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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 ...
LR.HLR.FR.Osm Osmundea pinnatifida on moderately exposed mid eulittoral rock
Published date 2015-03Exposed to moderately exposed lower eulittoral rock characterised by extensive areas or a distinct band of Osmundea pinnatifida and Gelidium pusillum (either together or separately). This community us...
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...
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...
LR.FLR.Eph.Ulv Ulva spp. on freshwater-influenced and/or unstable upper eulittoral rock
Published date 2015-03Upper shore hard substratum that is relatively unstable (e.g. soft rock) or subject to considerable freshwater runoff is typically very species poor and characterised by a dense mat of Ulva spp., thou...
IR.LIR.IFaVS.HarCon Hartlaubella gelatinosa and Conopeum reticulum on low salinity infralittoral mixed substrata
Published date 2015-03Upper estuarine mixed hard substrata colonised by very sparse communities of animals with low species richness and with a few seaweeds in very shallow water. In the Tamar estuary the hydroid Hartlaube...
IR.HIR.KSed.XKScrR Mixed kelps with scour-tolerant and opportunistic foliose red seaweeds on scoured or sand-covered infralittoral rock
Published date 2015-03Bedrock and boulders, often in tide-swept areas, that are subject to scouring or periodic burial by sand, characterised by a canopy of mixed kelps such as Saccharina latissima, Laminaria hyperborea an...
LR.MLR.BF.FvesB Fucus vesiculosus and barnacle mosaics on moderately exposed mid eulittoral rock
Published date 2015-03Exposed to moderately exposed mid eulittoral bedrock and boulders are frequently characterised by a mosaic of the barnacle Semibalanus balanoides and the wrack Fucus vesiculosus. The limpet Patella vu...
LR.FLR.Lic.Bli Blidingia spp. on vertical littoral fringe soft rock
Published date 2015-03Vertical soft rock in the littoral fringe may be characterised by a band of the green seaweeds Blidingia minima and Blidingia marginata. Unbranched filamentous green seaweeds, including Ulothrix flacc...
LR.HLR.MusB.Sem Semibalanus balanoides on exposed to moderately exposed or vertical sheltered eulittoral rock
Published date 2015-03Exposed to moderately exposed mid to upper eulittoral bedrock and large boulders characterised by dense barnacles Semibalanus balanoides and the limpet Patella vulgata. The community has a relatively ...