Skip to Content

Search




2193 page results

SS.SMu.ISaMu.AmpPlon Ampelisca spp., Photis longicaudata and other tube-building amphipods and polychaetes in infralittoral sandy mud

Published date 2015-03

Sublittoral stable cohesive sandy muds occurring over a wide depth range may support large populations of semi-permanent tube-building amphipods and polychaetes. In particular large numbers of the amp...


SS.SMu.IFiMu.PhiVir Philine aperta and Virgularia mirabilis in soft stable infralittoral mud

Published date 2015-03

Physically very stable muds, occasionally with small stones, with a high proportion of fine material (typically greater than 80 %) may contain the opisthobranch Philine aperta and the seapen Virgulari...


SS.SSa.IMuSa.EcorEns Echinocardium cordatum and Ensis spp. in lower shore and shallow sublittoral slightly muddy fine sand

Published date 2015-03

Sheltered lower shore and shallow sublittoral sediments of sand or muddy fine sand in fully marine conditions, support populations of the urchin Echinocardium cordatum and the razor shell Ensis siliqu...


SS.SBR.SMus.ModMvar Modiolus modiolus beds with Mimachlamys varia, sponges, hydroids and bryozoans on slightly tide-swept very sheltered circalittoral mixed substrata

Published date 2015-03

Dense Modiolus modiolus beds, covered by hydroids and bryozoans, on soft gravelly, shelly mud with pebbles in areas of slight or moderate tidal currents. The variable scallop (Mimachlamys varia) is fr...


SS.SMu.OMu.LevHet Levinsenia gracilis and Heteromastus filifirmis in offshore circalittoral mud and sandy mud

Published date 2015-03

In deep offshore mud and sandy mud, a community characterised by the polychaetes Levinsenia gracilis and Heteromastus filiformis may occur. Other important taxa may include Paramphinome jeffreysii, Ne...


CR.FCR.Cv.SpCup Sponges, cup corals and anthozoans on shaded or overhanging circalittoral rock

Published date 2015-03

This biotope occurs on shaded and overhanging rock, such as on cave walls and ceilings although there are very few records of caves in conditions not subject to wave surge (i.e. deeper circalittoral h...


LR.HLR.FR.Coff.Coff Corallina officinalis and Mastocarpus stellatus on exposed to moderately exposed lower eulittoral rock

Published date 2015-03

Exposed lower eulittoral rock or moderately exposed lower eulittoral vertical rock that supports a dense turf of the red seaweed Corallina officinalis, often on wave surged rocky slopes. There is usua...


IR.LIR.K.LhypSlat.Ft Mixed Laminaria hyperborea and Saccharina latissima forest on sheltered upper infralittoral rock

Published date 2015-03

Sheltered, often silted, upper infralittoral bedrock and boulder slopes with mixed kelps Laminaria hyperborea and Saccharina latissima and red seaweeds beneath. The kelp at these sheltered sites often...


IR.HIR.KSed.SlatChoR Saccharina latissima, Chorda filum and dense red seaweeds on shallow unstable infralittoral boulders or cobbles

Published date 2015-03

Seasonally disturbed unstable boulders and cobbles in very shallow water dominated by the fast-growing brown seaweed Chorda filum together with the kelp Saccharina latissima. The brown seaweed Desmare...


IR.FIR.SG.DenCcor Dendrodoa grossularia and Clathrina coriacea on wave-surged vertical infralittoral rock

Published date 2015-03

Vertical or overhanging infralittoral rock subject to considerable wave-surge, especially in the middle or back of caves but also in gullies and tunnels, and dominated by dense sheets of the ascidian ...



Back to top