneer saltmarshes MA223K - Aster tripolium var. discoides pioneer saltmarshes MA223L - Arthrocnemum perenne pioneer saltmarshes, sometimes with Halimione , Puccinellia and Suaeda MA223M - Littoral sediments dominated by aquatic angiosperms MA223N - Seagrass beds on littoral sediments MA223P - Zostera noltii beds in littoral muddy sand MA223Q - Littoral biogenic reefs MA223R - Littoral Sabellaria reefs MA223S - Sabellaria alveolata reefs on sand-abraded eulittoral rock MA224 - Littoral mussel beds on sediment MA224 - Mytilus edulis beds on littoral mixed substrata MA2241 - Mytilus edulis beds on littoral sediments MA2242 - Mytilus edulis beds on littoral sand MA2243 - Mytilus edulis beds on littoral mud MA2244 - Features of littoral sediment MA2245 - Ephemeral green or red seaweeds (freshwater or sand-influenced) on mobile substrata MA2246 - Ephemeral green and red seaweeds on variable salinity and/or disturbed eulittoral mixed substrata MA2247 - Infralittoral rock and other hard substrata MA2248 - Atlantic and Mediterranean high energy infralittoral rock MA2249 - Kelp with cushion fauna and/or foliose red seaweeds MA224A - Alaria esculenta on exposed sublittoral fringe bedrock MA224B - Alaria esculenta , Mytilus edulis and coralline crusts on very exposed sublittoral fringe bedrock MA224C - Alaria esculenta and Laminaria digitata on exposed sublittoral fringe bedrock MA224D - Alaria esculenta forest with dense anemones and crustose sponges on extremely exposed infralittoral bedrock MA224E - Laminaria hyperborea forest with a faunal cushion (sponges and polyclinids) and foliose red seaweeds on very exposed infralittoral rock MA225 - Sparse Laminaria hyperborea and dense Paracentrotus lividus on exposed infralittoral limestone MA225 - Laminaria hyperborea with dense foliose red seaweeds on exposed infralittoral rock MA225 - Foliose red seaweeds on exposed lower infralittoral rock MA2251 - Laminaria hyperborea forest with dense foliose red seaweeds on exposed upper infralittoral rock MA2252 - Laminaria hyperborea park with dense foliose red seaweeds on exposed lower infralittoral rock MA2253 - Mixed Laminaria hyperborea and Laminaria ochroleuca forest on exposed infralittoral rock MA2254 - Foliose red seaweeds with dense Dictyota dichotoma and/or Dictyopteris membranacea on exposed lower infralittoral rock MA2255 - Laminaria hyperborea and red seaweeds on exposed vertical rock MA2256 - Sediment-affected or disturbed kelp and seaweed communities MA2257 - Saccorhiza polyschides and other opportunistic kelps on disturbed upper infralittoral rock MA2258 - Laminaria saccharina and/or Saccorhiza polyschides on exposed infralittoral rock MA2259 - Laminaria saccharina , Chorda filum and dense red seaweeds on shallow unstable infralittoral boulders and cobbles MA225A - Dense Desmarestia spp. with filamentous red seaweeds on exposed infralittoral cobbles, pebbles and bedrock MA226 - Laminaria hyperborea and foliose red seaweeds on moderately exposed infralittoral rock MA2261 - Laminaria hyperborea forest and foliose red seaweeds on moderately exposed upper infralittoral rock MA227 - Laminaria hyperborea park and foliose red seaweeds on moderately exposed lower infralittoral rock MA2271 - Grazed Laminaria hyperborea forest with coralline crusts on upper infralittoral rock MA22711 - Grazed Laminaria hyperborea park with coralline crusts on lower infralittoral rock MA22712 - Sabellaria spinulosa with kelp and red seaweeds on sand-influenced infralittoral rock MA22713 - Dense foliose red seaweeds on silty moderately exposed infralittoral rock MA228 - Laminaria hyperborea forest, foliose red seaweeds and a diverse fauna on tide-swept upper infralittoral rock MA2281 - Laminaria hyperborea park with hydroids, bryozoans and sponges on tide-swept lower infralittoral rock MA2281 - Laminaria hyperborea on tide-swept infralittoral mixed substrata MA233T - Rayed Aster tripolium pioneer saltmarshes MA3 - Littoral coarse sediment MA3 - Littoral sand and muddy sand MA32 - Strandline MA321 - Talitrids on the upper shore and strandline MA3211 - Mytilus edulis and Fabricia sabella in littoral mixed sediment MA3212 - Barren or amphipod-dominated mobile sand shores MA322 - Barren littoral coarse sand MA4 - Shingle (pebble) and gravel shores MA4 - Species-poor mixed sediment shores MA42 - Barnacles and Littorina spp. on unstable eulittoral mixed substrata MA421 - Laminaria hyperborea on moderately exposed vertical rock MA421 - Laminaria digitata , ascidians and bryozoans on tide-swept sublittoral fringe rock MA4211 - Mixed kelp with foliose red seaweeds, sponges and ascidians on sheltered tide-swept infralittoral rock MA422 - Oligochaetes in variable salinity littoral mobile sand MA4221 - Eurydice pulchra in littoral mobile sand MA423 - Suaeda vera - Limonium binervosum saltmarsh driftlines MA423 - Frankenia laevis - Halimione portulacoides saltmarsh driftlines MA4231 - Inula crithmoides on saltmarshes MA4232 - Coastal saltmarshes and saline reedbeds MA4232 - Saltmarsh driftlines MA42321 - Atlantic saltmarsh and drift rough grass communities MA42323 - Elymus pycnanthus with Suaeda vera or Inula crithmoides saltmarsh driftlines MA42324 - Elymus repens saltmarsh driftlines MA42325 - Suaeda vera saltmarsh driftlines MA4233 - Spergularia marina - Puccinellia distans saltmarsh driftlines MA5 - Barren littoral shingle MA5 - Oligochaetes in littoral mobile sand MA52 - Oligochaetes in full salinity littoral mobile sand MA521 - Amphipods and Scolelepis spp. in littoral medium-fine sand MA5211 - Scolelepis spp. in littoral mobile sand MA522 - Polyides rotundus , Ahnfeltia plicata and Chondrus crispus on sand-covered infralittoral rock MA5221 - Kelp and red seaweeds (moderate energy infralittoral rock) MA5222 - Laminaria digitata on moderately exposed sublittoral fringe rock MA5223 - Laminaria digitata and under-boulder fauna on sublittoral fringe boulders MA5224 - Laminaria digitata and piddocks on sublittoral fringe soft rock MA523 - Pontocrates arenarius in littoral mobile sand MA5231 - Polychaete/amphipod-dominated fine sand shores MA5232 - Polychaetes in littoral fine sand MA52321 - Polychaetes, including Paraonis fulgens , in littoral fine sand MA52322 - Polychaetes and Angulus tenuis in littoral fine sand MA5233 - Nephtys cirrosa -dominated littoral fine sand MA52331 - Polychaete/bivalve-dominated muddy sand shores MA52332 - Macoma balthica and Arenicola marina in muddy sand shores MA52333 - Cerastoderma edule and polychaetes in littoral muddy sand MA524 - Hediste diversicolor , Macoma balthica and Eteone longa in littoral muddy sand MA5241 - Bathyporeia pilosa and Corophium arenarium in littoral muddy sand MA52411 - Lanice conchilega in littoral sand MA52412 - Littoral mud MA52413 - Polychaete/bivalve-dominated mid estuarine mud shores MA525 - Nephtys hombergii , Macoma balthica and Streblospio shrubsolii in littoral sandy mud MA5251 - Hediste diversicolor and Macoma balthica in littoral sandy mud MA5252 - Hediste diversicolor , Macoma balthica and Scrobicularia plana in littoral sandy mud MA5253 - Polychaete/oligochaete-dominated upper estuarine mud shores MA5254 - Nephtys hombergii and Streblospio shrubsolii in littoral mud MA5255 - Hediste diversicolor in littoral mud MA6 - Pectenogammarus planicrurus in mid shore well-sorted gravel or coarse sand MA6 - Hediste diversicolor and Streblospio shrubsolii in littoral sandy mud MA62 - Hediste diversicolor and Corophium volutator in littoral mud MA621 - Cirratulids and Cerastoderma edule in littoral mixed sediment MA622 - Hediste diversicolor and oligochaetes in littoral mud MA622 - Erosion faces with Carcinus maenas MA6221 - Hediste diversicolor , cirratulids and Tubificoides spp. in littoral gravelly sandy mud MA6222 - Hediste diversicolor and Corophium volutator in littoral gravelly sandy mud MA62221 - Species-rich mixed sediment shores MA6223 - Tubificoides benedii and other oligochaetes in littoral mud MA6224 - Saltmarsh pools MA6225 - Saltmarsh creeks MA6226 - Littoral mixed sediments MA6227 - Hediste diversicolor dominated gravelly sandy mud shores MA62271 - Hediste diversicolor in littoral gravelly muddy sand and gravelly sandy mud MA62272 - Hediste diversicolor and Macoma balthica in littoral gravelly mud MA62273 - Hediste diversicolor and Scrobicularia plana in littoral gravelly mud MA6228 - Hediste diversicolor and Streblospio shrubsolii in littoral gravelly sandy mud MA623 - Atlantic and Mediterranean moderate energy infralittoral rock MA6231 - Laminaria digitata on moderately exposed sublittoral fringe bedrock MA6232 - Laminaria hyperborea on tide-swept, infralittoral rock MA624 - Hiatella arctica and seaweeds on vertical limestone / chalk MA6241 - Kelp and seaweed communities in tide-swept sheltered conditions MB1 - Mixed kelp and red seaweeds on infralittoral boulders, cobbles and gravel in tidal rapids MB12 - Laminaria saccharina with foliose red seaweeds and ascidians on sheltered tide-swept infralittoral rock MB12 - Filamentous red seaweeds, sponges and Balanus crenatus on tide-swept variable-salinity infralittoral rock MB12 - Hartlaubella gelatinosa and Conopeum reticulum on low salinity infralittoral mixed substrata MB12 - Flustra foliacea and colonial ascidians on tide-swept moderately wave-exposed circalittoral rock MB12 - Caryophyllia smithii with faunal and algal crusts on moderately wave-exposed circalittoral rock MB121 - Atlantic and Mediterranean low energy infralittoral rock MB121 - Features of infralittoral rock MB121 - Mixed faunal turf communities on circalittoral rock MB1211 - Silted kelp on low energy infralittoral rock with full salinity MB12111 - Mixed Laminaria hyperborea and Laminaria ochroleuca forest on moderately exposed or sheltered infralittoral rock MB12112 - Mixed Laminaria hyperborea and Laminaria saccharina on sheltered infralittoral rock MB1212 - Mixed Laminaria hyperborea and Laminaria saccharina forest on sheltered upper infralittoral rock MB1213 - Mixed Laminaria hyperborea and Laminaria saccharina park on sheltered lower infralittoral rock MB1214 - Grazed, mixed Laminaria hyperborea and Laminaria saccharina on sheltered infralittoral rock MB1215 - Laminaria saccharina on very sheltered infralittoral rock MB12151 - Laminaria saccharina and Laminaria digitata on sheltered sublittoral fringe rock MB12152 - Laminaria saccharina forest on very sheltered upper infralittoral rock MB12153 - Laminaria saccharina park on very sheltered lower infralittoral rock MB1216 - Sargassum muticum on shallow slightly tide-swept infralittoral mixed substrata MB1217 - Robust faunal cushions and crusts in surge gullies and caves MB12171 - Foliose seaweeds and coralline crusts in surge gully entrances MB12172 - Anemones, including Corynactis viridis, crustose sponges and colonial ascidians on very exposed or wave surged vertical infralittoral rock MB12173 - Crustose sponges and colonial ascidians with Dendrodoa grossularia or barnacles on wave-surged infralittoral rock MB1218 - Dendrodoa grossularia and Clathrina coriacea on wave-surged vertical infralittoral rock MB12181 - Crustose sponges on extremely wave-surged infralittoral cave or gully walls MB12182 - Coralline crusts in surge gullies and scoured infralittoral rock MB1219 - Balanus crenatus and/or Pomatoceros triqueter with spirorbid worms and coralline crusts on severely scoured vertical infralittoral rock MB12191 - Coralline crusts and crustaceans on mobile boulders or cobbles in surge gullies MB12192 - Infralittoral fouling seaweed communities MB121A - Circalittoral rock and other hard substrata MB121A1 - Atlantic and Mediterranean high energy circalittoral rock MB121A2 - Very tide-swept faunal communities on circalittoral rock MB121A3 - Balanus crenatus and Tubularia indivisa on extremely tide-swept circalittoral rock MB121A4 - Tubularia indivisa on tide-swept circalittoral rock MB121A5 - Tubularia indivisa and cushion sponges on tide-swept turbid circalittoral bedrock MB121B - Alcyonium digitatum with dense Tubularia indivisa and anemones on strongly tide-swept circalittoral rock MB121C - Sponge communities on deep circalittoral rock MB121D - Phakellia