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LS.LSa.MoSa.Ol Oligochaetes in littoral mobile sand
Published date 2015-03A species-poor community of oligochaetes occurring in estuarine conditions where sands and gravel are associated with the lower shore river channel in estuaries. The sediment is relatively coarse and ...
SS.SMp.KSwSS.SlatGraVS Saccharina latissima and Gracilaria gracilis with sponges and ascidians on variable salinity infralittoral sediment
Published date 2015-03Shallow kelp community found on stony sediment, in extremely sheltered, variable salinity conditions, with moderately strong tidal currents. The community is characterised by a sparser covering of Sac...
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...
CR.HCR.FaT.BalTub Balanus crenatus and Tubularia indivisa on extremely tide-swept circalittoral rock
Published date 2015-03This biotope typically occurs on upward-facing, extremely tide-swept, circalittoral bedrock, boulders and cobbles found in a broad spectrum of wave-exposures. It is characterised by a few species that...
IR.LIR.Lag.ProtFur Polyides rotunda and/or Furcellaria lumbricalis on reduced salinity infralittoral rock
Published date 2015-03Bedrock and boulders characterised by a dense turf of the red seaweeds Polyides rotunda and/or Furcellaria lumbricalis, often with a dense mat of filamentous brown and green seaweeds including Ectocar...
IR.MIR.KR.Lhyp.Ft Laminaria hyperborea forest and foliose red seaweeds on moderately exposed upper infralittoral rock
Published date 2015-03Moderately exposed upper infralittoral bedrock and boulders characterised by a dense forest of Laminaria hyperborea with dense foliose red seaweeds beneath the canopy. These include Metacallophyllis l...
LR.HLR.MusB.Cht.Lpyg Chthamalus spp. and Lichina pygmaea on steep exposed upper eulittoral rock
Published date 2015-03Areas of steep and vertical rock in the upper eulittoral on very exposed to moderately exposed shores characterised by tufts of the dark brownish lichen Lichina pygmaea and the barnacles Chthamalus mo...
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.Lag.FcerUlv Fucus ceranoides and Ulva spp. on low salinity infralittoral rock
Published date 2015-03Permanently submerged lagoon fringes with dense communities of the wrack Fucus ceranoides and the green seaweed Ulva spp. There is typically a very limited associated biota due to low salinity conditi...
IR.LIR.K.Slat.Gz Grazed Saccharina latissima with Echinus, brittlestars and coralline crusts on sheltered infralittoral rock
Published date 2015-03Coralline encrusted rock with scattered tufts of red seaweed and a relatively high abundance of grazing echinoderms which typically include the urchin Echinus esculentus and/or the brittlestars Ophiot...