Biodiversity & Conservation

Ascophyllum nodosum with epiphytic sponges and ascidians on variable salinity infralittoral rock

IR.SIR.Lag.AscSAs

SIR.AscSAs

Image Sue Scott - Ascophyllum nodosum with epiphytes (SIR.AscSAs). Image width ca 30 cm.
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Distribution map

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

  • EC_Habitats

Text page icon Habitat description

Map icon Distribution of biotope in Britain and Ireland This is a rare biotope with a distribution limited to Scottish lagoons.
National importance Rare

Text page icon Description of biotope

For a full description of this biotope including characterizing species, distribution, survey information and references visit JNCC

Dense subtidal stands of Ascophyllum nodosum, heavily epiphytised by sponges and ascidians in lagoon-like habitats. (Information taken from the Marine Biotope Classification for Britain and Ireland, Version 97.06: Connor et al., 1997a, b).

Additional information icon Additional information

This review can be cited as follows:

Hill, J.M. 2001. Ascophyllum nodosum with epiphytic sponges and ascidians on variable 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 26/05/2013]. Available from: <http://www.marlin.ac.uk/habitatsbasicinfo.php?habitatid=328&code=1997>