ventilabrum and axinellid sponges on deep, wave-exposed circalittoral rock MB121E - Bryozoan turf and erect sponges on tide-swept circalittoral rock MB121F - Eunicella verrucosa and Pentapora foliacea on wave-exposed circalittoral rock MB121G - Mixed turf of bryozoans and erect sponges with Dysidia fragilis and Actinothoe sphyrodeta on tide-swept wave-exposed circalittoral rock MB121H - Mixed turf of bryozoans and erect sponges with Sagartia elegans on tide-swept circalittoral rock MB121J - Corynactis viridis and a mixed turf of crisiids, Bugula , Scrupocellaria , and Cellaria on moderately tide-swept exposed circalittoral rock MB121K - Mixed turf of hydroids and large ascidians with Swiftia pallida and Caryophyllia smithii on weakly tide-swept circalittoral rock MB122 - Mytilus edulis beds on reduced salinity infralittoral rock MB1221 - Grazed Laminaria saccharina with Echinus , brittlestars and coralline crusts on sheltered infralittoral rock MB12211 - Silted cape-form Laminaria hyperborea on very sheltered infralittoral rock MB1222 - Kelp in variable salinity on low energy infralittoral rock MB1223 - Cordylophora caspia and Electra crustulenta on reduced salinity infralittoral rock MB1224 - Faunal communities on variable or reduced salinity infralittoral rock MB1225 - Cushion sponges and hydroids on turbid tide-swept variable salinity sheltered circalittoral rock MB123 - Codium spp. with red seaweeds and sparse Laminaria saccharina on shallow, heavily-silted, very sheltered infralittoral rock MB123 - Polyclinum aurantium and Flustra foliacea on sand-scoured tide-swept moderately wave-exposed circalittoral rock MB1231 - Laminaria saccharina and Psammechinus miliaris on variable salinity grazed infralittoral rock MB1232 - Laminaria saccharina with Phyllophora spp. and filamentous green seaweeds on variable or reduced salinity infralittoral rock MB1233 - Submerged fucoids, green or red seaweeds (low salinity infralittoral rock) MB1234 - Mixed fucoids, Chorda filum and green seaweeds on reduced salinity infralittoral rock MB1235 - Ascophyllum nodosum and epiphytic sponges and ascidians on variable salinity infralittoral rock MB1236 - Polyides rotundus and/or Furcellaria lumbricalis on reduced salinity infralittoral rock MB1237 - Fucus ceranoides and Enteromorpha spp. on low salinity infralittoral rock MB1238 - Flustra foliacea , small solitary and colonial ascidians on tide-swept circalittoral bedrock or boulders MB1239 - Flustra foliacea and colonial ascidians on tide-swept exposed circalittoral mixed substrata MB12391 - Sparse sponges, Nemertesia spp., and Alcyonidium diaphanum on circalittoral mixed substrata MB12392 - Suberites spp. with a mixed turf of crisiids and Bugula spp. on heavily silted moderately wave-exposed shallow circalittoral rock MB12393 - Flustra foliacea and Haliclona oculata with a rich faunal turf on tide-swept circalittoral mixed substrata MB123A - Molgula manhattensis with a hydroid and bryozoan turf on tide-swept moderately wave-exposed circalittoral rock MB123A1 - Sponges and anemones on vertical circalittoral bedrock MB123A2 - Atlantic and Mediterranean moderate energy circalittoral rock MB123A3 - Echinoderms and crustose communities on circalittoral rock MB123A4 - Caryophyllia smithii and Swiftia pallida on circalittoral rock MB123B - Caryophyllia smithii , Swiftia pallida and Alcyonium glomeratum on wave-sheltered circalittoral rock MB123C - Caryophyllia smithii , Swiftia pallida and large solitary ascidians on exposed or moderately exposed circalittoral rock MB124 - Caryophyllia smithii , sponges and crustose communities on wave-exposed circalittoral rock MB1241 - Brittlestars overlying coralline crusts, Parasmittina trispinosa and Caryophyllia smithii on wave-exposed circalittoral rock MB1242 - Caryophyllia smithii and sponges with Pentapora foliacea , Porella compressa and crustose communities on wave-exposed circalittoral rock MB1243 - Urticina felina and sand-tolerant fauna on sand-scoured or covered circalittoral rock MB125 - Faunal and algal crusts on exposed to moderately wave-exposed circalittoral rock MB1251 - Flustra foliacea on slightly scoured silty circalittoral rock MB1252 - Alcyonium digitatum , Pomatoceros triqueter , algal and bryozoan crusts on wave-exposed circalittoral rock MB1253 - Alcyonium digitatum with Securiflustra securifrons on tide-swept moderately wave-exposed circalittoral rock MB1254 - Brittlestars on faunal and algal encrusted exposed to moderately wave-exposed circalittoral rock MB1255 - Faunal and algal crusts with Pomatoceros triqueter and sparse Alcyonium digitatum on exposed to moderately wave-exposed circalittoral rock MB126 - Alcyonium digitatum and faunal crust communities on vertical circalittoral bedrock MB1261 - Sabellaria reefs on circalittoral rock MB1262 - Sabellaria spinulosa encrusted circalittoral rock MB1263 - Sabellaria spinulosa with a bryozoan turf and barnacles on silty turbid circalittoral rock MB127 - Sabellaria spinulosa , didemnid and small ascidians on tide-swept moderately wave-exposed circalittoral rock MB127 - Piddocks with a sparse associated fauna in sublittoral very soft chalk or clay MB1271 - Polydora sp. tubes on moderately exposed sublittoral soft rock MB1272 - Hiatella -bored vertical sublittoral limestone rock MB1273 - Mussel beds on circalittoral rock MB1274 - Mytilus edulis beds with hydroids and ascidians on tide-swept exposed to moderately wave-exposed circalittoral rock MB1275 - Musculus discors beds on moderately exposed circalittoral rock MB1276 - Circalittoral faunal communities in variable salinity MB12761 - Cushion sponges and hydroids on turbid tide-swept sheltered circalittoral rock MB12762 - Cushion sponges, hydroids and ascidians on turbid tide-swept sheltered circalittoral rock MB128 - Communities on soft circalittoral rock MB128 - Halichondria bowerbanki , Eudendrium arbusculum and Eucratea loricata on reduced salinity tide-swept circalittoral mixed substrata MB1281 - Atlantic and Mediterranean low energy circalittoral rock MB1282 - Brachiopod and ascidian communities on circalittoral rock MB1283 - Solitary ascidians, including Ascidia mentula and Ciona intestinalis , on wave-sheltered circalittoral rock MB1284 - Features of sublittoral sediments MB1284 - Bubbling reefs in the sublittoral euphotic zone MB12841 - Bubbling reefs in the sublittoral euphotic zone with little or no macrophyte vegetation MB12842 - Bubbling reefs in the sublittoral euphotic zone dominated by macrophyte vegetation MB2 - Sublittoral biogenic reefs MB22 - Sublittoral biogenic reefs MB221 - Sublittoral polychaete worm reefs on sediment MB2211 - Sabellaria alveolata on variable salinity sublittoral mixed sediment MB2212 - Sublittoral polychaete worm reefs on sediment MB222 - Limaria hians beds in tide-swept sublittoral muddy mixed sediment MB222 - Oyster beds on shallow sublittoral muddy mixed sediment MB222 - Sublittoral mussel beds on sediment MB2221 - Limaria hians beds in tide-swept sublittoral muddy mixed sediment MB2222 - Oyster beds on shallow sublittoral muddy mixed sediment MB2223 - Sublittoral mussel beds on sediment MB3 - Myrtea spinifera and polychaetes in offshore circalittoral sandy mud MB3 - Lithothamnion glaciale maerl beds in tide-swept variable salinity infralittoral gravel MB3 - Laminaria saccharina and red seaweeds on infralittoral sediments MB32 - Sublittoral macrophyte-dominated sediment MB32 - Sublittoral mixed sediments MB32 - Lithothamnion corallioides maerl beds on infralittoral muddy gravel MB32 - Red seaweeds and kelps on tide-swept mobile infralittoral cobbles and pebbles MB321 - Kelp and seaweed communities on sublittoral sediment MB3211 - Laminaria saccharina and red seaweeds on infralittoral sediments MB32111 - Red seaweeds and kelps on tide-swept mobile infralittoral cobbles and pebbles MB32112 - Laminaria saccharina and robust red algae on infralittoral gravel and pebble MB3212 - Laminaria saccharina with Psammechinus miliaris and/or Modiolus modiolus on variable salinity infralittoral sediment MB3213 - Laminaria saccharina , Gracilaria gracilis and brown seaweeds on full salinity infralittoral sediment MB3214 - Laminaria saccharina and Gracilaria gracilis with sponges and ascidians on variable salinity infralittoral sediment MB322 - Maerl beds MB3221 - Phymatolithon calcareum maerl beds in infralittoral clean gravel or coarse sand MB32211 - Phymatolithon calcareum maerl beds with red seaweeds in shallow infralittoral clean gravel or coarse sand MB32212 - Phymatolithon calcareum maerl beds with Neopentadactyla mixta and other echinoderms in deeper infralittoral clean gravel or coarse sand MB3222 - Lithothamnion glaciale maerl beds in tide-swept variable salinity infralittoral gravel MB323 - Laminaria saccharina and robust red algae on infralittoral gravel and pebble MB3231 - Laminaria saccharina and filamentous red algae on infralittoral sand MB3232 - Laminaria saccharina with red and brown seaweeds on lower infralittoral muddy mixed sediment MB3233 - Laminaria saccharina and Chorda filum on sheltered upper infralittoral muddy sediment MB3234 - Laminaria saccharina with Psammechinus miliaris and/or Modiolus modiolus on variable salinity infralittoral sediment MB3235 - Laminaria saccharina , Gracilaria gracilis and brown seaweeds on full salinity infralittoral sediment MB3236 - Laminaria saccharina and Gracilaria gracilis with sponges and ascidians on variable salinity infralittoral sediment MB3237 - Mats of Trailliella on infralittoral muddy gravel MB3238 - Kelp and seaweed communities on sublittoral sediment MB4 - Sublittoral mixed sediments MB4 - Infralittoral mixed sediments MB4 - Sublittoral mixed sediment in low or reduced salinity MB42 - Sublittoral mixed sediments MB42 - Sublittoral mixed sediment in low or reduced salinity MB42 - Infralittoral mixed sediments MB42 - Sublittoral macrophyte-dominated sediment MB42 - Sublittoral mixed sediment in variable salinity (estuaries) MB421 - Maerl beds MB4211 - Lithothamnion corallioides maerl beds on infralittoral muddy gravel MB422 - Kelp and seaweed communities on sublittoral sediment MB422 - Laminaria saccharina with red and brown seaweeds on lower infralittoral muddy mixed sediment MB422 - Angiosperm communities in reduced salinity MB4221 - Filamentous green seaweeds on low salinity infralittoral mixed sediment or rock MB4222 - Vegetation of brackish waters dominated by Phragmites australis MB4223 - Association with Potamogeton pectinatus MB423 - Infralittoral mixed sediments MB4231 - Crepidula fornicata with ascidians and anemones on infralittoral coarse mixed sediment MB4232 - Sabella pavonina with sponges and anemones on infralittoral mixed sediment MB4233 - Venerupis senegalensis , Amphipholis squamata and Apseudes latreilli in infralittoral mixed sediment MB424 - Sublittoral mixed sediment in variable salinity (estuaries) MB4241 - Aphelochaeta spp. and Polydora spp. in variable salinity infralittoral mixed sediment MB4242 - Crepidula fornicata and Mediomastus fragilis in variable salinity infralittoral mixed sediment MB5 - Sabellaria alveolata on variable salinity sublittoral mixed sediment MB5 - Seeps and vents in sublittoral sediments MB5 - Deep-sea rock and artificial hard substrata MB5 - Aphelochaeta spp. and Polydora spp. in variable salinity infralittoral mixed sediment MB52 - Serpula vermicularis reefs on very sheltered circalittoral muddy sand MB52 - Modiolus modiolus beds with Chlamys varia , sponges, hydroids and bryozoans on slightly tide-swept very sheltered circalittoral mixed substrata MB52 - Bubbling reefs in the aphotic zone MB52 - Deep-sea bedrock MB52 - Sublittoral macrophyte-dominated sediment MB52 - Crepidula fornicata and Mediomastus fragilis in variable salinity infralittoral mixed sediment MB521 - Kelp and seaweed communities on sublittoral sediment MB5211 - Laminaria saccharina and filamentous red algae on infralittoral sand MB522 - Sublittoral seagrass beds MB5221 - Cymodocea beds MB52211 - Macaronesian Cymodocea beds MB52212 - Lusitanian Cymodocea beds MB5222 - Canary Island Halophila beds MB5223 - Association with Zostera marina in