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LR.FLR.Eph.BLitX Barnacles and Littorina spp. on unstable eulittoral mixed substrata
Published date 2015-03The eulittoral zone, particularly the mid shore zone, of sheltered to extremely sheltered mixed substrata shores is often characterised by flat banks or scards of cobbles and pebbles (on sediment) whi...
IR.HIR.KFaR.AlaAnCrSp Alaria esculenta forest with dense anemones and crustose sponges on extremely exposed infralittoral bedrock
Published date 2015-03This biotope has only been recorded from Rockall, where Alaria esculenta appears to replace Laminaria hyperborea as the dominant kelp forest species on the extremely wave-exposed steep and vertical ro...
SS.SMx.IMx.Ost Ostrea edulis beds on shallow sublittoral muddy mixed sediment
Published date 2015-03Dense beds of the oyster Ostrea edulis can occur on muddy fine sand or sandy mud mixed sediments. There may be considerable quantities of dead oyster shell making up a substantial portion of the subst...
IR.HIR.KFaR.LhypR.Pk Laminaria hyperborea park with dense foliose red seaweeds on exposed lower infralittoral rock
Published date 2015-03Very exposed to exposed lower infralittoral bedrock or large boulders characterised by a kelp park of Laminaria hyperborea with a dense turf of foliose red seaweeds and encrusting coralline algae. The...
LR.HLR.MusB.Sem.FvesR Semibalanus balanoides, Fucus vesiculosus and red seaweeds on exposed to moderately exposed eulittoral rock
Published date 2015-03Exposed and moderately exposed upper and mid eulittoral bedrock characterised by the barnacle Semibalanus balanoides, the limpet Patella vulgata and the whelk Nucella lapillus with a sparse community ...
IR.MIR.KR.Lhyp.Pk Laminaria hyperborea park and foliose red seaweeds on moderately exposed lower infralittoral rock
Published date 2015-03Below the dense kelp forest (Lhyp.Ft) on moderately exposed lower infralittoral bedrock and boulders, the kelp thins out to form a park. Beneath the kelp, the rock and kelp stipes are covered by an of...
SS.SMu.IFiMu.Ocn Ocnus planci aggregations on sheltered sublittoral muddy sediment
Published date 2015-03Dense aggregations of Ocnus planci on various substrata, typically muddy but occasionally with stones or shells, in sheltered conditions such as sea lochs. Philine aperta also characterises this bioto...
LS.LMx.GvMu.HedMx.Cvol Hediste diversicolor and Corophium volutator in littoral gravelly sandy mud
Published date 2015-03Extremely sheltered gravelly sandy mud, subject to variable or reduced salinity. The infaunal community consists of the ragworm Hediste diversicolor, Streblospio shrubsolii, Capitella capitata and Ma...
SS.SMu.SMuVS.NhomTubi Nephtys hombergii and Tubificoides spp. in variable salinity infralittoral soft mud
Published date 2015-03Variable salinity soft infralittoral mud and sandy mud characterised by the polychaete Nephtys hombergii and oligochaetes of the genus Tubificoides. Other characterising species that may be present ar...
IR.HIR.KFaR.Ala Alaria esculenta on exposed sublittoral fringe bedrock
Published date 2015-03Exposed sublittoral fringe bedrock with an Alaria esculenta forest and an encrusting fauna of the mussel Mytilus edulis and barnacles such as Semibalanus balanoides. The kelp Laminaria digitata can be...