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SS.SCS.ICS Infralittoral coarse sediment
Published date 2015-03Moderately exposed habitats with coarse sand, gravelly sand, shingle and gravel in the infralittoral, are subject to disturbance by tidal steams and wave action. Such habitats found on the open coast ...
CR.MCR.SfR.Pol Polydora sp. tubes on moderately exposed sublittoral soft rock
Published date 2015-03Large patches of chalk and soft limestone are occasionally covered entirely by Polydora sp. tubes to the exclusion of almost all other species. This tends to occur in highly turbid conditions and span...
IR.HIR.KSed.DesFilR Dense Desmarestia spp. with filamentous red seaweeds on exposed infralittoral cobbles, pebbles and bedrock
Published date 2015-03Wave-exposed seasonally mobile substrata (pebbles, cobbles) dominated by dense stands of the brown seaweed Desmarestia aculeata and/or Desmarestia ligulata. Infralittoral pebbles and cobbles that are ...
SS.SCS.CCS Circalittoral coarse sediment
Published date 2015-03Tide-swept circalittoral coarse sands, gravel and shingle generally in depths of over 15-20 m. This habitat may be found in tidal channels of marine inlets, along exposed coasts and offshore. This hab...
LS.LSa.MoSa.AmSco.Eur Eurydice pulchra in littoral mobile sand
Published date 2015-03Well-draining beaches of medium- to fine-grained mobile sand, often (but not always) well sorted. Occasionally, a small fraction of coarse sand may be present. The biotope generally occurs on exposed ...
SS.SMx Sublittoral mixed sediment
Published date 2015-03Sublittoral mixed (heterogeneous) sediments found from the extreme low water mark to deep offshore circalittoral habitats. These habitats incorporate a range of sediments including heterogeneous muddy...
M.AtLB.Bi.CorRee Atlantic lower bathyal cold water coral reef (biogenic structure)
Published date 2015-03Reefs formed by Scleractinian corals. In the Atlantic lower bathyal, the reef forming species is Solenosmilia variabilis. Cold water coral reefs are associated with a variety of other coral species, s...
M.ArUA Arctic upper abyssal
Published date 2015-03Arctic waters are much cooler than Atlantic waters (typically below 0°C). Within the UK, Arctic seabed habitats occur at depths greater than 600 m in the Faroe-Shetland Channel. The Arctic upper abyss...
LS.LMu.UEst.Tben Tubificoides benedii and other oligochaetes in littoral mud
Published date 2015-03Extreme upper estuarine fine sandy mud, sometimes with a fine sand fraction, in very sheltered conditions and subject to reduced salinity. An anoxic layer is usually present within the upper 3 cm of t...
M.ArLB.Mx Arctic lower bathyal mixed sediment
Published date 2015-03Deep-sea mixed sediment has not been sampled widely for infauna so little is currently known about infaunal community structure. Epifauna tend to be sparse mobile species. In the absence of ecological...