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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...
LR.HLR.MusB.Sem.Sem Semibalanus balanoides, Patella vulgata and Littorina spp. on exposed to moderately exposed or vertical sheltered eulittoral rock
Published date 2015-03Very exposed to sheltered mid to upper eulittoral bedrock and large boulders characterised by dense barnacles Semibalanus balanoides and the limpet Patella vulgata. The community has a relatively low ...
SS.SMu.CFiMu.SpnMeg.Fun Seapens, including Funiculina quadrangularis, and burrowing megafauna in undisturbed circalittoral fine mud
Published date 2015-03Deep muds, especially in sea lochs, support forests of the nationally scarce Funiculina quadrangularis, in addition to populations of the seapens Virgularia mirabilis and Pennatula phosphorea. The sed...
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.HIR.KFaR.LhypR Laminaria hyperborea with dense foliose red seaweeds on exposed infralittoral rock
Published date 2015-03Very exposed to exposed infralittoral bedrock or large boulders characterised by the kelp Laminaria hyperborea, beneath which is a dense turf of foliose red seaweeds. Three variations of this biotope ...
SS.SMu.CSaMu.VirOphPmax Virgularia mirabilis and Ophiura spp. with Pecten maximus on circalittoral sandy or shelly mud
Published date 2015-03Circalittoral fine sandy mud may contain Virgularia mirabilis and Ophiura spp. A variety of species may occur, and species composition at a particular site may relate, to some extent, to the proportio...
LR.LLR.F.Fserr.X Fucus serratus on full salinity lower eulittoral mixed substrata
Published date 2015-03Sheltered to extremely sheltered full salinity lower eulittoral mixed substrata with dense stands of the wrack Fucus serratus. The crab Carcinus maenas and a large number of winkles such as Littorina ...
LS.LSa.St Strandline
Published date 2015-03The strandline is the shifting line of decomposing seaweed and debris which is typically left behind on sediment (and some rocky shores) at the upper extreme of the intertidal at each high tide. These...
LS.LMp.Sm Saltmarsh
Published date 2015-03Angiosperm-dominated stands of vegetation, occurring on the extreme upper shore of sheltered coasts and periodically covered by spring high tides. The vegetation develops on a variety of sandy and mud...
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...