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LR.LLR.F.Asc.X Ascophyllum nodosum on full salinity mid eulittoral mixed substrata

Published date 2015-03

Sheltered to extremely sheltered full salinity mixed substrata (cobbles, boulders and pebbles on sediment) characterised by a canopy formed by a mosaic of the wracks Ascophyllum nodosum and Fucus vesi...


LS.LMx Littoral mixed sediment

Published date 2015-03

Shores of mixed sediments ranging from muds with gravel and sand components to mixed sediments with pebbles, gravels, sands and mud in more even proportions. By definition, mixed sediments are poorly ...


IR.LIR.K.Slat.Ft Saccharina latissima forest on very sheltered upper infralittoral rock

Published date 2015-03

Sheltered to extremely sheltered sublittoral fringe and infralittoral bedrock, boulders and cobbles characterised by a dense canopy of the kelp Saccharina latissima. In such sheltered conditions, a di...


LR.LLR.FVS.Ascmac Ascophyllum nodosum ecad mackaii beds on extremely sheltered mid eulittoral mixed substrata

Published date 2015-03

Extremely sheltered mid shore mixed substrata, usually subject to variable salinity due to freshwater runoff, which support beds of the non-attached growth form of the wrack Ascophyllum nodosum ecad m...


SS.SSa.SSaVS.MoSaVS Infralittoral mobile sand in variable salinity (estuaries)

Published date 2015-03

Very mobile sand in areas of strong tidal currents and variable salinity. No stable community is able to develop within this extremely mobile and abrasive habitat. The fauna encountered in this habita...


SS.SSa.OSa.MalEdef Maldanid polychaetes and Eudorellopsis deformis in offshore circalittoral sand or muddy sand

Published date 2015-03

In deep offshore sand or non-cohesive muddy sand dense populations of maldanid polychaetes such as Maldane sarsi and the cumacean Eudorellopsis deformis may be found. Accompanying these species are ab...


IR.MIR Moderate energy infralittoral rock

Published date 2015-03

This habitat complex occurs on predominantly moderately wave-exposed bedrock and boulders, subject to moderately strong to weak tidal streams. On the bedrock and stable boulders there is typically a n...


LR.LLR.F.Fves Fucus vesiculosus on moderately exposed to sheltered mid eulittoral rock

Published date 2015-03

Moderately exposed to very sheltered mid eulittoral bedrock and large boulders characterised by a dense canopy of the wrack Fucus vesiculosus (Abundant to Superabundant). Beneath the seaweed canopy th...


SS.SMu.CFiMu.BlyrAchi Brissopsis lyrifera and Amphiura chiajei in circalittoral mud

Published date 2015-03

Mud in deep offshore, or shallower stable nearshore, waters can be characterised by the urchin Brissopsis lyrifera and the brittle star Amphiura chiajei. Where intense benthic dredge fishing activity ...


SS.SMp.SSgr.Zmar Zostera marina/angustifolia beds on lower shore or infralittoral clean or muddy sand

Published date 2015-03

Expanses of clean or muddy fine sand and sandy mud in shallow water and on the lower shore (typically to about 5 m depth) can have dense stands of Zostera marina/angustifolia [Note: the taxonomic stat...



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