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SS.SMp.KSwSS.SlatR.Mu Saccharina latissima with red and brown seaweeds on lower infralittoral muddy mixed sediment
Published date 2015-03Slightly deeper kelp community in the lower infralittoral, found on sandy gravelly mud, in sheltered and very sheltered conditions, with very weak tidal currents. The community is characterised by occ...
IR.MIR.KR.Lhyp.GzFt Grazed Laminaria hyperborea forest with coralline crusts on upper infralittoral rock
Published date 2015-03Exposed to moderately exposed Laminaria hyperborea forest is in some areas intensely grazed by the urchin Echinus esculentus. The rock surface lacks a significant turf of foliose seaweeds and generall...
IR.HIR.KFaR.LhypPar Sparse Laminaria hyperborea and dense Paracentrotus lividus on exposed infralittoral limestone
Published date 2015-03This biotope is known from only one location, the Aran Islands, Co. Galway. Here, a limestone platform between 3 m and 6 m of depth is dominated by a dense population of the urchin Paracentrotus livid...
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...
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...
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...
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...
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...
IR.LIR.IFaVS.CcasEin Cordylophora caspia and Einhornia crustulenta on reduced salinity infralittoral rock
Published date 2015-03Shallow sublittoral rock in the upper estuary of one of the south-west inlets (Tamar) with very high turbidity and therefore no seaweeds. The brackish-water hydroid Cordylophora caspia and small colon...
IR.HIR.KSed.ProtAhn Polyides rotunda, Ahnfeltia plicata and Chondrus crispus on sand-covered infralittoral rock
Published date 2015-03Low-lying rock surrounded by mobile sand and often subject to burying by the sand, with a turf of resilient red seaweeds Chondrus crispus, Polyides rotunda and Ahnfeltia plicata typically protruding t...