euryhaline and eurythermal environment MB5223 - Zostera marina /angustifolia beds on lower shore or infralittoral clean or muddy sand MB5224 - Middle European Ruppia and Zannichellia communities MB5224 - Ruppia maritima in reduced salinity infralittoral muddy sand MB523 - Methane seeps in sublittoral sediments MB523 - Deep-sea artificial hard substrata MB5231 - Organically-enriched or anoxic sublittoral habitats MB5232 - Periodically and permanently anoxic sublittoral muds MB5233 - Beggiatoa spp. on anoxic sublittoral mud MB5234 - Deep-sea bed MB5235 - Boulders on the deep-sea bed MB5236 - Deep-sea mixed substrata MB5237 - Deep-sea sand MB5238 - Deep-sea muddy sand MB5239 - Deep-sea mud MB523A - Communities of abyssal muds MB524 - Mytilus edulis beds on sublittoral sediment MB5241 - Circalittoral coral reefs MB5242 - Circalittoral Lophelia pertusa reefs MB5243 - Features of sublittoral sediments MB6 - Yellow and grey lichens on supralittoral rock MB6 - Deep-sea Lophelia pertusa reefs MB6 - Infralittoral fine mud MB6 - Infralittoral mixed sediments MB62 - Prasiola stipitata on nitrate-enriched supralittoral or littoral fringe rock MB62 - Shallow smaller Ostrea edulis reefs adhering to rocky reefs and vertical drop-offs MB62 - Infralittoral fine mud MB62 - Sublittoral macrophyte-dominated sediment MB62 - Crepidula fornicata with ascidians and anemones on infralittoral coarse mixed sediment MB621 - Kelp and seaweed communities on sublittoral sediment MB6211 - Laminaria saccharina and Chorda filum on sheltered upper infralittoral muddy sediment MB6212 - Mats of Trailliella on infralittoral muddy gravel MB6213 - Loose-lying mats of Phyllophora crispa on infralittoral muddy sediment MB622 - Maerl beds MB6221 - Lithophyllum fasciculatum maerl beds on infralittoral mud MB623 - Angiosperm communities in reduced salinity MB6231 - Vegetation of brackish waters dominated by Phragmites australis MB6232 - Association with Potamogeton pectinatus MB624 - Periodically and permanently anoxic sublittoral muds MB624 - Ostrea edulis beds on shallow sublittoral muddy mixed sediment MB624 - Infralittoral fine mud MB6241 - Pontic Ostrea edulis biogenic reefs on mobile seabottom MB6242 - Deep massive Ostrea edulis reefs on bottoms of shelly gravel and boulders MB6243 - Mysella bidentata and Abra spp. in infralittoral sandy mud MB6244 - Melinna palmata with Magelona spp. and Thyasira spp. in infralittoral sandy mud MB6245 - Ampelisca spp., Photis longicaudata and other tube-building amphipods and polychaetes in infralittoral sandy mud MB6246 - Capitella capitata in enriched sublittoral muddy sediments MB6247 - Cerastoderma edule with Abra nitida in infralittoral mud MB6248 - Arenicola marina in infralittoral mud MB6249 - Philine aperta and Virgularia mirabilis in soft stable infralittoral mud MB624A - Ocnus planci aggregations on sheltered sublittoral muddy sediment MB624B - Oligochaetes in mobile mud MB624C - Organically-enriched or anoxic sublittoral habitats MB624C - Beggiatoa spp. on anoxic sublittoral mud MB625 - Eleocharis parvula and Eleocharis acicularis beds of inland saline and brackish waters MB6256 - coastal sand dunes and inland dunes MB6257 - Circalittoral Lophelia pertusa reefs MB626 - Ulothrix flacca and Urospora spp. on freshwater-influenced vertical littoral fringe soft rock MB627 - Features of sublittoral sediments MB627 - Seeps and vents in sublittoral sediments MB627 - Oil seeps in sublittoral sediments MB627 - Vents in sublittoral sediments MB6271 - Methane seeps in sublittoral sediments MB6272 - Freshwater seeps in sublittoral sediments MC1 - Solitary ascidians, including Ascidia mentula and Ciona intestinalis , with Antedon spp. on wave-sheltered circalittoral rock MC12 - Dense brittlestars with sparse Ascidia mentula and Ciona intestinalis on sheltered circalittoral mixed substrata MC12 - Neocrania anomala and Protanthea simplex on sheltered circalittoral rock MC12 - Neopentadactyla mixta in circalittoral shell gravel or coarse sand MC12 - Polydora ciliata and Corophium volutator in variable salinity infralittoral firm mud or clay MC12 - Mysella bidentata and Abra spp. in infralittoral sandy mud MC121 - Neocrania anomala and Protanthea simplex on very wave-sheltered circalittoral rock MC121 - Ascidiella aspersa on circalittoral artificial substrata MC1211 - Neocrania anomala , Dendrodoa grossularia and Sarcodictyon roseum on variable salinity circalittoral rock MC1212 - Features of circalittoral rock MC12121 - Communities of circalittoral caves and overhangs MC12122 - Sponges, cup corals and anthozoans on shaded or overhanging circalittoral rock MC1213 - Sublittoral sediment MC12131 - Sublittoral coarse sediment MC12132 - Sublittoral coarse sediment in variable salinity (estuaries) MC12134 - Infralittoral coarse sediment MC1214 - Sparse fauna on highly mobile sublittoral shingle (cobbles and pebbles) MC1215 - Halcampa chrysanthellum and Edwardsia timida on sublittoral clean stone gravel MC1216 - Moerella spp. with venerid bivalves in infralittoral gravelly sand MC12161 - Hesionura elongata and Microphthalmus similis with other interstitial polychaetes in infralittoral mobile coarse sand MC12162 - Glycera lapidum in impoverished infralittoral mobile gravel and sand MC12163 - Cumaceans and Chaetozone setosa in infralittoral gravelly sand MC1217 - Dense Lanice conchilega and other polychaetes in tide-swept infralittoral sand and mixed gravelly sand MC1218 - Circalittoral coarse sediment MC1219 - Pomatoceros triqueter with barnacles and bryozoan crusts on unstable circalittoral cobbles and pebbles MC121A - Mediomastus fragilis , Lumbrineris spp. and venerid bivalves in circalittoral coarse sand or gravel MC121B - Protodorvillea kefersteini and other polychaetes in impoverished circalittoral mixed gravelly sand MC122 - Branchiostoma lanceolatum in circalittoral coarse sand with shell gravel MC1221 - Deep circalittoral coarse sediment MC12211 - Glycera lapidum , Thyasira spp. and Amythasides macroglossus in offshore gravelly sand MC12212 - Hesionura elongata and Protodorvillea kefersteini in offshore coarse sand MC1223 - Sublittoral sand MC12231 - Sublittoral sand in low or reduced salinity MC12232 - Sublittoral sand in variable salinity (estuaries) MC1224 - Infralittoral mobile sand in variable salinity (estuaries) MC1225 - Nephtys cirrosa and Macoma balthica in variable salinity infralittoral mobile sand MC12251 - Neomysis integer and Gammarus spp. in fluctuating low salinity infralittoral mobile sand MC12252 - Infralittoral fine sand MC12253 - Infralittoral mobile clean sand with sparse fauna MC12254 - Sertularia cupressina and Hydrallmania falcata on tide-swept sublittoral sand with cobbles or pebbles MC12255 - Nephtys cirrosa and Bathyporeia spp. in infralittoral sand MC12256 - Semi-permanent tube-building amphipods and polychaetes in sublittoral sand MC1226 - Infralittoral muddy sand MC1227 - Amphiura brachiata with Astropecten irregularis and other echinoderms in circalittoral muddy sand MC1228 - Deep circalittoral sand MC1229 - Melinna palmata with Magelona spp. and Thyasira spp. in infralittoral sandy mud MC1229 - Amphiura filiformis and Nuculoma tenuis in circalittoral and offshore muddy sand MC12291 - Virgularia mirabilis and Ophiura spp. with Pecten maximus on circalittoral sandy or shelly mud MC12292 - Virgularia mirabilis and Ophiura spp. with Pecten maximus , hydroids and ascidians on circalittoral sandy or shelly mud with shells or stones MC123 - Aphelochaeta marioni and Tubificoides spp. in variable salinity infralittoral mud MC1231 - Nephtys hombergii and Tubificoides spp. in variable salinity infralittoral soft mud MC12311 - Infralittoral fluid mobile mud MC12312 - Capitella capitata and Tubificoides spp. in reduced salinity infralittoral muddy sediment MC1232 - Oligochaetes in variable or reduced salinity infralittoral muddy sediment MC1233 - Limnodrilus hoffmeisteri , Tubifex tubifex and Gammarus spp. in low salinity infralittoral muddy sediment MC1234 - Infralittoral sandy mud MC12341 - Nephtys hombergii and Macoma balthica in infralittoral sandy mud MC12342 - Sagartiogeton undatus and Ascidiella aspersa on infralittoral sandy mud MC124 - Maldanid polychaetes and Eudorellopsis deformis in deep circalittoral sand or muddy sand MC1241 - Owenia fusiformis and Amphiura filiformis in deep circalittoral sand or muddy sand MC12411 - Sublittoral mud MC12412 - Sublittoral mud in low or reduced salinity MC1242 - Sublittoral mud in variable salinity (estuaries) MC125 - Circalittoral fine sand MC1251 - Echinocyamus pusillus , Ophelia borealis and Abra prismatica in circalittoral fine sand MC1252 - Abra prismatica , Bathyporeia elegans and polychaetes in circalittoral fine sand MC1253 - Circalittoral muddy sand MC126 - Ampelisca spp., Photis longicaudata and other tube-building amphipods and polychaetes in infralittoral sandy mud MC126 - Amphiura filiformis , Mysella bidentata and Abra nitida in circalittoral sandy mud MC1261 - Capitella capitata in enriched sublittoral muddy sediments MC1261 - Thyasira spp. and Nuculoma tenuis in circalittoral sandy mud MC127 - Infralittoral fine mud MC127 - Lagis koreni and Phaxas pellucidus in circalittoral sandy mud MC127 - Brissopsis lyrifera and Amphiura chiajei in circalittoral mud MC127 - Foraminiferans and Thyasira spp. in deep circalittoral soft mud MC1271 - Deep circalittoral mud MC1272 - Cerastoderma edule with Abra nitida in infralittoral mud MC1272 - Burrowing megafauna and Maxmuelleria lankesteri in circalittoral mud MC1273 - Arenicola marina in infralittoral mud MC1273 - Seapens, including Funiculina quadrangularis , and burrowing megafauna in undisturbed circalittoral fine mud MC1273 - Styela gelatinosa , Pseudamussium septemradiatum and solitary ascidians on sheltered deep circalittoral muddy sediment MC1274 - Philine aperta and Virgularia mirabilis in soft stable infralittoral mud MC1274 - Capitella capitata and Thyasira spp. in organically-enriched offshore circalittoral mud and sandy mud MC1275 - Levinsenia gracilis and Heteromastus filifirmis in offshore circalittoral mud and sandy mud MC1275 - Bubbling reefs in the aphotic zone MC128 - Echinocardium cordatum and Ensis spp. in lower shore and shallow sublittoral slightly muddy fine sand MC1281 - Fabulina fabula and Magelona mirabilis with venerid bivalves and amphipods in infralittoral compacted fine muddy sand MC12811 - Arenicola marina in infralittoral fine sand or muddy sand MC12812 - Spisula subtruncata and Nephtys hombergii in shallow muddy sand MC2 - Sublittoral biogenic reefs MC22 - Sublittoral biogenic reefs MC221 - Sublittoral polychaete worm reefs on sediment MC2211 - Sabellaria spinulosa on stable circalittoral mixed sediment MC2212 - Serpula vermicularis reefs on very sheltered circalittoral muddy sand MC222 - Circalittoral coral reefs MC2221 - Circalittoral Lophelia pertusa reefs MC223 - Abra alba and Nucula nitidosa in circalittoral muddy sand or slightly mixed sediment MC223 - Sublittoral mussel beds on sediment MC2231 - Modiolus modiolus beds with hydroids and red seaweeds on tide-swept circalittoral mixed substrata MC2232 - Modiolus modiolus beds on open coast circalittoral mixed sediment MC2233 - Modiolus modiolus beds with fine hydroids and large solitary ascidians on very sheltered circalittoral mixed substrata MC2234 - Modiolus modiolus beds with Chlamys varia , sponges, hydroids and bryozoans on slightly tide-swept very sheltered circalittoral mixed substrata MC2235 - Mytilus edulis beds on sublittoral sediment MC2236 - Hiatella arctica beds on silty clay with small pebbles and shells MC3 - Sabella pavonina with sponges and anemones on infralittoral mixed sediment MC3 - Phymatolithon calcareum maerl beds with red seaweeds in shallow infralittoral clean gravel or coarse sand MC3 - Loose-lying mats of Phyllophora crispa on infralittoral muddy sediment MC32 - Venerupis senegalensis , Amphipholis squamata and Apseudes latreilli in infralittoral mixed sediment MC32 - Phymatolithon calcareum maerl beds with Neopentadactyla mixta and other echinoderms in deeper infralittoral clean gravel or coarse sand MC32 - Filamentous green