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IR.LIR.Lag.AscSpAs Ascophyllum nodosum with epiphytic sponges and ascidians on variable salinity infralittoral rock
Published date 2015-03Dense subtidal stands of Ascophyllum nodosum, heavily epiphytised by sponges and ascidians in lagoon-like habitats. The wracks Fucus vesiculosus and Fucus serratus can be present along with the brown ...
IR.MIR.KR.LhypT.Pk Laminaria hyperborea park with hydroids, bryozoans and sponges on tide-swept lower infralittoral rock
Published date 2015-03Exposed to moderately wave-exposed, strongly tide-swept, rock with Laminaria hyperborea park characterised by a rich under-storey and stipe flora of foliose seaweeds such as Phycodrys rubens, Plocamiu...
LR.FLR.Rkp.FK.Sar Sargassum muticum in eulittoral rockpools
Published date 2015-03Shallow rockpools throughout the eulittoral zone on exposed to moderately exposed shores dominated by the brown seaweed Sargassum muticum and the red seaweed Corallina officinalis. Other brown seaweed...
LR.HLR High energy littoral rock
Published date 2015-03Extremely exposed to moderately exposed or tide-swept bedrock and boulder shores. Extremely exposed shores dominated by mussels and barnacles, occasionally with robust fucoids or turfs of red seaweed....
SS.SMu.CSaMu.AfilKurAnit Amphiura filiformis, Kurtiella bidentata and Abra nitida in circalittoral sandy mud
Published date 2015-03Cohesive sandy mud off wave exposed coasts with weak tidal streams can be characterised by super-abundant Amphiura filiformis with Kurtiella bidentata and Abra nitida. This community occurs in muddy s...
SS.SSa.IFiSa.TbAmPo Semi-permanent tube-building amphipods and polychaetes in sublittoral sand
Published date 2015-03Sublittoral marine sand in moderately exposed or sheltered inlets and voes in shallow water may support large populations of semi-permanent tube-building amphipods and polychaetes. Typically dominated...
SS.SCS.CCS.Blan Branchiostoma lanceolatum in circalittoral coarse sand with shell gravel
Published date 2015-03Gravel and coarse sand with shell gravel often contains communities of robust venerid bivalves (SS.SCS.CCS.MedLumVen). Shallower examples, such as the biotope presented here, may support a significant...
SS.SBR.SMus.ModMx Modiolus modiolus beds on open coast circalittoral mixed sediment
Published date 2015-03Muddy gravels and coarse sands in deeper water of continental seas may contain venerid bivalves with beds of Modiolus modiolus. The clumping of the byssus threads of the M. modiolus creates a stable h...
CR.HCR.XFa.SpNemAdia Sparse sponges, Nemertesia spp. and Alcyonidium diaphanum on circalittoral mixed substrata
Published date 2015-03This biotope is found on moderately wave-exposed sand-scoured, circalittoral boulders, cobbles and pebbles that are subject to moderately strong tidal streams (referred to as lag-cobbles locally). It ...
IR.HIR.KFaR.LhypR.Ft Laminaria hyperborea forest with dense foliose red seaweeds on exposed upper infralittoral rock
Published date 2015-03Very exposed to exposed upper infralittoral bedrock or large boulders characterised by a dense forest of the kelp Laminaria hyperborea. On the rock surface beneath the kelp canopy is a dense turf of r...