Biodiversity & Conservation

Laminaria saccharina on reduced or low salinity infralittoral rock

IR.SIR.K.LsacRS


<i>%Laminaria saccharina%</i> on reduced or low salinity infralittoral rock
Distribution map

IR.SIR.K.LsacRS recorded (dark blue bullet) and expected (light blue bullet) distribution in Britain and Ireland (see below)


  • EC_Habitats

Habitat sensitivity

Physical Factors

Click factor name to view rationale Intolerance Recoverability Sensitivity Species Richness Evidence / Confidence
Substratum Loss High High Moderate Major decline High
Smothering Intermediate High Low Decline Moderate
Increase in suspended sediment Low Very high Very low No change Moderate
Decrease in suspended sediment Low Very high Very low No change Moderate
Desiccation Low High Low Minor decline Moderate
Increase in emergence regime High High Moderate Major decline Moderate
Decrease in emergence regime Tolerant* Not relevant Not sensitive* No change High
Increase in water flow rate Intermediate High Low No change Moderate
Decrease in water flow rate Low Very high Very low Minor decline Moderate
Increase in temperature Low Very high Very low No change Low
Decrease in temperature Low Very high Very low No change Low
Increase in turbidity Intermediate High Low No change Moderate
Decrease in turbidity Tolerant* Not relevant Not sensitive* No change High
Increase in wave exposure High High Moderate Major decline Moderate
Decrease in wave exposure Not relevant Not relevant Not relevant No change High
Noise Tolerant Not relevant Not sensitive Not relevant High
Visual Presence Tolerant Not relevant Not sensitive Not relevant High
Abrasion & physical disturbance High High Moderate Major decline High
Displacement Intermediate High Low Decline High

Chemical Factors

Click factor name to view rationale Intolerance Recoverability Sensitivity Species Richness Evidence / Confidence
Synthetic compound contamination Intermediate High Low Decline Moderate
Heavy metal contamination Low Very high Very low Minor decline Moderate
Hydrocarbon contamination Intermediate High Low Decline Low
Radionuclide contamination Insufficient information Insufficient information Insufficient information Insufficient Information High
Changes in nutrient levels Low Very high Very low No change Low
Increase in salinity High High Moderate Rise Moderate
Decrease in salinity High High Moderate Major decline High
Changes in oxygenation Intermediate High Low Decline Very low

Biological Factors

Click factor name to view rationale Intolerance Recoverability Sensitivity Species Richness Evidence / Confidence
Introduction of microbial pathogens/parasites Low Very high Very low Low
Introduction of non-native species High High Moderate Decline Very low
Extraction of this species High High Moderate Rise Low
Extraction of other species Not relevant Not relevant Not relevant Not relevant High

Species used to indicate biotope intolerance

Physical factors

Ascidiella scabra
Important structural
Asterias rubens
Key structural
Balanus crenatus
Key structural
Ceramium virgatum
Important other
Clavelina lepadiformis
Important other
Saccharina latissima
Key structural
Mytilus edulis
Important other
Pomatoceros triqueter
Important other
Psammechinus miliaris
Key functional
Substratum LossHighHighHighHighHighHighHighHighHigh
SmotheringLowLowHighIntermediateHighHighIntermediateHighHigh
Increase in suspended sedimentLowLowLowIntermediateIntermediateLowLowLowLow
Decrease in suspended sedimentTolerantTolerant*LowLow
DesiccationIntermediateHighHighHighHighHighLowIntermediateHigh
Increase in emergence regimeIntermediateTolerantHighIntermediateHighIntermediateLowIntermediateLow
Decrease in emergence regimeTolerant*TolerantLowTolerant*
Increase in water flow rateLowIntermediateLowIntermediateLowLowLowTolerant*Low
Decrease in water flow rateLowTolerantLowTolerant
Increase in temperatureTolerantHighHighLowIntermediateIntermediateLowTolerant*Low
Decrease in temperatureTolerantLowLowLowIntermediate
Increase in turbidityTolerantLowLowTolerantTolerantLowTolerantTolerantLow
Decrease in turbidityTolerant*TolerantTolerantTolerant
Increase in wave exposureIntermediateIntermediateLowIntermediateIntermediateHighIntermediateLowIntermediate
Decrease in wave exposureTolerant*LowTolerantIntermediateTolerant
NoiseTolerantTolerantTolerantTolerantTolerantTolerantTolerant*TolerantTolerant
Visual PresenceTolerantTolerantTolerantTolerantTolerantTolerantTolerant*TolerantLow
Abrasion & physical disturbanceHighIntermediateIntermediateHighHighIntermediateIntermediateIntermediateIntermediate
DisplacementHighLowHighHighHighIntermediateIntermediateLowTolerant

Chemical factors

Ascidiella scabra
Important structural
Asterias rubens
Key structural
Balanus crenatus
Key structural
Ceramium virgatum
Important other
Clavelina lepadiformis
Important other
Saccharina latissima
Key structural
Mytilus edulis
Important other
Pomatoceros triqueter
Important other
Psammechinus miliaris
Key functional
Synthetic compound contaminationIntermediateIntermediateHighHighInsufficient informationLowIntermediateInsufficient informationHigh
Heavy metal contaminationInsufficient informationIntermediateIntermediateInsufficient informationTolerantIntermediateIntermediateInsufficient informationIntermediate
Hydrocarbon contaminationInsufficient informationHighLowHighInsufficient informationLowIntermediateInsufficient informationHigh
Radionuclide contaminationInsufficient informationInsufficient informationInsufficient informationInsufficient informationInsufficient informationInsufficient informationInsufficient informationInsufficient informationInsufficient information
Changes in nutrient levelsInsufficient informationLowIntermediateTolerant*Insufficient informationIntermediateIntermediateInsufficient informationLow
Increase in salinityTolerantHighLowNot relevantLowHighLowTolerantIntermediate
Decrease in salinityIntermediateLowLowHigh
Changes in oxygenationLowHighHighInsufficient informationLowInsufficient informationLowInsufficient informationIntermediate