seaweeds on low salinity infralittoral mixed sediment or rock MC321 - Sublittoral seagrass beds MC3211 - Zostera beds in full salinity infralittoral sediments MC3212 - Zostera marina /angustifolia beds on lower shore or infralittoral clean or muddy sand MC3213 - Ruppia and Zannichellia communities MC3214 - Ruppia maritima in reduced salinity infralittoral muddy sand MC3215 - Angiosperm communities in reduced salinity MC3216 - Vegetation of brackish waters dominated by Phragmites australis MC4 - Sublittoral mixed sediments MC4 - Circalittoral mixed sediments MC4 - Limaria hians beds in tide-swept sublittoral muddy mixed sediment MC42 - Sublittoral mixed sediments MC42 - Circalittoral mixed sediments MC42 - Ostrea edulis beds on shallow sublittoral muddy mixed sediment MC421 - Circalittoral mixed sediments MC4211 - Cerianthus lloydii and other burrowing anemones in circalittoral muddy mixed sediment MC42111 - Cerianthus lloydii with Nemertesia spp. and other hydroids in circalittoral muddy mixed sediment MC4212 - Sparse Modiolus modiolus , dense Cerianthus lloydii and burrowing holothurians on sheltered circalittoral stones and mixed sediment MC4213 - Mysella bidentata and Thyasira spp. in circalittoral muddy mixed sediment MC4214 - Flustra foliacea and Hydrallmania falcata on tide-swept circalittoral mixed sediment MC4215 - Ophiothrix fragilis and/or Ophiocomina nigra brittlestar beds on sublittoral mixed sediment MC4216 - Sandy mixed sediment with Alcyonidium diaphanum MC5 - Sublittoral mussel beds on sediment MC5 - Deep-sea bioherms MC5 - Permanently submerged flanks of oceanic islands MC5 - Circalittoral mixed sediments MC52 - Modiolus modiolus beds with hydroids and red seaweeds on tide-swept circalittoral mixed substrata MC52 - Communities of deep-sea corals MC52 - Seamounts, knolls and banks MC52 - Cerianthus lloydii and other burrowing anemones in circalittoral muddy mixed sediment MC521 - Deep-sea Lophelia pertusa reefs MC521 - Oceanic ridges MC5211 - Deep-sea sponge aggregations MC5212 - Facies with Pheronema grayi MC5213 - Raised features of the deep-sea bed MC5214 - Carbonate mounds MC5215 - Deep-sea trenches and canyons, channels, slope failures and slumps on the continental slope MC6 - Verrucaria maura on littoral fringe rock MC6 - Circalittoral sandy mud MC6 - Circalittoral fine mud MC6 - Cerianthus lloydii with Nemertesia spp. and other hydroids in circalittoral muddy mixed sediment MC6111 - Spiochaetopterus beneath high salinity Atlantic water MC62 - Verrucaria maura and sparse barnacles on exposed littoral fringe rock MC62 - Circalittoral sandy mud MC62 - Circalittoral fine mud MC62 - Sparse Modiolus modiolus , dense Cerianthus lloydii and burrowing holothurians on sheltered circalittoral stones and mixed sediment MC621 - Periodically and permanently anoxic sublittoral muds MC621 - Circalittoral sandy mud MC621 - Circalittoral fine mud MC6211 - Amphiura filiformis , Mysella bidentata and Abra nitida in circalittoral sandy mud MC6212 - Thyasira spp. and Nuculoma tenuis in circalittoral sandy mud MC6213 - Amphiura filiformis and Nuculoma tenuis in circalittoral and offshore muddy sand MC6214 - Virgularia mirabilis and Ophiura spp. with Pecten maximus on circalittoral sandy or shelly mud MC62141 - Virgularia mirabilis and Ophiura spp. with Pecten maximus , hydroids and ascidians on circalittoral sandy or shelly mud with shells or stones MC6215 - Lagis koreni and Phaxas pellucidus in circalittoral sandy mud MC6216 - Seapens and burrowing megafauna in circalittoral fine mud MC62161 - Seapens, including Funiculina quadrangularis , and burrowing megafauna in undisturbed circalittoral fine mud MC6217 - Burrowing megafauna and Maxmuelleria lankesteri in circalittoral mud MC6218 - Brissopsis lyrifera and Amphiura chiajei in circalittoral mud MC6219 - Organically-enriched or anoxic sublittoral habitats MC6219 - Beggiatoa spp. on anoxic sublittoral mud MC6219 - Features of sublittoral sediments MC622 - Features of sublittoral sediments MC622 - Seeps and vents in sublittoral sediments MC622 - Oil seeps in sublittoral sediments MC622 - Vents in sublittoral sediments MC6221 - Methane seeps in sublittoral sediments MC6222 - Seeps and vents in sublittoral sediments MD1 - Large solitary ascidians and erect sponges on wave-sheltered circalittoral rock MD12 - Antedon spp., solitary ascidians and fine hydroids on sheltered circalittoral rock MD121 - Circalittoral fouling faunal communities MD1211 - Alcyonium digitatum and Metridium senile on moderately wave-exposed circalittoral steel wrecks MD122 - Ocnus planci aggregations on sheltered sublittoral muddy sediment MD122 - Circalittoral fine mud MD122 - Ampharete falcata turf with Parvicardium ovale on cohesive muddy sediment near margins of deep stratified seas MD122 - Capitella capitata , Thyasira spp. and Ophryotrocha dubia inorganically-enriched offshore circalittoral mud or sandy mud MD1221 - Seapens and burrowing megafauna in circalittoral fine mud MD1221 - Paramphinome jeffreysii , Thyasira spp. and Amphiura filiformis in offshore circalittoral sandy mud MD1221 - Bubbling reefs in the aphotic zone MD2 - Sublittoral biogenic reefs MD22 - Sublittoral biogenic reefs MD221 - Circalittoral coral reefs MD2211 - Circalittoral Lophelia pertusa reefs MD3 - Association with Potamogeton pectinatus MD3 - Mysella bidentata and Thyasira spp. in circalittoral muddy mixed sediment MD3 - Lithophyllum fasciculatum maerl beds on infralittoral mud MD32 - Zostera beds in reduced salinity infralittoral sediments MD32 - Flustra foliacea and Hydrallmania falcata on tide-swept circalittoral mixed sediment MD321 - Sublittoral biogenic reefs MD3211 - Sublittoral polychaete worm reefs on sediment MD3212 - Sabellaria spinulosa on stable circalittoral mixed sediment MD4 - Sublittoral mixed sediments MD4 - Deep circalittoral mixed sediments MD4 - Ophiothrix fragilis and/or Ophiocomina nigra brittlestar beds on sublittoral mixed sediment MD42 - Sublittoral mixed sediments MD42 - Deep circalittoral mixed sediments MD42 - Deep circalittoral mixed sediments MD421 - Deep circalittoral mixed sediments MD4211 - Polychaete-rich deep Venus community in offshore mixed sediments MD5 - Modiolus modiolus beds on open coast circalittoral mixed sediment MD5 - Canyons, channels, slope failures and slumps on the continental slope MD5 - Polychaete-rich deep Venus community in offshore mixed sediments MD52 - Modiolus modiolus beds with fine hydroids and large solitary ascidians on very sheltered circalittoral mixed substrata MD52 - Deep-sea trenches MD52 - Sublittoral macrophyte-dominated sediment MD521 - Vents, seeps, hypoxic and anoxic habitats of the deep sea MD5211 - Supralittoral rock (lichen or splash zone) MD5212 - Lichens or small green algae on supralittoral and littoral fringe rock MD6 - Verrucaria maura on very exposed to very sheltered upper littoral fringe rock MD6 - Deep circalittoral mud MD6 - Maerl beds MD62 - Blidingia spp. on vertical littoral fringe chalk MD62 - Deep circalittoral mud MD62 - Phymatolithon calcareum maerl beds in infralittoral clean gravel or coarse sand MD621 - Periodically and permanently anoxic sublittoral muds MD621 - Deep circalittoral mud MD6211 - Silty sediments > 140 m with polychaetes Lumbrineris fragilis , Levinsenia gracilis and amphipods Eriopisa elongata MD6212 - Macoma calcarea in deep-water soft clayey mud MD6213 - Ampharete falcata turf with Parvicardium ovale on cohesive muddy sediment near margins of deep stratified seas MD6214 - Foraminiferans and Thyasira spp. in deep circalittoral soft mud MD6215 - Styela gelatinosa , Pseudamussium septemradiatum and solitary ascidians on sheltered deep circalittoral muddy sediment MD6216 - Capitella capitata and Thyasira spp. in organically-enriched offshore circalittoral mud and sandy mud MD62161 - Capitella capitata , Thyasira spp. and Ophryotrocha dubia inorganically-enriched offshore circalittoral mud or sandy mud MD6217 - Levinsenia gracilis and Heteromastus filifirmis in offshore circalittoral mud and sandy mud MD6218 - Paramphinome jeffreysii , Thyasira spp. and Amphiura filiformis in offshore circalittoral sandy mud MD6219 - Myrtea spinifera and polychaetes in offshore circalittoral sandy mud MD621A - Organically-enriched or anoxic sublittoral habitats MD621A - Beggiatoa spp. on anoxic sublittoral mud MD621A - Features of sublittoral sediments MD622 - Vents in sublittoral sediments MD622 - Features of sublittoral sediments MD622 - Seeps and vents in sublittoral sediments MD622 - Oil seeps in sublittoral sediments MD6221 - Methane seeps in sublittoral sediments MD6222 - Seeps and vents in sublittoral sediments ME1 - Deep-sea trenches ME1 - Vents, seeps, hypoxic and anoxic habitats of the deep sea ME1 - Deep-sea bed ME1 - Deep-sea reducing habitats ME1 - Seeps in the deep-sea ME1 - Gas hydrates in deep-sea ME1 - Deep-sea bed influenced by hypoxic water column ME1 - Vents in the deep sea ME1 - Active vent fields ME1 - Inactive vent fields ME1 - Deep-sea rock and artificial hard substrata ME1 - Deep-sea artificial hard substrata ME1 - Deep-sea manganese nodules ME1 - Boulders on the deep-sea bed ME1 - Deep-sea lag deposits ME1 - Deep-sea calcareous pavements ME1 - Raised features of the deep-sea bed ME1 - Permanently submerged flanks of oceanic islands ME1 - Seamounts, knolls and banks ME1 - Summit communities of seamount, knoll or bank within euphotic zone ME1 - Summit communities of seamount, knoll or bank within the mesopelagic zone, i.e. interacting with diurnally migrating plankton ME1 - Deep summit communities of seamount, knoll or bank (i.e. below mesopelagic zone) ME1 - Flanks of seamount, knoll or bank ME1 - Base of seamount, knoll or bank ME1 - Moat around base of seamount, knoll or bank ME1 - Oceanic ridges ME1 - Communities of ridge flanks ME1 - Communities of ridge axial trough (i.e. non-vent fauna) ME1 - Oceanic ridge without hydrothermal effects ME1 - Carbonate mounds ME1 - Deep-sea trenches and canyons, channels, slope failures and slumps on the continental slope ME1 - Canyons, channels, slope failures and slumps on the continental slope ME1 - Active downslope channels ME1 - Inactive downslope channels ME1 - Alongslope channels ME1 - Turbidites and fans ME12 - Vents, seeps, hypoxic and anoxic habitats of the deep sea ME12 - Deep-sea rock and artificial hard substrata ME121 - Deep-sea rock and artificial hard substrata ME1211 - Deep-sea bedrock ME1212 - Deep-sea bedrock ME1213 - Deep-sea bedrock ME1214 - Deep-sea bedrock ME122 - Deep-sea bedrock ME1221 - Deep-sea sponge aggregations ME1222 - Deep-sea sponge aggregations ME123 - Communities of deep-sea corals ME1231 - Communities of deep-sea corals ME2 - Deep-sea bed ME2 - Deep-sea bioherms ME21 - Deep-sea bed ME22 - Deep-sea bed ME22 - Deep-sea bioherms ME221 - Deep-sea bioherms ME2211 - Deep-sea Lophelia pertusa reefs ME2212 - Deep-sea Lophelia pertusa reefs ME3 - Deep-sea bed ME3 - Deep-sea biogenic gravels (shells, coral debris) ME32 - Deep-sea bed ME321 - Deep-sea bed ME3211 - Deep-sea bed ME3212 - Deep-sea bed ME3213 - Deep-sea bed ME3214 - Deep-sea bed ME3214 - Deep-sea biogenic gravels (shells, coral debris) ME3215 - Deep-sea bed ME322 - Deep-sea bed ME3221 - Deep-sea bed ME323 - Deep-sea bed ME3231 - Deep-sea bed ME324 - Deep-sea bed ME3241 - Deep-sea bed ME4 - Deep-sea bed ME4 - Deep-sea mixed substrata ME4 - Deep-sea biogenic gravels (shells, coral debris) ME4 - Communities of allochthonous material ME4 - Communities of macrophyte debris ME42 - Deep-sea bed ME42 - Deep-sea mixed substrata ME421 - Deep-sea mixed substrata ME4211 - Deep-sea mixed substrata ME422 - Deep-sea mixed substrata ME4221 - Deep-sea mixed substrata ME5 - Deep-sea bed ME5 - Deep-sea sand ME5 - Deep-sea muddy sand ME52 - Deep-sea bed ME52 - Deep-sea sand ME52 - Deep-sea muddy sand ME521 - Deep-sea sand ME5211 - Deep-sea sand ME5212 - Deep-sea sand ME5213 - Deep-sea sand ME522 - Deep-sea sand ME6 - Vents, seeps, hypoxic and anoxic habitats of the deep sea ME6 - Deep-sea bed ME6 - Deep-sea mud ME62 - Vents, seeps, hypoxic and anoxic habitats of the deep sea ME62 - Deep-sea bed ME62 - Deep-sea mud ME621 - Deep-sea mud ME6211 - Deep-sea mud ME6212 - Deep-sea mud ME622 - Deep-sea mud ME6221 - Deep-sea mud ME623 - Deep-sea mud ME6231 - Deep-sea mud ME624 - Deep-sea mud ME6241 - Deep-sea mud ME625 - Deep-sea mud ME6251 - Deep-sea mud ME626 - Deep-sea mud MF1 - Deep-sea trenches MF1 - Vents, seeps, hypoxic and anoxic habitats of the deep sea MF1 - Deep-sea reducing habitats MF1 - Seeps in the deep-sea MF1 - Gas hydrates in deep-sea MF1 - Deep-sea bed influenced by hypoxic water column MF1 - Vents in the deep sea MF1 - Deep-sea bed MF1 - Active vent fields MF1 - Inactive vent fields MF1 - Deep-sea rock and artificial hard substrata MF1 - Deep-sea artificial hard substrata MF1 - Deep-sea manganese nodules MF1 - Boulders on the deep-sea bed MF1 - Deep-sea lag deposits MF1 - Deep-sea calcareous pavements MF1 - Raised features of the deep-sea bed MF1 - Permanently submerged flanks of oceanic islands MF1 - Seamounts, knolls and banks MF1 - Summit communities of seamount, knoll or bank within euphotic zone MF1 - Summit communities of seamount, knoll or bank within the mesopelagic zone, i.e. interacting with diurnally migrating plankton MF1 - Deep summit communities of seamount, knoll or bank (i.e. below mesopelagic zone) MF1 - Flanks of seamount, knoll or bank MF1 - Base of seamount, knoll or bank MF1 - Moat around base of seamount, knoll or bank MF1 - Oceanic ridges MF1 - Communities of ridge flanks MF1 - Communities of ridge axial trough (i.e. non-vent fauna) MF1 - Oceanic ridge without hydrothermal effects MF1 - Carbonate mounds MF1 - Deep-sea trenches and canyons, channels, slope failures and slumps on the continental slope MF1 - Canyons, channels, slope failures and slumps on the continental slope MF1 - Active downslope channels MF1 - Inactive downslope channels MF1 - Alongslope channels MF1 - Turbidites and fans MF12 - Vents, seeps, hypoxic and anoxic habitats of the deep sea MF12 - Deep-sea bed MF12 - Deep-sea rock and artificial hard substrata MF121 - Deep-sea rock and artificial hard substrata MF1211 - Deep-sea rock and artificial hard substrata MF2 - Deep-sea bed MF2 - Deep-sea bioherms MF22 - Deep-sea bed MF22 - Deep-sea bioherms MF221 - Deep-sea bioherms MF2211 - Deep-sea bioherms MF2212 - Deep-sea bioherms MF3 - Deep-sea bed MF3 - Deep-sea biogenic gravels (shells, coral debris) MF32 - Deep-sea bed MF321 - Deep-sea bed MF3211 - Deep-sea bed MF3211 - Deep-sea biogenic gravels (shells, coral debris) MF322 - Deep-sea bed MF323 - Deep-sea bed MF3231 - Deep-sea bed MF4 - Deep-sea bed MF4 - Deep-sea mixed substrata MF4 - Deep-sea biogenic gravels (shells, coral debris) MF4 - Communities of allochthonous material MF4 - Communities of macrophyte debris MF42 - Deep-sea bed MF42 - Deep-sea mixed substrata MF421 - Deep-sea mixed substrata MF4211 - Deep-sea mixed substrata MF422 - Deep-sea mixed substrata MF4221 - Deep-sea mixed substrata MF5 - Deep-sea bed MF5 - Deep-sea sand MF5 - Deep-sea muddy sand MF52 - Deep-sea bed MF52 - Deep-sea sand MF52 - Deep-sea muddy sand MF521 - Deep-sea sand MF521 - Deep-sea muddy sand MF5211 - Deep-sea sand MF5211 - Deep-sea muddy sand MF6 - Vents, seeps, hypoxic and anoxic habitats of the deep sea MF6 - Deep-sea bed MF6 - Deep-sea mud MF62 - Vents, seeps, hypoxic and anoxic habitats of the deep sea MF62 - Deep-sea bed MF62 - Deep-sea mud MF621 - Deep-sea mud MF6211 - Deep-sea mud MF6212 - Deep-sea mud MF622 - Deep-sea mud MF6221 - Deep-sea mud MF623 - Deep-sea mud MF6231 - Deep-sea mud MF624 - Deep-sea mud MF6241 - Deep-sea mud MF625 - Deep-sea mud MG1 - Deep-sea trenches MG1 - Vents, seeps, hypoxic and anoxic habitats of the deep sea MG1 - Deep-sea reducing habitats MG1 - Seeps in the deep-sea MG1 - Gas hydrates in deep-sea MG1 - Deep-sea bed influenced by hypoxic water column MG1 - Vents in the deep sea MG1 - Active vent fields MG1 - Inactive vent fields MG1 - Deep-sea bed MG1 - Deep-sea rock and artificial hard substrata MG1 - Deep-sea artificial hard substrata MG1 - Deep-sea manganese nodules MG1 - Boulders on the deep-sea bed MG1 - Deep-sea lag deposits MG1 - Deep-sea calcareous pavements MG1 - Raised features of the deep-sea bed MG1 - Permanently submerged flanks of oceanic islands MG1 - Seamounts, knolls and banks MG1 - Summit communities of seamount, knoll or bank within euphotic zone MG1 - Summit communities of seamount, knoll or bank within the mesopelagic zone, i.e. interacting with diurnally migrating plankton MG1 - Deep summit communities of seamount, knoll or bank (i.e. below mesopelagic zone) MG1 - Flanks of seamount, knoll or bank MG1 - Base of seamount, knoll or bank MG1 - Moat around base of seamount, knoll or bank MG1 - Oceanic ridges MG1 - Communities of ridge flanks MG1 - Communities of ridge axial trough (i.e. non-vent fauna) MG1 - Oceanic ridge without hydrothermal effects MG1 - Abyssal hills MG1 - Carbonate mounds MG1 - Deep-sea trenches and canyons, channels, slope failures and slumps on the continental slope MG1 - Canyons, channels, slope failures and slumps on the continental slope MG1 - Active downslope channels MG1 - Inactive downslope channels MG1 - Alongslope channels MG1 - Turbidites and fans MG12 - Vents, seeps, hypoxic and anoxic habitats of the deep sea MG12 - Deep-sea bed MG12 - Deep-sea rock and artificial hard substrata MG2 - Deep-sea bed MG2 - Deep-sea bioherms MG22 - Deep-sea bed MG22 - Deep-sea bioherms MG3 - Deep-sea bed MG3 - Deep-sea biogenic gravels (shells, coral debris) MG3 - Abyssal hills MG32 - Deep-sea bed MG4 - Deep-sea bed MG4 - Deep-sea mixed substrata MG4 - Deep-sea biogenic gravels (shells, coral debris) MG4 - Communities of allochthonous material MG4 - Communities of macrophyte debris MG4 - Abyssal hills MG42 - Deep-sea bed MG42 - Deep-sea mixed substrata MG5 - Deep-sea bed MG5 - Deep-sea sand MG5 - Deep-sea muddy sand MG5 - Abyssal hills MG51 - Deep-sea bed MG52 - Deep-sea sand MG52 - Deep-sea muddy sand MG6 - Vents, seeps, hypoxic and anoxic habitats of the deep sea MG6 - Deep-sea bed MG6 - Deep-sea mud MG6 - Abyssal hills MG62 - Vents, seeps, hypoxic and anoxic habitats of the deep sea MG62 - Deep-sea bed MG62 - Deep-sea mud MG621 - Deep-sea mud MG6211 - Deep-sea mud MG6212 - Deep-sea mud MG6213 - Deep-sea mud MG6214 - Deep-sea mud MG622 - Deep-sea mud
EUNIS Level 3[Required field] select EUNIS L3 code A - Marine habitats A1 - Littoral rock and other hard substrata A1.1 - High energy littoral rock A1.1 - Mussel and/or barnacle communities A1.1 - Mytilus edulis and barnacles on very exposed eulittoral rock A1.1 - Chthamalus spp. on exposed upper eulittoral rock A1.1 - Chthamalus montagui and Chthamalus stellatus on exposed upper eulittoral rock A1.1 - Chthamalus spp. and Lichina pygmaea on steep exposed upper eulittoral rock A1.1 - Semibalanus balanoides on exposed to moderately exposed or vertical sheltered eulittoral rock A1.1 - Semibalanus balanoides , Patella vulgata and Littorina spp. on exposed to moderately exposed or vertical sheltered eulittoral rock A1.1 - Semibalanus balanoides , Fucus vesiculosus and red seaweeds on exposed to moderately exposed eulittoral rock A1.1 - Semibalanus balanoides and Littorina spp. on exposed to moderately exposed eulittoral boulders and cobbles A1.1 - Robust fucoid and/or red seaweed communities A1.1 - Fucus distichus and Fucus spiralis f. nana on extremely exposed upper eulittoral rock A1.1 - Corallina officinalis on exposed to moderately exposed lower eulittoral rock A1.1 - Corallina officinalis and Mastocarpus stellatus on exposed to moderately exposed lower eulittoral rock A1.1 - Corallina officinalis , Himanthalia elongata and Patella ulyssiponensis on very exposed lower eulittoral rock A1.1 - Himanthalia elongata and red seaweeds on exposed lower eulittoral rock A1.1 - Palmaria palmata on very exposed to moderately exposed lower eulittoral rock A1.1 - Mastocarpus stellatus and Chondrus crispus on very exposed to moderately exposed lower eulittoral rock A1.1 - Osmundea pinnatifida on moderately exposed mid eulittoral rock A1.1 - Ceramium sp. and piddocks on eulittoral fossilised peat A1.1 - Fucoids in tide-swept conditions A1.1 - Ascophyllum nodosum , sponges and ascidians on tide-swept mid eulittoral rock A1.1 - Fucus serratus , sponges and ascidians on tide-swept lower eulittoral rock A1.1 - Fucus serratus with sponges, ascidians and red seaweeds on tide-swept lower eulittoral mixed substrata A1.2 - Moderate energy littoral rock A1.2 - Barnacles and fucoids on moderately exposed shores A1.2 - Pelvetia canaliculata and barnacles on moderately exposed littoral fringe rock A1.2 - Fucus spiralis on full salinity exposed to moderately exposed upper eulittoral rock A1.2 - Fucus vesiculosus and barnacle mosaics on moderately exposed mid eulittoral rock A1.2 - Fucus serratus on moderately exposed lower eulittoral rock A1.2 - Fucus serratus and red seaweeds on moderately exposed lower eulittoral rock A1.2 - Fucus serratus and under-boulder fauna on exposed to moderately exposed lower eulittoral boulders A1.2 - Fucus serratus and piddocks on lower eulittoral soft rock A1.2 - Rhodothamniella floridula on sand-scoured lower eulittoral rock A1.2 - Mussels and fucoids on moderately exposed shores A1.2 - Mytilus edulis and Fucus vesiculosus on moderately exposed mid eulittoral rock A1.2 - Mytilus edulis , Fucus serratus and red seaweeds on moderately exposed lower eulittoral rock A1.2 - Mytilus edulis and piddocks on eulittoral firm clay A1.3 - Low energy littoral rock A1.3 - Fucoids on sheltered marine shores A1.3 - Pelvetia canaliculata on sheltered littoral fringe rock A1.3 - Fucus spiralis on sheltered upper eulittoral rock A1.3 - Fucus spiralis on full salinity sheltered upper eulittoral rock A1.3 - Fucus spiralis on full salinity upper eulittoral mixed substrata A1.3 - Fucus vesiculosus on moderately exposed to sheltered mid eulittoral rock A1.3 - Fucus vesiculosus on full salinity moderately exposed to sheltered mid eulittoral rock A1.3 - Fucus vesiculosus on mid eulittoral mixed substrata A1.3 - Ascophyllum nodosum on very sheltered mid eulittoral rock A1.3 - Ascophyllum nodosum on full salinity mid eulittoral rock A1.3 - Ascophyllum nodosum on full salinity mid eulittoral mixed substrata A1.3 - Fucus serratus on sheltered lower eulittoral rock A1.3 - Fucus serratus on full salinity sheltered lower eulittoral rock A1.3 - Fucus serratus on full salinity lower eulittoral mixed substrata A1.3 - Fucoids in variable salinity A1.3 - Pelvetia canaliculata on sheltered variable salinity littoral fringe rock A1.3 - Fucus spiralis on sheltered variable salinity upper eulittoral rock A1.3 - Fucus vesiculosus on variable salinity mid eulittoral boulders and stable mixed substrata A1.3 - Ascophyllum nodosum and Fucus vesiculosus on variable salinity mid eulittoral rock A1.3 - Ascophyllum nodosum ecad. mackaii beds on extremely sheltered mid eulittoral mixed substrata A1.3 - Fucus serratus and large Mytilus edulis on variable salinity lower eulittoral rock A1.3 - Fucus ceranoides on reduced salinity eulittoral rock A1.4 - Features of littoral rock A1.4 - Communities of littoral rockpools A1.4 - Coralline crust-dominated shallow eulittoral rockpools A1.4 - Coralline crusts and Corallina officinalis in shallow eulittoral rockpools A1.4 - Coralline crusts and Paracentrotus lividus in shallow eulittoral rockpools A1.4 - Bifurcaria bifurcata in shallow eulittoral rockpools A1.4 - Cystoseira spp. in eulittoral rockpools A1.4 - Fucoids and kelp in deep eulittoral rockpools A1.4 - Sargassum muticum in eulittoral rockpools A1.4 - Seaweeds in sediment-floored eulittoral rockpools A1.4 - Hydroids, ephemeral seaweeds and Littorina littorea in shallow eulittoral mixed substrata pools A1.4 - Communities of rockpools in the supralittoral zone A1.4 - Green seaweeds (Enteromorpha spp. and Cladophora spp.) in shallow upper shore rockpools A1.4 - Communities of littoral caves and overhangs A1.4 - Chrysophyceae and Haptophyceae on vertical upper littoral fringe soft rock A1.4 - Green algal films on upper and mid-shore cave walls and ceilings A1.4 - Audouinella purpurea and Pilinia maritima crusts on upper and mid-shore cave walls and ceilings A1.4 - Audouinella