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SS.SCS.OCS Offshore circalittoral coarse sediment
Published date 2015-03Offshore (deep) circalittoral habitats with coarse sands and gravel or shell. This habitat may cover large areas of the offshore continental shelf although there is relatively little quantitative data...
LR.FLR.CvOv.SpByAs Sponges, bryozoans and ascidians on deeply overhanging lower shore bedrock or caves
Published date 2015-03Overhanging, and shaded vertical, bedrock on the lower shore and in lower shore caves, which is not subject to appreciable wave-surge, characterised by crusts of bryozoans including Oshurkovia littora...
IR.HIR.KFaR.LhypRVt Laminaria hyperborea and red seaweeds on exposed vertical rock
Published date 2015-03On exposed coasts with moderately strong to weak tidal currents generally at depths of 0-10m, vertical rock communities dominated by frequent Laminaria hyperborea and its commonly associated red seawe...
LR.FLR.Lic.UloUro Ulothrix flacca and Urospora spp. on freshwater-influenced vertical littoral fringe soft rock
Published date 2015-03An assemblage of the small un-branched filamentous green seaweeds Ulothrix flacca, Urospora penicilliformis and Urospora wormskioldii at High Water Spring Tide level on steep and vertical rock often i...
IR.HIR.KSed.Sac Saccorhiza polyschides and other opportunistic kelps on disturbed sublittoral fringe rock
Published date 2015-03Exposed low-lying reefs in the sublittoral fringe or upper infralittoral (generally above 5m depth), mainly in the southwest and west, dominated by the kelp Saccorhiza polyschides. This opportunistic ...
LR.MLR.MusF.MytPid Mytilus edulis and piddocks on eulittoral firm clay
Published date 2015-03Clay outcrops in the mid to lower eulittoral which are bored by a variety of piddocks including Pholas dactylus, Barnea candida and Petricolaria pholadiformis. The surface of the clay is characterised...
LR.HLR High energy littoral rock
Published date 2015-03Extremely exposed to moderately exposed or tide-swept bedrock and boulder shores. Extremely exposed shores dominated by mussels and barnacles, occasionally with robust fucoids or turfs of red seaweed....
LR.MLR.BF.PelB Pelvetia canaliculata and barnacles on moderately exposed littoral fringe rock
Published date 2015-03Exposed to moderately exposed steep, lower littoral fringe rock and mixed substrata characterised by the wrack Pelvetia canaliculata and sparse barnacles Chthamalus montagui and Semibalanus balanoides...
IR.MIR.KR.Ldig Laminaria digitata on moderately exposed sublittoral fringe rock
Published date 2015-03Exposed to moderately exposed sublittoral fringe rock characterised by the kelp Laminaria digitata with coralline crusts covering the rock beneath the kelp canopy. Foliose red seaweeds such as Palmari...
SS.SBR.PoR.Ser Serpula vermicularis reefs on very sheltered infralittoral muddy sand
Published date 2015-03Large clumps (mini 'reefs') of the calcareous tubes of Serpula vermicularis, typically attached to stones on muddy sediment in very sheltered conditions in sea lochs and other marine inlets. A rich as...