1493 page results
SS.SMp.Mrl.Lgla Lithothamnion glaciale maerl beds in tide-swept variable salinity infralittoral gravel
Published date 2015-03Upper infralittoral tide-swept channels of coarse sediment in full or variable salinity conditions support distinctive beds of Lithothamnion glaciale maerl 'rhodoliths'. Phymatolithon calcareum may al...
SS.SMu.SMuVS.MoMu Infralittoral fluid mobile mud
Published date 2015-03Fluid mobile mud suspended and deposited on each tide. In areas with very high quantities of suspended particulate material in the water column it may become deposited around slack water when tidal cu...
IR.LIR.K.LhypSlat Mixed Laminaria hyperborea and Saccharina latissima on sheltered infralittoral rock
Published date 2015-03Mixed Laminaria hyperborea and Saccharina latissima on bedrock and boulders in sheltered infralittoral habitats. Typically subject to weak tidal streams and rather silty conditions. Beneath the kelp i...
IR.FIR.SG.CrSp Crustose sponges on extremely wave-surged infralittoral cave or gully walls
Published date 2015-03Walls, or massive boulders, in caves or gullies that are subject to severe wave-surge and characterised by extensive thin crusts of the sponge Halichondria panicea with smaller patches of other sponge...
SS.SSa.IMuSa.FfabMag Fabulina fabula and Magelona mirabilis with venerid bivalves and amphipods in infralittoral compacted fine muddy sand
Published date 2015-03In stable, fine, compacted sands and slightly muddy sands in the infralittoral and littoral fringe, communities dominated by venerid bivalves such as Chamelea gallina occur. This biotope may be chara...
IR.MIR.KR.Lhyp Laminaria hyperborea and foliose red seaweeds on moderately exposed infralittoral rock
Published date 2015-03Moderately exposed infralittoral bedrock and boulders characterised by a canopy of the kelp Laminaria hyperborea beneath which is an under-storey of foliose red seaweeds and coralline crusts. Some red...
SS.SMu.IFiMu.PhiVir Philine aperta and Virgularia mirabilis in soft stable infralittoral mud
Published date 2015-03Physically 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...
IR.HIR.KSed.SlatChoR Saccharina latissima, Chorda filum and dense red seaweeds on shallow unstable infralittoral boulders or cobbles
Published date 2015-03Seasonally 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...
SS.SMp.KSwSS Kelp and seaweed communities on sublittoral sediment
Published date 2015-03Shallow sublittoral sediments which support seaweed communities, typically including the kelp Saccharina latissima, the bootlace weed Chorda filum and various red and brown seaweeds, particularly fila...
CR.MCR.EcCr.AdigVt Alcyonium digitatum and faunal crust communities on vertical circalittoral bedrock
Published date 2015-03This biotope typically occurs on the vertical faces and overhangs of exposed to moderately exposed lower infralittoral and upper circalittoral bedrock subject to moderately strong to weak tidal stream...