Biological factors

Ascidiella scabra
Important structural
Asterias rubens
Key structural
Balanus crenatus
Key structural
Ceramium virgatum
Important other
Clavelina lepadiformis
Important other
Saccharina latissima
Key structural
Mytilus edulis
Important other
Pomatoceros triqueter
Important other
Psammechinus miliaris
Key functional
Introduction of microbial pathogens/parasitesInsufficient informationIntermediateInsufficient informationInsufficient informationInsufficient informationIntermediateIntermediateInsufficient informationIntermediate
Introduction of non-native speciesTolerantInsufficient informationInsufficient informationTolerant*TolerantInsufficient informationInsufficient informationTolerantTolerant
Extraction of this speciesNot relevantNot relevantNot relevantNot relevantNot relevantIntermediateIntermediateNot relevantIntermediate
Extraction of other speciesNot relevantLowNot relevantNot relevantTolerantInsufficient informationLowNot relevantIntermediate

Species used to indicate biotope recoverability

Physical factors

Ascidiella scabra
Important structural
Asterias rubens
Key structural
Balanus crenatus
Key structural
Ceramium virgatum
Important other
Clavelina lepadiformis
Important other
Saccharina latissima
Key structural
Mytilus edulis
Important other
Pomatoceros triqueter
Important other
Psammechinus miliaris
Key functional
Substratum LossVery highHighHighVery highModerateHighHighHighHigh
SmotheringImmediateVery highHighVery highModerateHighHighHighHigh
Increase in suspended sedimentImmediateHighHighVery highHighHighImmediateHighVery high
Decrease in suspended sedimentNot relevantNot relevantImmediateHigh
DesiccationVery highHighHighVery highModerateHighImmediateHighHigh
Increase in emergence regimeVery highNot relevantHighVery highModerateHighVery highHighLow
Decrease in emergence regimeNot relevantNot relevantVery highNot relevant
Increase in water flow rateImmediateHighVery highVery highVery highHighVery highNot relevantVery high
Decrease in water flow rateImmediateNot relevantVery highNot relevant
Increase in temperatureNot relevantHighHighVery highHighHighVery highNot relevantLow
Decrease in temperatureNot relevantHighVery highVery highHigh
Increase in turbidityNot relevantVery highVery highNot relevantNot relevantHighNot relevantNot relevantVery high
Decrease in turbidityNot relevantNot relevantNot relevantNot relevant
Increase in wave exposureVery highHighVery highVery highHighHighHighHighHigh
Decrease in wave exposureNot relevantHighNot relevantHighNot relevant
NoiseNot relevantNot relevantNot relevantNot relevantNot relevantNot relevantNot relevantNot relevantNot relevant
Visual PresenceNot relevantNot relevantNot relevantNot relevantNot relevantNot relevantNot relevantNot relevantVery high
Abrasion & physical disturbanceVery highHighHighVery highModerateVery highHighHighHigh
DisplacementVery highImmediateHighVery highModerateHighHighHighNot relevant

Chemical factors

Ascidiella scabra
Important structural
Asterias rubens
Key structural
Balanus crenatus
Key structural
Ceramium virgatum
Important other
Clavelina lepadiformis
Important other
Saccharina latissima
Key structural
Mytilus edulis
Important other
Pomatoceros triqueter
Important other
Psammechinus miliaris
Key functional
Synthetic compound contaminationVery highHighHighVery highNot relevantHighHighNot relevantHigh
Heavy metal contaminationNot relevantHighHighNot relevantNot relevantHighHighNot relevantHigh
Hydrocarbon contaminationNot relevantHighHighVery highNot relevantHighHighNot relevantHigh
Radionuclide contaminationNot relevantInsufficient informationNot relevantNot relevantNot relevantNot relevantNot relevantNot relevantInsufficient information
Changes in nutrient levelsNot relevantHighHighNot relevantNot relevantHighHighNot relevantVery high
Increase in salinityNot relevantHighVery highNot relevantImmediateHighVery highNot relevantHigh
Decrease in salinityVery highVery highVery highHigh
Changes in oxygenationImmediateHighHighNot relevantImmediateNot relevantVery highNot relevantHigh

Biological factors

Ascidiella scabra
Important structural
Asterias rubens
Key structural
Balanus crenatus
Key structural
Ceramium virgatum
Important other
Clavelina lepadiformis
Important other
Saccharina latissima
Key structural
Mytilus edulis
Important other
Pomatoceros triqueter
Important other
Psammechinus miliaris
Key functional
Introduction of microbial pathogens/parasitesNot relevantHighNot relevantNot relevantNot relevantHighHighNot relevantHigh
Introduction of non-native speciesNot relevantInsufficient informationNot relevantVery highNot relevantNot relevantNot relevantNot relevantNot relevant
Extraction of this speciesNot relevantNot relevantNot relevantNot relevantNot relevantHighHighNot relevantHigh
Extraction of other speciesNot relevantHighNot relevantNot relevantNot relevantNot relevantVery highNot relevantHigh

This review can be cited as follows:

Hiscock, K. 2002. Laminaria saccharina on reduced or low salinity infralittoral rock. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 25/10/2014]. Available from: <http://www.marlin.ac.uk/habitatsensitivity.php?habitatid=345&code=1997>