purpurea and Cladophora rupestris on upper to mid-shore cave walls A1.4 - Verrucaria mucosa and/or Hildenbrandia rubra on upper to mid shore cave walls A1.4 - Sponges and shade-tolerant red seaweeds on overhanging lower eulittoral bedrock and in cave entrances A1.4 - Sponges, shade-tolerant red seaweeds and Dendrodoa grossularia on wave-surged overhanging lower eulittoral bedrock and caves A1.4 - Sponges, bryozoans and ascidians on deeply overhanging lower shore bedrock or caves A1.4 - Faunal crusts on wave-surged littoral cave walls A1.4 - Sparse fauna (barnacles and spirorbids) on sand/pebble-scoured rock in littoral caves A1.4 - Barren and/or boulder-scoured littoral cave walls and floors A1.4 - Ephemeral green or red seaweeds (freshwater or sand-influenced) on non-mobile substrata A1.4 - Enteromorpha spp. on freshwater-influenced and/or unstable upper eulittoral rock A1.4 - Porphyra purpurea or Enteromorpha spp. on sand-scoured mid or lower eulittoral rock A2 - Littoral sediment A2.1 - Littoral coarse sediment A2.1 - Shingle (pebble) and gravel shores A2.1 - Barren littoral shingle A2.1 - Pectenogammarus planicrurus in mid shore well-sorted gravel or coarse sand A2.2 - Littoral sand and muddy sand A2.2 - Strandline A2.2 - Talitrids on the upper shore and strandline A2.2 - Mytilus edulis and Fabricia sabella in littoral mixed sediment A2.2 - Barren or amphipod-dominated mobile sand shores A2.2 - Barren littoral coarse sand A2.2 - Oligochaetes in littoral mobile sand A2.2 - Oligochaetes in full salinity littoral mobile sand A2.2 - Oligochaetes in variable salinity littoral mobile sand A2.2 - Amphipods and Scolelepis spp. in littoral medium-fine sand A2.2 - Scolelepis spp. in littoral mobile sand A2.2 - Eurydice pulchra in littoral mobile sand A2.2 - Pontocrates arenarius in littoral mobile sand A2.2 - Polychaete/amphipod-dominated fine sand shores A2.2 - Polychaetes in littoral fine sand A2.2 - Polychaetes, including Paraonis fulgens , in littoral fine sand A2.2 - Polychaetes and Angulus tenuis in littoral fine sand A2.2 - Nephtys cirrosa -dominated littoral fine sand A2.2 - Polychaete/bivalve-dominated muddy sand shores A2.2 - Macoma balthica and Arenicola marina in muddy sand shores A2.2 - Cerastoderma edule and polychaetes in littoral muddy sand A2.2 - Hediste diversicolor , Macoma balthica and Eteone longa in littoral muddy sand A2.2 - Bathyporeia pilosa and Corophium arenarium in littoral muddy sand A2.2 - Lanice conchilega in littoral sand A2.3 - Littoral mud A2.3 - Polychaete/bivalve-dominated mid estuarine mud shores A2.3 - Nephtys hombergii , Macoma balthica and Streblospio shrubsolii in littoral sandy mud A2.3 - Hediste diversicolor and Macoma balthica in littoral sandy mud A2.3 - Hediste diversicolor , Macoma balthica and Scrobicularia plana in littoral sandy mud A2.3 - Polychaete/oligochaete-dominated upper estuarine mud shores A2.3 - Nephtys hombergii and Streblospio shrubsolii in littoral mud A2.3 - Hediste diversicolor in littoral mud A2.3 - Hediste diversicolor and Streblospio shrubsolii in littoral sandy mud A2.3 - Hediste diversicolor and Corophium volutator in littoral mud A2.3 - Hediste diversicolor and oligochaetes in littoral mud A2.3 - Tubificoides benedii and other oligochaetes in littoral mud A2.3 - Saltmarsh pools A2.3 - Saltmarsh creeks A2.3 - Erosion faces with Carcinus maenas A2.4 - Littoral mixed sediments A2.4 - Hediste diversicolor dominated gravelly sandy mud shores A2.4 - Hediste diversicolor in littoral gravelly muddy sand and gravelly sandy mud A2.4 - Hediste diversicolor and Macoma balthica in littoral gravelly mud A2.4 - Hediste diversicolor and Scrobicularia plana in littoral gravelly mud A2.4 - Hediste diversicolor and Streblospio shrubsolii in littoral gravelly sandy mud A2.4 - Hediste diversicolor , cirratulids and Tubificoides spp. in littoral gravelly sandy mud A2.4 - Hediste diversicolor and Corophium volutator in littoral gravelly sandy mud A2.4 - Species-rich mixed sediment shores A2.4 - Cirratulids and Cerastoderma edule in littoral mixed sediment A2.4 - Species-poor mixed sediment shores A2.4 - Barnacles and Littorina spp. on unstable eulittoral mixed substrata A2.5 - Coastal saltmarshes and saline reedbeds A2.5 - Saltmarsh driftlines A2.5 - Atlantic saltmarsh and drift rough grass communities A2.5 - Elymus pycnanthus with Suaeda vera or Inula crithmoides saltmarsh driftlines A2.5 - Elymus repens saltmarsh driftlines A2.5 - Suaeda vera saltmarsh driftlines A2.5 - Suaeda vera - Limonium binervosum saltmarsh driftlines A2.5 - Spergularia marina - Puccinellia distans saltmarsh driftlines A2.5 - Frankenia laevis - Halimione portulacoides saltmarsh driftlines A2.5 - Inula crithmoides on saltmarshes A2.5 - Sagina maritima ephemeral salt marsh in sand A2.5 - Upper saltmarshes A2.5 - Atlantic and Baltic brackish saltmarsh communities A2.5 - Atlantic salt scrubs A2.5 - Atlantic salt scrubs A2.5 - Atlantic salt scrubs A2.5 - Mid-upper saltmarshes and saline and brackish reed, rush and sedge beds A2.5 - Atlantic upper shore communities A2.5 - Atlantic upper shore communities A2.5 - Atlantic upper shore communities A2.5 - Atlantic upper shore communities A2.5 - Atlantic upper shore communities A2.5 - Atlantic upper shore communities A2.5 - Atlantic upper shore communities A2.5 - Atlantic upper shore communities A2.5 - Juncus maritimus mid-upper saltmarshes A2.5 - Juncus maritimus mid-upper saltmarshes with Triglochin maritima A2.5 - Eleocharis uniglumis mid-upper saltmarshes A2.5 - Blysmus rufus mid-upper saltmarshes A2.5 - Mid-upper saltmarshes: Artemisia maritima with Festuca rubra , or open canopy of Artemisia maritima and Halimione A2.5 - Festuca rubra mid-upper saltmarshes A2.5 - Mid-upper saltmarshes: sub-communities of Festuca rubra with Agrostis stolonifera , Juncus gerardi , Puccinellia maritima , Glaux maritima , Triglochin maritima , Armeria maritima and Plantago maritima A2.5 - Low-mid saltmarshes A2.5 - Atlantic saltmarsh grass lawns A2.5 - Atlantic lower shore communities A2.5 - Atlantic lower shore communities A2.5 - Atlantic lower shore communities A2.5 - Atlantic lower shore communities A2.5 - Halimione portulacoides low-mid saltmarshes A2.5 - Annual Salicornia , Suaeda and Puccinellia maritima low-mid saltmarshes A2.5 - Pioneer saltmarshes A2.5 - Salicornia , Suaeda and Salsola pioneer saltmarshes A2.5 - Salicornia , Suaeda and Salsola pioneer saltmarshes A2.5 - Suaeda maritima pioneer saltmarshes A2.5 - Salicornia spp. pioneer saltmarshes A2.5 - Atlantic Sagina maritima communities A2.5 - Flat-leaved Spartina swards A2.5 - Flat-leaved Spartina swards A2.5 - Flat-leaved Spartina swards A2.5 - Spartina anglica pioneer saltmarshes A2.5 - Spartina alterniflora with Spartina anglica , Puccinellia maritima and Aster tripolium A2.5 - Spartina maritima pioneer saltmarshes A2.5 - Rayed Aster tripolium pioneer saltmarshes A2.5 - Aster tripolium var. discoides pioneer saltmarshes A2.5 - Arthrocnemum perenne pioneer saltmarshes, sometimes with Halimione , Puccinellia and Suaeda A2.6 - Littoral sediments dominated by aquatic angiosperms A2.6 - Seagrass beds on littoral sediments A2.6 - Zostera noltii beds in littoral muddy sand A2.7 - Littoral biogenic reefs A2.7 - Littoral Sabellaria reefs A2.7 - Sabellaria alveolata reefs on sand-abraded eulittoral rock A2.7 - Littoral mussel beds on sediment A2.7 - Mytilus edulis beds on littoral sediments A2.7 - Mytilus edulis beds on littoral mixed substrata A2.7 - Mytilus edulis beds on littoral sand A2.7 - Mytilus edulis beds on littoral mud A2.8 - Features of littoral sediment A2.8 - Ephemeral green or red seaweeds (freshwater or sand-influenced) on mobile substrata A2.8 - Ephemeral green and red seaweeds on variable salinity and/or disturbed eulittoral mixed substrata A3 - Infralittoral rock and other hard substrata A3.1 - Atlantic and Mediterranean high energy infralittoral rock A3.1 - Kelp with cushion fauna and/or foliose red seaweeds A3.1 - Alaria esculenta on exposed sublittoral fringe bedrock A3.1 - Alaria esculenta , Mytilus edulis and coralline crusts on very exposed sublittoral fringe bedrock A3.1 - Alaria esculenta and Laminaria digitata on exposed sublittoral fringe bedrock A3.1 - Alaria esculenta forest with dense anemones and crustose sponges on extremely exposed infralittoral bedrock A3.1 - Laminaria hyperborea forest with a faunal cushion (sponges and polyclinids) and foliose red seaweeds on very exposed infralittoral rock A3.1 - Sparse Laminaria hyperborea and dense Paracentrotus lividus on exposed infralittoral limestone A3.1 - Laminaria hyperborea with dense foliose red seaweeds on exposed infralittoral rock A3.1 - Laminaria hyperborea forest with dense foliose red seaweeds on exposed upper infralittoral rock A3.1 - Laminaria hyperborea park with dense foliose red seaweeds on exposed lower infralittoral rock A3.1 - Mixed Laminaria hyperborea and Laminaria ochroleuca forest on exposed infralittoral rock A3.1 - Foliose red seaweeds on exposed lower infralittoral rock A3.1 - Foliose red seaweeds with dense Dictyota dichotoma and/or Dictyopteris membranacea on exposed lower infralittoral rock A3.1 - Laminaria hyperborea and red seaweeds on exposed vertical rock A3.1 - Sediment-affected or disturbed kelp and seaweed communities A3.1 - Saccorhiza polyschides and other opportunistic kelps on disturbed upper infralittoral rock A3.1 - Laminaria saccharina and/or Saccorhiza polyschides on exposed infralittoral rock A3.1 - Laminaria saccharina , Chorda filum and dense red seaweeds on shallow unstable infralittoral boulders and cobbles A3.1 - Dense Desmarestia spp. with filamentous red seaweeds on exposed infralittoral cobbles, pebbles and bedrock A3.1 - Mixed kelps with scour-tolerant and opportunistic foliose red seaweeds on scoured or sand-covered infralittoral rock A3.1 - Halidrys siliquosa and mixed kelps on tide-swept infralittoral rock with coarse sediment A3.1 - Polyides rotundus , Ahnfeltia plicata and Chondrus crispus on sand-covered infralittoral rock A3.2 - Laminaria hyperborea park and foliose red seaweeds on moderately exposed lower infralittoral rock A3.2 - Grazed Laminaria hyperborea forest with coralline crusts on upper infralittoral rock A3.2 - Grazed Laminaria hyperborea park with coralline crusts on lower infralittoral rock A3.2 - Sabellaria spinulosa with kelp and red seaweeds on sand-influenced infralittoral rock A3.2 - Dense foliose red seaweeds on silty moderately exposed infralittoral rock A3.2 - Laminaria hyperborea on moderately exposed vertical rock A3.2 - Hiatella arctica and seaweeds on vertical limestone / chalk A3.2 - Kelp and seaweed communities in tide-swept sheltered conditions A3.2 - Laminaria digitata , ascidians and bryozoans on tide-swept sublittoral fringe rock A3.2 - Mixed kelp with foliose red seaweeds, sponges and ascidians on sheltered tide-swept infralittoral rock A3.2 - Mixed kelp and red seaweeds on infralittoral boulders, cobbles and gravel in tidal rapids A3.2 - Laminaria saccharina with foliose red seaweeds and ascidians on sheltered tide-swept infralittoral rock A3.2 - Filamentous red seaweeds, sponges and Balanus crenatus on tide-swept variable-salinity infralittoral rock A3.2 - Ostrea edulis beds on shallow sublittoral muddy mixed sediment A3.2 - Atlantic and Mediterranean moderate energy infralittoral rock A3.2 - Kelp and red seaweeds (moderate energy infralittoral rock) A3.2 - Laminaria digitata on moderately exposed sublittoral fringe rock A3.2 - Laminaria digitata on moderately exposed sublittoral fringe bedrock A3.2 - Laminaria digitata and under-boulder fauna on sublittoral fringe boulders A3.2 - Laminaria digitata and piddocks on sublittoral fringe soft rock A3.2 - Laminaria hyperborea on tide-swept, infralittoral rock A3.2 - Laminaria hyperborea forest, foliose red seaweeds and a diverse fauna on tide-swept upper infralittoral rock A3.2 - Laminaria hyperborea park with hydroids, bryozoans and sponges on tide-swept lower infralittoral rock A3.2 - Laminaria hyperborea on tide-swept infralittoral mixed substrata A3.2 - Laminaria hyperborea forest and foliose red seaweeds on tide-swept upper