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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.Rkp.Cor.Cor Coralline crusts and Corallina officinalis in shallow eulittoral rockpools
Published date 2015-03Shallow and smaller rockpools throughout the eulittoral zone in a wide range of wave exposures characterised by a covering of encrusting coralline algae on which Corallina officinalis often forms a de...
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...
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...
CR.MCR.SfR.Hia Hiatella-bored vertical sublittoral limestone rock
Published date 2015-03Moderately exposed vertical and overhanging soft rock (typically chalk), subject to moderately strong to weak tidal streams, bored by the rock-boring mollusc Hiatella arctica. As with other biotopes i...
LR.HLR.FT.FserT Fucus serratus, sponges and ascidians on tide-swept lower eulittoral rock
Published date 2015-03Sheltered to extremely sheltered lower eulittoral bedrock, boulders and cobbles that are subject to increased tidal water movement and characterised by the wrack Fucus serratus and a rich assemblage o...
LR.FLR.Lic.Ver Verrucaria maura on littoral fringe rock
Published date 2015-03Bedrock or stable boulders and cobbles in the littoral fringe which is covered by the black lichen Verrucaria maura. This lichen typically covers the entire rock surface giving a distinct black band i...
LS Littoral sediment
Published date 2015-03Littoral sediment includes habitats of shingle (mobile cobbles and pebbles), gravel, sand and mud or any combination of these which occur in the intertidal zone. Littoral sediment is defined further u...
LR.LLR.FVS.Fcer Fucus ceranoides on reduced salinity eulittoral rock
Published date 2015-03Very sheltered to extremely sheltered bedrock and stable boulders in the eulittoral zone that are subject to reduced salinity and characterised by the wrack Fucus ceranoides. Species richness is typic...
LR.HLR.FR.Mas Mastocarpus stellatus and Chondrus crispus on very exposed to moderately exposed lower eulittoral rock
Published date 2015-03Exposed to moderately exposed lower eulittoral vertical to almost horizontal bedrock characterised by a dense turf of Mastocarpus stellatus and Chondrus crispus (either together or separately). Beneat...