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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...
SS.SMx.SMxVS.CreMed Crepidula fornicata and Mediomastus fragilis in variable salinity infralittoral mixed sediment
Published date 2015-03Variable salinity mixed sediment characterised by the slipper limpet Crepidula fornicata and the polychaetes Mediomastus fragilis and Aphelochaeta marioni. Other numerically important taxa include the...
SS.SMp.KSwSS.SlatR.CbPb Red seaweeds and kelps on tide-swept mobile infralittoral cobbles and pebbles
Published date 2015-03Shallow mixed substrata of cobbles and pebbles swept by moderately strong tidal streams in exposed areas, and characterised by dense stands of red seaweeds. Tide-swept infralittoral cobbles and pebble...