infralittoral mixed substrata A3.2 - Laminaria hyperborea park and foliose red seaweeds on tide-swept lower infralittoral mixed substrata A3.2 - Laminaria hyperborea and foliose red seaweeds on moderately exposed infralittoral rock A3.2 - Laminaria hyperborea forest and foliose red seaweeds on moderately exposed upper infralittoral rock A3.3 - Atlantic and Mediterranean low energy infralittoral rock A3.3 - Silted kelp on low energy infralittoral rock with full salinity A3.3 - Mixed Laminaria hyperborea and Laminaria ochroleuca forest on moderately exposed or sheltered infralittoral rock A3.3 - Mixed Laminaria hyperborea and Laminaria saccharina on sheltered infralittoral rock A3.3 - Mixed Laminaria hyperborea and Laminaria saccharina forest on sheltered upper infralittoral rock A3.3 - Mixed Laminaria hyperborea and Laminaria saccharina park on sheltered lower infralittoral rock A3.3 - Grazed, mixed Laminaria hyperborea and Laminaria saccharina on sheltered infralittoral rock A3.3 - Laminaria saccharina on very sheltered infralittoral rock A3.3 - Laminaria saccharina and Laminaria digitata on sheltered sublittoral fringe rock A3.3 - Laminaria saccharina forest on very sheltered upper infralittoral rock A3.3 - Laminaria saccharina park on very sheltered lower infralittoral rock A3.3 - Grazed Laminaria saccharina with Echinus , brittlestars and coralline crusts on sheltered infralittoral rock A3.3 - Silted cape-form Laminaria hyperborea on very sheltered infralittoral rock A3.3 - Sargassum muticum on shallow slightly tide-swept infralittoral mixed substrata A3.3 - Kelp in variable salinity on low energy infralittoral rock A3.3 - Codium spp. with red seaweeds and sparse Laminaria saccharina on shallow, heavily-silted, very sheltered infralittoral rock A3.3 - Laminaria saccharina and Psammechinus miliaris on variable salinity grazed infralittoral rock A3.3 - Laminaria saccharina with Phyllophora spp. and filamentous green seaweeds on variable or reduced salinity infralittoral rock A3.3 - Submerged fucoids, green or red seaweeds (low salinity infralittoral rock) A3.3 - Mixed fucoids, Chorda filum and green seaweeds on reduced salinity infralittoral rock A3.3 - Ascophyllum nodosum and epiphytic sponges and ascidians on variable salinity infralittoral rock A3.3 - Polyides rotundus and/or Furcellaria lumbricalis on reduced salinity infralittoral rock A3.3 - Fucus ceranoides and Enteromorpha spp. on low salinity infralittoral rock A3.3 - Faunal communities on variable or reduced salinity infralittoral rock A3.3 - Mytilus edulis beds on reduced salinity infralittoral rock A3.3 - Cordylophora caspia and Electra crustulenta on reduced salinity infralittoral rock A3.3 - Hartlaubella gelatinosa and Conopeum reticulum on low salinity infralittoral mixed substrata A3.7 - Features of infralittoral rock A3.7 - Robust faunal cushions and crusts in surge gullies and caves A3.7 - Foliose seaweeds and coralline crusts in surge gully entrances A3.7 - Anemones, including Corynactis viridis, crustose sponges and colonial ascidians on very exposed or wave surged vertical infralittoral rock A3.7 - Crustose sponges and colonial ascidians with Dendrodoa grossularia or barnacles on wave-surged infralittoral rock A3.7 - Dendrodoa grossularia and Clathrina coriacea on wave-surged vertical infralittoral rock A3.7 - Crustose sponges on extremely wave-surged infralittoral cave or gully walls A3.7 - Coralline crusts in surge gullies and scoured infralittoral rock A3.7 - Balanus crenatus and/or Pomatoceros triqueter with spirorbid worms and coralline crusts on severely scoured vertical infralittoral rock A3.7 - Coralline crusts and crustaceans on mobile boulders or cobbles in surge gullies A3.7 - Infralittoral fouling seaweed communities A4 - Circalittoral rock and other hard substrata A4.1 - Atlantic and Mediterranean high energy circalittoral rock A4.1 - Very tide-swept faunal communities on circalittoral rock A4.1 - Balanus crenatus and Tubularia indivisa on extremely tide-swept circalittoral rock A4.1 - Tubularia indivisa on tide-swept circalittoral rock A4.1 - Tubularia indivisa and cushion sponges on tide-swept turbid circalittoral bedrock A4.1 - Alcyonium digitatum with dense Tubularia indivisa and anemones on strongly tide-swept circalittoral rock A4.1 - Sponge communities on deep circalittoral rock A4.1 - Phakellia ventilabrum and axinellid sponges on deep, wave-exposed circalittoral rock A4.1 - Mixed faunal turf communities on circalittoral rock A4.1 - Bryozoan turf and erect sponges on tide-swept circalittoral rock A4.1 - Eunicella verrucosa and Pentapora foliacea on wave-exposed circalittoral rock A4.1 - Mixed turf of bryozoans and erect sponges with Dysidia fragilis and Actinothoe sphyrodeta on tide-swept wave-exposed circalittoral rock A4.1 - Mixed turf of bryozoans and erect sponges with Sagartia elegans on tide-swept circalittoral rock A4.1 - Corynactis viridis and a mixed turf of crisiids, Bugula , Scrupocellaria , and Cellaria on moderately tide-swept exposed circalittoral rock A4.1 - Mixed turf of hydroids and large ascidians with Swiftia pallida and Caryophyllia smithii on weakly tide-swept circalittoral rock A4.1 - Flustra foliacea and colonial ascidians on tide-swept moderately wave-exposed circalittoral rock A4.1 - Polyclinum aurantium and Flustra foliacea on sand-scoured tide-swept moderately wave-exposed circalittoral rock A4.1 - Flustra foliacea , small solitary and colonial ascidians on tide-swept circalittoral bedrock or boulders A4.1 - Flustra foliacea and colonial ascidians on tide-swept exposed circalittoral mixed substrata A4.1 - Sparse sponges, Nemertesia spp., and Alcyonidium diaphanum on circalittoral mixed substrata A4.1 - Suberites spp. with a mixed turf of crisiids and Bugula spp. on heavily silted moderately wave-exposed shallow circalittoral rock A4.1 - Flustra foliacea and Haliclona oculata with a rich faunal turf on tide-swept circalittoral mixed substrata A4.1 - Molgula manhattensis with a hydroid and bryozoan turf on tide-swept moderately wave-exposed circalittoral rock A4.1 - Sponges and anemones on vertical circalittoral bedrock A4.2 - Atlantic and Mediterranean moderate energy circalittoral rock A4.2 - Echinoderms and crustose communities on circalittoral rock A4.2 - Caryophyllia smithii and Swiftia pallida on circalittoral rock A4.2 - Caryophyllia smithii , Swiftia pallida and Alcyonium glomeratum on wave-sheltered circalittoral rock A4.2 - Caryophyllia smithii , Swiftia pallida and large solitary ascidians on exposed or moderately exposed circalittoral rock A4.2 - Caryophyllia smithii , sponges and crustose communities on wave-exposed circalittoral rock A4.2 - Brittlestars overlying coralline crusts, Parasmittina trispinosa and Caryophyllia smithii on wave-exposed circalittoral rock A4.2 - Caryophyllia smithii and sponges with Pentapora foliacea , Porella compressa and crustose communities on wave-exposed circalittoral rock A4.2 - Urticina felina and sand-tolerant fauna on sand-scoured or covered circalittoral rock A4.2 - Faunal and algal crusts on exposed to moderately wave-exposed circalittoral rock A4.2 - Flustra foliacea on slightly scoured silty circalittoral rock A4.2 - Alcyonium digitatum , Pomatoceros triqueter , algal and bryozoan crusts on wave-exposed circalittoral rock A4.2 - Alcyonium digitatum with Securiflustra securifrons on tide-swept moderately wave-exposed circalittoral rock A4.2 - Brittlestars on faunal and algal encrusted exposed to moderately wave-exposed circalittoral rock A4.2 - Faunal and algal crusts with Pomatoceros triqueter and sparse Alcyonium digitatum on exposed to moderately wave-exposed circalittoral rock A4.2 - Caryophyllia smithii with faunal and algal crusts on moderately wave-exposed circalittoral rock A4.2 - Alcyonium digitatum and faunal crust communities on vertical circalittoral bedrock A4.2 - Sabellaria reefs on circalittoral rock A4.2 - Sabellaria spinulosa encrusted circalittoral rock A4.2 - Sabellaria spinulosa with a bryozoan turf and barnacles on silty turbid circalittoral rock A4.2 - Sabellaria spinulosa , didemnid and small ascidians on tide-swept moderately wave-exposed circalittoral rock A4.2 - Communities on soft circalittoral rock A4.2 - Piddocks with a sparse associated fauna in sublittoral very soft chalk or clay A4.2 - Polydora sp. tubes on moderately exposed sublittoral soft rock A4.2 - Hiatella -bored vertical sublittoral limestone rock A4.2 - Mussel beds on circalittoral rock A4.2 - Mytilus edulis beds with hydroids and ascidians on tide-swept exposed to moderately wave-exposed circalittoral rock A4.2 - Musculus discors beds on moderately exposed circalittoral rock A4.2 - Circalittoral faunal communities in variable salinity A4.2 - Cushion sponges and hydroids on turbid tide-swept sheltered circalittoral rock A4.2 - Cushion sponges, hydroids and ascidians on turbid tide-swept sheltered circalittoral rock A4.2 - Cushion sponges and hydroids on turbid tide-swept variable salinity sheltered circalittoral rock A4.2 - Halichondria bowerbanki , Eudendrium arbusculum and Eucratea loricata on reduced salinity tide-swept circalittoral mixed substrata A4.3 - Atlantic and Mediterranean low energy circalittoral rock A4.3 - Brachiopod and ascidian communities on circalittoral rock A4.3 - Solitary ascidians, including Ascidia mentula and Ciona intestinalis , on wave-sheltered circalittoral rock A4.3 - Solitary ascidians, including Ascidia mentula and Ciona intestinalis , with Antedon spp. on wave-sheltered circalittoral rock A4.3 - Dense brittlestars with sparse Ascidia mentula and Ciona intestinalis on sheltered circalittoral mixed substrata A4.3 - Large solitary ascidians and erect sponges on wave-sheltered circalittoral rock A4.3 - Antedon spp., solitary ascidians and fine hydroids on sheltered circalittoral rock A4.3 - Neocrania anomala and Protanthea simplex on sheltered circalittoral rock A4.3 - Neocrania anomala and Protanthea simplex on very wave-sheltered circalittoral rock A4.3 - Neocrania anomala , Dendrodoa grossularia and Sarcodictyon roseum on variable salinity circalittoral rock A4.7 - Features of circalittoral rock A4.7 - Communities of circalittoral caves and overhangs A4.7 - Sponges, cup corals and anthozoans on shaded or overhanging circalittoral rock A4.7 - Circalittoral fouling faunal communities A4.7 - Alcyonium digitatum and Metridium senile on moderately wave-exposed circalittoral steel wrecks A4.7 - Ascidiella aspersa on circalittoral artificial substrata A5 - Sublittoral sediment A5.1 - Sublittoral coarse sediment A5.1 - Sublittoral coarse sediment in variable salinity (estuaries) A5.1 - Infralittoral coarse sediment A5.1 - Sparse fauna on highly mobile sublittoral shingle (cobbles and pebbles) A5.1 - Halcampa chrysanthellum and Edwardsia timida on sublittoral clean stone gravel A5.1 - Moerella spp. with venerid bivalves in infralittoral gravelly sand A5.1 - Hesionura elongata and Microphthalmus similis with other interstitial polychaetes in infralittoral mobile coarse sand A5.1 - Glycera lapidum in impoverished infralittoral mobile gravel and sand A5.1 - Cumaceans and Chaetozone setosa in infralittoral gravelly sand A5.1 - Dense Lanice conchilega and other polychaetes in tide-swept infralittoral sand and mixed gravelly sand A5.1 - Circalittoral coarse sediment A5.1 - Pomatoceros triqueter with barnacles and bryozoan crusts on unstable circalittoral cobbles and pebbles A5.1 - Mediomastus fragilis , Lumbrineris spp. and venerid bivalves in circalittoral coarse sand or gravel A5.1 - Protodorvillea kefersteini and other polychaetes in impoverished circalittoral mixed gravelly sand A5.1 - Neopentadactyla mixta in circalittoral shell gravel or coarse sand A5.1 - Branchiostoma lanceolatum in circalittoral coarse sand with shell gravel A5.1 - Deep circalittoral coarse sediment A5.1 - Glycera lapidum , Thyasira spp. and Amythasides macroglossus in offshore gravelly sand A5.1 - Hesionura elongata and Protodorvillea kefersteini in offshore coarse sand A5.2 - Sublittoral sand A5.2 - Sublittoral sand in low or reduced salinity A5.2 - Sublittoral sand in variable salinity (estuaries) A5.2 - Infralittoral mobile sand in variable salinity (estuaries) A5.2 - Nephtys cirrosa and Macoma balthica in variable salinity infralittoral mobile sand A5.2 - Neomysis integer and Gammarus spp. in fluctuating low salinity infralittoral mobile sand A5.2 - Infralittoral fine sand A5.2 - Infralittoral mobile clean sand with sparse fauna A5.2 - Sertularia cupressina and Hydrallmania falcata on tide-swept sublittoral sand with cobbles or pebbles A5.2 - Nephtys cirrosa and Bathyporeia spp. in infralittoral sand A5.2 - Semi-permanent tube-building amphipods and polychaetes in sublittoral sand A5.2 - Infralittoral muddy sand A5.2 - Echinocardium cordatum and Ensis spp. in lower shore and shallow sublittoral slightly muddy fine sand A5.2 - Fabulina fabula and Magelona mirabilis with venerid bivalves and amphipods in infralittoral compacted fine muddy sand A5.2 - Arenicola marina in infralittoral fine sand or muddy sand A5.2 - Spisula subtruncata and Nephtys hombergii in shallow muddy sand A5.2 - Circalittoral fine sand A5.2 - Echinocyamus pusillus , Ophelia borealis and Abra prismatica in circalittoral fine sand A5.2 - Abra prismatica , Bathyporeia elegans and polychaetes in circalittoral fine sand A5.2 - Circalittoral muddy sand A5.2 - Abra alba and Nucula nitidosa in circalittoral muddy sand or slightly mixed sediment A5.2 - Amphiura brachiata with Astropecten irregularis and other echinoderms in circalittoral muddy sand A5.2 - Deep circalittoral sand A5.2 - Maldanid polychaetes and Eudorellopsis deformis in deep circalittoral sand or muddy sand A5.2 - Owenia fusiformis and Amphiura filiformis in deep circalittoral sand or muddy sand A5.3 - Sublittoral mud A5.3 - Sublittoral mud in low or reduced salinity A5.3 - Sublittoral mud in variable salinity (estuaries) A5.3 - Polydora ciliata and Corophium volutator in variable salinity infralittoral firm mud or clay A5.3 - Aphelochaeta marioni and Tubificoides spp. in variable salinity infralittoral mud A5.3 - Nephtys hombergii and Tubificoides spp. in variable salinity infralittoral soft mud A5.3 - Infralittoral fluid mobile mud A5.3 - Capitella capitata and Tubificoides spp. in reduced salinity infralittoral muddy sediment A5.3 - Oligochaetes in variable or reduced salinity infralittoral muddy sediment A5.3 - Limnodrilus hoffmeisteri , Tubifex tubifex and Gammarus spp. in low salinity infralittoral muddy sediment A5.3 - Infralittoral sandy mud A5.3 - Nephtys hombergii and Macoma balthica in infralittoral sandy mud A5.3 - Sagartiogeton undatus and Ascidiella aspersa on infralittoral sandy mud A5.3 - Mysella bidentata and Abra spp. in infralittoral sandy mud A5.3 - Melinna palmata with Magelona spp. and Thyasira spp. in infralittoral sandy mud A5.3 - Ampelisca spp., Photis longicaudata and other tube-building amphipods and polychaetes in infralittoral sandy mud A5.3 - Capitella capitata in enriched sublittoral muddy sediments A5.3 - Infralittoral fine mud A5.3 - Cerastoderma edule with Abra nitida in infralittoral mud A5.3 - Arenicola marina in infralittoral mud A5.3 - Philine aperta and Virgularia mirabilis in soft stable infralittoral mud A5.3 - Ocnus planci aggregations on sheltered sublittoral muddy sediment A5.3 - Circalittoral sandy mud A5.3 - Amphiura filiformis , Mysella bidentata and Abra nitida in circalittoral sandy mud A5.3 - Thyasira spp. and Nuculoma tenuis in circalittoral sandy mud A5.3 - Amphiura filiformis and Nuculoma tenuis in circalittoral and offshore muddy sand A5.3 - Virgularia mirabilis and Ophiura spp. with Pecten maximus on circalittoral sandy or shelly mud A5.3 - Virgularia mirabilis and Ophiura spp. with Pecten maximus , hydroids and ascidians on circalittoral sandy or shelly mud with shells or stones A5.3 - Lagis koreni and Phaxas pellucidus in circalittoral sandy mud A5.3 - Circalittoral fine mud A5.3 - Seapens and burrowing megafauna in circalittoral fine mud A5.3 - Seapens, including Funiculina quadrangularis , and burrowing megafauna in undisturbed circalittoral fine mud A5.3 - Burrowing megafauna and Maxmuelleria lankesteri in circalittoral mud A5.3 - Brissopsis lyrifera and Amphiura chiajei in circalittoral mud A5.3 - Deep circalittoral mud A5.3 - Ampharete falcata turf with Parvicardium ovale on cohesive muddy sediment near margins of deep stratified seas A5.3 - Foraminiferans and Thyasira spp. in deep circalittoral soft mud A5.3 - Styela gelatinosa , Pseudamussium septemradiatum and solitary ascidians on sheltered deep circalittoral muddy sediment A5.3 - Capitella capitata and Thyasira spp. in organically-enriched offshore circalittoral mud and sandy mud A5.3 - Capitella capitata , Thyasira spp. and Ophryotrocha dubia inorganically-enriched offshore circalittoral mud or sandy mud A5.3 - Levinsenia gracilis and Heteromastus filifirmis in offshore circalittoral mud and sandy mud A5.3 - Paramphinome jeffreysii , Thyasira spp. and Amphiura filiformis in offshore circalittoral sandy mud A5.3 - Myrtea spinifera and polychaetes in offshore circalittoral sandy mud A5.4 - Shallow smaller Ostrea edulis reefs adhering to rocky reefs and vertical drop-offs A5.4 - Sublittoral mixed sediments A5.4 - Sublittoral mixed sediment in low or reduced salinity A5.4 - Sublittoral mixed sediment in variable salinity (estuaries) A5.4 - Aphelochaeta spp. and Polydora spp. in variable salinity infralittoral mixed sediment A5.4 - Crepidula fornicata and Mediomastus fragilis in variable salinity infralittoral mixed sediment A5.4 - Infralittoral mixed sediments A5.4 - Crepidula fornicata with ascidians and anemones on infralittoral coarse mixed sediment A5.4 - Sabella pavonina with sponges and anemones on infralittoral mixed sediment A5.4 - Venerupis senegalensis , Amphipholis squamata and Apseudes latreilli in infralittoral mixed sediment A5.4 - Limaria hians beds in tide-swept sublittoral muddy mixed sediment A5.4 - Ostrea edulis beds on shallow sublittoral muddy mixed sediment A5.4 - Circalittoral mixed sediments A5.4 - Cerianthus lloydii and other burrowing anemones in circalittoral muddy mixed sediment A5.4 - Cerianthus lloydii with Nemertesia spp. and other hydroids in circalittoral muddy mixed sediment A5.4 - Sparse Modiolus modiolus , dense Cerianthus lloydii and burrowing holothurians on sheltered circalittoral stones and mixed sediment A5.4 - Mysella bidentata and Thyasira spp. in circalittoral muddy mixed sediment A5.4 - Flustra foliacea and Hydrallmania falcata on tide-swept circalittoral mixed sediment A5.4 - Ophiothrix fragilis and/or Ophiocomina nigra brittlestar beds on sublittoral mixed sediment A5.4 - Deep circalittoral mixed sediments A5.4 - Polychaete-rich deep Venus community in offshore mixed sediments A5.5 - Zostera marina /angustifolia beds on lower shore or infralittoral clean or muddy sand A5.5 - Ruppia and Zannichellia communities A5.5 - Ruppia maritima in reduced salinity infralittoral muddy sand A5.5 - Angiosperm communities in reduced salinity A5.5 - Vegetation of brackish waters dominated by Phragmites australis A5.5 - Association with Potamogeton pectinatus A5.5 - Zostera beds in reduced salinity infralittoral sediments A5.5 - Sublittoral macrophyte-dominated sediment A5.5 - Maerl beds A5.5 - Phymatolithon calcareum maerl beds in infralittoral clean gravel or coarse sand A5.5 - Phymatolithon calcareum maerl beds with red seaweeds in shallow infralittoral clean gravel or coarse sand A5.5 - Phymatolithon calcareum maerl beds with Neopentadactyla mixta and other echinoderms in deeper infralittoral clean gravel or coarse sand A5.5 - Lithothamnion glaciale maerl beds in tide-swept variable salinity infralittoral gravel A5.5 - Lithothamnion corallioides maerl beds on infralittoral muddy gravel A5.5 - Lithophyllum fasciculatum maerl beds on infralittoral mud A5.5 - Kelp and seaweed communities on sublittoral sediment A5.5 - Laminaria saccharina and red seaweeds on infralittoral sediments A5.5 - Red seaweeds and kelps on tide-swept mobile infralittoral cobbles and pebbles A5.5 - Laminaria saccharina and robust red algae on infralittoral gravel and pebble A5.5 - Laminaria saccharina and filamentous red algae on infralittoral sand A5.5 - Laminaria saccharina with red and brown seaweeds on lower infralittoral muddy mixed sediment A5.5 - Laminaria saccharina and Chorda filum on sheltered upper infralittoral muddy sediment A5.5 - Laminaria saccharina with Psammechinus miliaris and/or Modiolus modiolus on variable salinity infralittoral sediment A5.5 - Laminaria saccharina , Gracilaria gracilis and brown seaweeds on full salinity infralittoral sediment A5.5 - Laminaria saccharina and Gracilaria gracilis with sponges and ascidians on variable salinity infralittoral sediment A5.5 - Mats of Trailliella on infralittoral muddy gravel A5.5 - Loose-lying mats of Phyllophora crispa on infralittoral muddy sediment A5.5 - Filamentous green seaweeds on low salinity infralittoral mixed sediment or rock A5.5 - Sublittoral seagrass beds A5.5 - Zostera beds in full salinity infralittoral sediments A5.6 - Sublittoral biogenic reefs A5.6 - Sublittoral polychaete worm reefs on sediment A5.6 - Sabellaria spinulosa on stable circalittoral mixed sediment A5.6 - Sabellaria alveolata on variable salinity sublittoral mixed sediment A5.6 - Serpula vermicularis reefs on very sheltered circalittoral muddy sand A5.6 - Sublittoral mussel beds on sediment A5.6 - Modiolus modiolus beds with hydroids and red seaweeds on tide-swept circalittoral mixed substrata A5.6 - Modiolus modiolus beds on open coast circalittoral mixed sediment A5.6 - Modiolus modiolus beds with fine hydroids and large solitary ascidians on very sheltered circalittoral mixed substrata A5.6 - Modiolus modiolus beds with Chlamys varia , sponges, hydroids and bryozoans on slightly tide-swept very sheltered circalittoral mixed substrata A5.6 - Mytilus edulis beds on sublittoral sediment A5.6 - Circalittoral coral reefs A5.6 - Circalittoral Lophelia pertusa reefs A5.6 - Circalittoral Lophelia pertusa reefs A5.6 - Pontic Ostrea edulis biogenic reefs on mobile seabottom A5.6 - Deep massive Ostrea edulis reefs on bottoms of shelly gravel and boulders A5.7 - Features of sublittoral sediments A5.7 - Seeps and vents in sublittoral sediments A5.7 - Bubbling reefs in the aphotic zone A5.7 - Methane seeps in sublittoral sediments A5.7 - Organically-enriched or anoxic sublittoral habitats A5.7 - Periodically and permanently anoxic sublittoral muds A5.7 - Beggiatoa spp. on anoxic sublittoral mud A6 - Deep-sea bed A6.1 - Deep-sea rock and artificial hard substrata A6.1 - Deep-sea bedrock A6.1 - Deep-sea artificial hard substrata A6.1 - Boulders on the deep-sea bed A6.2 - Deep-sea mixed substrata A6.3 - Deep-sea sand A6.4 - Deep-sea muddy sand A6.5 - Deep-sea mud A6.5 - Communities of abyssal muds A6.6 - Deep-sea bioherms A6.6 - Communities of deep-sea corals A6.6 - Deep-sea Lophelia pertusa reefs A6.6 - Deep-sea sponge aggregations A6.6 - Facies with Pheronema grayi A6.6 - Deep-sea Lophelia pertusa reefs A6.7 - Raised features of the deep-sea bed A6.7 - Permanently submerged flanks of oceanic islands A6.7 - Seamounts, knolls and banks A6.7 - Oceanic ridges A6.7 - Carbonate mounds A6.8 - Deep-sea trenches and canyons, channels, slope failures and slumps on the continental slope A6.8 - Canyons, channels, slope failures and slumps on the continental slope A6.8 - Deep-sea trenches A6.9 - Vents, seeps, hypoxic and anoxic habitats of the deep sea B3.1 - Supralittoral rock (lichen or splash zone) B3.1 - Lichens or small green algae on supralittoral and littoral fringe rock B3.1 - Yellow and grey lichens on supralittoral rock B3.1 - Prasiola stipitata on nitrate-enriched supralittoral or littoral fringe rock B3.1 - Verrucaria maura on littoral fringe rock B3.1 - Verrucaria maura and sparse barnacles on exposed littoral fringe rock B3.1 - Verrucaria maura on very exposed to very sheltered upper littoral fringe rock B3.1 - Blidingia spp. on vertical littoral fringe chalk B3.1 - Ulothrix flacca and Urospora spp. on freshwater-influenced vertical littoral fringe soft rock C3.4 - Eleocharis parvula and Eleocharis acicularis beds of inland saline and brackish waters