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IR.MIR.KR.Lhyp.Sab Sabellaria spinulosa with kelp and red seaweeds on sand-influenced infralittoral rock
Published date 2015-03Laminaria hyperborea kelp forest on shallow infralittoral bedrock and boulders characterised by encrustations of Sabellaria spinulosa tubes which cover much of the rock, together with sand-tolerant re...
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...
LR.HLR.FR Robust fucoid and/or red seaweed communities
Published date 2015-03This biotope complex encompasses those seaweeds that are able to tolerate the extreme conditions of very exposed to moderately exposed rocky shores. The physical stresses caused by wave action often r...
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...
SS.SSa.IFiSa.NcirBat Nephtys cirrosa and Bathyporeia spp. in infralittoral sand
Published date 2015-03Well-sorted medium and fine sands characterised by Nephtys cirrosa and Bathyporeia spp. (and sometimes Pontocrates spp.) which occur in the shallow sublittoral to at least 30 m depth. This biotope occ...
LR.LLR.FVS.FvesVS Fucus vesiculosus on variable salinity mid eulittoral boulders and stable mixed substrata
Published date 2015-03Sheltered to extremely sheltered mid eulittoral pebbles and cobbles lying on sediment subject to variable salinity and characterised by the wrack Fucus vesiculosus. The wrack Ascophyllum nodosum can o...
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...
SS.SMu.SMuVS.PolCvol Polydora ciliata and Corophium volutator in variable salinity infralittoral firm mud or clay
Published date 2015-03Variable salinity clay and firm mud characterised by a turf of the polychaete Polydora ciliata along with the amphipod Corophium volutator. Other important taxa include the polychaetes Pygospio elegan...
SS.SMp.Mrl.Pcal.Nmix Phymatolithon calcareum maerl beds with Neopentadactyla mixta and other echinoderms in deeper infralittoral clean gravel or coarse sand
Published date 2015-03Lower infralittoral maerl beds characterised by Phymatolithon calcareum in gravels and sand with a variety of associated echinoderms. The echinoderm Neopentadactyla mixta is frequently observed in thi...
LR.MLR.BF Barnacles and fucoids on moderately exposed shores
Published date 2015-03Moderately exposed rocky shores characterised by a mosaic of fucoids and barnacles on bedrock and boulders, where the extent of the fucoid cover is typically less than the blanket cover associated wit...