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LS.LMu Littoral mud
Published date 2015-03Shores of fine particulate sediment, mostly in the silt and clay fraction (particle size less than 0.063 mm in diameter), though sandy mud may contain up to 40% sand (mostly very fine and fine sand). ...
LS.LSa.MuSa.HedMacEte Hediste diversicolor, Macoma balthica and Eteone longa in littoral muddy sand
Published date 2015-03Fine to very fine muddy sand on the mid shore at the lower extreme of estuaries, and in moderately exposed and sheltered bays and marine inlets, sometimes subject to variable salinity. The infauna is ...
LR.MLR.BF.Fser.Pid Fucus serratus and piddocks on lower eulittoral soft rock
Published date 2015-03The lower eulittoral zone on soft rock shores (e.g. chalk) characterised by the wrack Fucus serratus. Much of the community associated with this biotope is the same as the biotope Fserr.FS, but certai...
LR.HLR.FR.Coff Corallina officinalis on exposed to moderately exposed lower eulittoral rock
Published date 2015-03Very exposed to moderately exposed lower eulittoral rock that supports a dense turf of the red seaweed Corallina officinalis, often on wave surged rocky slopes. There is usually a low abundance of oth...
IR.MIR.KR.LhypT.Ft Laminaria hyperborea forest, foliose red seaweeds and a diverse fauna on tide-swept upper infralittoral rock
Published date 2015-03Exposed to moderately exposed, tide-swept bedrock and boulders, with dense Laminaria hyperborea forest, characterised by a rich under-storey and stipe flora of foliose seaweeds. The kelp stipes suppor...
LR.HLR.MusB Mussel and/or barnacle communities
Published date 2015-03Communities on very exposed to moderately exposed upper and mid eulittoral bedrock and boulders dominated by the mussel Mytilus edulis (MytB), barnacles Chthamalus spp. and/or Semibalanus balanoides a...
IR.LIR.KVS.SlatPhyVS Saccharina latissima with Phyllophora spp. and filamentous green seaweeds on variable or reduced salinity infralittoral rock
Published date 2015-03Shallow infralittoral bedrock or boulder slopes, in reduced or low salinity conditions, characterised by the kelp Saccharina latissima with dense stands of silted filamentous green seaweeds and red se...
LS.LMu.MEst.HedMac Hediste diversicolor and Macoma balthica in littoral sandy mud
Published date 2015-03Mainly mid and lower shore sandy mud or mud in lower estuaries, sheltered bays and marine inlets, often subject to variable salinity. The main characterising species are the ragworm Hediste diversicol...
IR.LIR.KVS.Cod Codium spp. with red seaweeds and sparse Saccharina latissima on shallow, heavily-silted, very sheltered infralittoral rock
Published date 2015-03Very shallow, heavily-silted infralittoral rock characterised by dense stands of Codium spp., together with silt-tolerant red seaweeds, the green seaweed Ulva spp. and often only a sparse covering of ...
IR.LIR.KVS.SlatPsaVS Saccharina latissima and Psammechinus miliaris on variable salinity grazed infralittoral rock
Published date 2015-03Sheltered bedrock, boulders and cobbles, in areas of reduced salinity, with kelp Saccharina latissima, and depauperate coralline-encrusted rock supporting few foliose seaweeds but many grazing urchins...