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LS.LSa.MuSa.HedMacEte Hediste diversicolor, Macoma balthica and Eteone longa in littoral muddy sand
Published date 2015-03Fine to very fine muddy sand on the mid shore at the lower extreme of estuaries, and in moderately exposed and sheltered bays and marine inlets, sometimes subject to variable salinity. The infauna is ...
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...
SS.SMu.OMu.CapThy Capitella capitata and Thyasira spp. in organically-enriched offshore circalittoral mud and sandy mud
Published date 2015-03In circalittoral and deep offshore mud and sandy mud adjacent to oil or gas platforms, organic enrichment from drill cuttings leads to the development of communities dominated by the Capitella capitat...
LS.LSa.MoSa.Ol Oligochaetes in littoral mobile sand
Published date 2015-03A species-poor community of oligochaetes occurring in estuarine conditions where sands and gravel are associated with the lower shore river channel in estuaries. The sediment is relatively coarse and ...
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...
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.KVS.Cod Codium spp. with red seaweeds and sparse Saccharina latissima on shallow, heavily-silted, very sheltered infralittoral rock
Published date 2015-03Very shallow, heavily-silted infralittoral rock characterised by dense stands of Codium spp., together with silt-tolerant red seaweeds, the green seaweed Ulva spp. and often only a sparse covering of ...
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.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...
LR.FLR.Lic.Ver.B Verrucaria maura and sparse barnacles on exposed littoral fringe rock
Published date 2015-03The littoral fringe of very exposed to moderately exposed rocky shores with a sparse covering of the barnacles Semibalanus balanoides and/or Chthamalus montagui over the black lichen Verrucaria maura....