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CR.HCR.XFa.ByErSp Bryozoan turf and erect sponges on tide-swept circalittoral rock
Published date 2015-03This biotope is typically found on wave-exposed circalittoral bedrock or boulders subject to tidal streams ranging from moderately strong to strong. It often has a thin layer of silt covering the seab...
CR.HCR.XFa.FluCoAs.Paur Polyclinum aurantium and Flustra foliacea on sand-scoured tide-swept moderately wave-exposed circalittoral rock
Published date 2015-03This variant is typically found on the upper face of moderately exposed, moderately tide-swept, circalittoral bedrock or boulders. Sand and silt are periodically re-suspended in the water column, resu...
CR.MCR.CFaVS.CuSpH.As Cushion sponges, hydroids and ascidians on turbid tide-swept sheltered circalittoral rock
Published date 2015-03This sub-biotope typically occurs in a mixture of turbid, full and variable salinity water, on wave-sheltered and moderately exposed bedrock or boulders. Tidal streams are typically moderately strong ...
SS.SSa Sublittoral sands and muddy sands
Published date 2015-03Clean medium to fine sands or non-cohesive slightly muddy sands on open coasts, offshore or in estuaries and marine inlets. Such habitats are often subject to a degree of wave action or tidal currents...
M.AtUA.Ro Atlantic upper abyssal rock and other hard substrata
Published date 2015-03Rock and other hard substrate has a more diverse epifaunal community as species attach to the hard surface that in turn attract more fauna. Deep-sea rock is generally encrusted in a range of species i...
CR.MCR.CSab.Sspi.As Sabellaria spinulosa, didemnids and other small ascidians on tide-swept moderately wave-exposed circalittoral rock
Published date 2015-03This variant is typically found on tide-swept, moderately wave-exposed circalittoral bedrock, boulders and cobbles subject to slight sand-scour. It occurs predominantly in the lower circalittoral. Thi...
SS.SMp Sublittoral macrophyte-dominated communities on sediments
Published date 2015-03This complex includes maerl beds, seaweed dominated mixed sediments (including kelps such as Saccharina latissima and filamentous/foliose red and green algae), seagrass beds, and lagoonal angiosperm c...
M.AtLA.Sa Atlantic lower abyssal sand
Published date 2015-03Deep-sea sand sediments have a diverse infaunal community dominated by polychaetes. Epifauna tend to be sparse, mobile species, or burrowing fauna such as anemones and brittlestars visible at the surf...
CR.HCR.FaT Very tide-swept faunal communities
Published date 2015-03This biotope complex occurs in wave-exposed, tide-swept narrows and straits on circalittoral bedrock and boulders. The biotopes within this complex are characterised by a high abundance of the robust ...
CR.FCR.FouFa.Aasp Ascidiella aspersa on circalittoral artificial substrata
Published date 2015-03Sheltered artificial substrata (such as discarded fishing nets or scrap metal on muddy sediment plains), sometimes subject to variable salinity, with high numbers of the ascidian Ascidiella aspersa wh...