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IR.FIR.SG.CC Coralline crusts in surge gullies and scoured infralittoral rock
Published date 2015-03Scoured rock in wave-surged caves, tunnels or gullies often looks rather bare, and may be characterised by a limited scour-tolerant fauna of Balanus crenatus and/or Spirobranchus triqueter with spiror...
SS.SSa.SSaVS.NcirAm Nephtys cirrosa and amphipods in variable salinity infralittoral mobile sand
Published date 2015-03Mobile sand in variable salinity conditions where tidal currents create an unstable, shifting habitat. Characteristic species include the polychaetes Nephtys cirrosa and Scoloplos armiger along with a...
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...
SS.SSa.CMuSa Circalittoral muddy sand
Published date 2015-03Circalittoral non-cohesive muddy sands with the silt content of the substratum typically ranging from 5% to 20%. This habitat is generally found in water depths of over 15-20m and supports animal-domi...
SS.SMu.CFiMu.SpnMeg Seapens and burrowing megafauna in circalittoral fine mud
Published date 2015-03Plains of fine mud at depths greater than about 15 m may be heavily bioturbated by burrowing megafauna; burrows and mounds may form a prominent feature of the sediment surface with conspicuous populat...
LS.LMu.UEst.NhomStr Nephtys hombergii and Streblospio shrubsolii in littoral mud
Published date 2015-03Soft wet mud with a fine sand fraction, on the mid and lower shore of sheltered estuaries, usually with an anoxic layer present within the first 5 cm of the sediment. The infauna is relatively poor, d...
SS.SMu.OMu.StyPse Styela gelatinosa, Pseudamussium peslutrae and solitary ascidians on sheltered deep circalittoral muddy sediment
Published date 2015-03This biotope is known only from deep water in Loch Goil (Clyde sea lochs) in fine mud at 65 m with terrigenous debris. Large numbers of solitary ascidians, including Styela gelatinosa, Ascidia conchil...
SS.SMp.Mrl.Lfas Lithophyllum fasciculatum maerl beds on infralittoral mud
Published date 2015-03Shallow, sheltered infralittoral muddy plains with Lithophyllum fasciculatum maerl. This rarely recorded maerl species forms flattened masses or balls several centimetres in diameter (Irvine & Chamber...
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...
IR.MIR.KR.LhypVt Laminaria hyperborea on moderately exposed vertical rock.
Published date 2015-03LhypVt is found on moderately exposed coasts in moderately strong to weak tidal streams generally in 0-20m water depth. It is characterised by the kelp Laminaria hyperborea, the soft coral Alcyonium d...