2296 page results
M.AtMB.Bi Atlantic mid bathyal biogenic structure
Published date 2015-03A biogenic structure is formed when reef-forming species, such as cold water corals, attach to any hard substrate present and grow over the surrounding area forming a secondary substrate over the top....
CR.HCR.XFa.FluCoAs.X Flustra foliacea and colonial ascidians on tide-swept exposed circalittoral mixed substrata
Published date 2015-03This variant is typically found on very exposed to moderately exposed, circalittoral mixed substrata subject to moderately strong tidal streams. It most frequently occurs between 10m and 20m water dep...
LR.LLR.F Fucoids on sheltered marine shores
Published date 2015-03Dense blankets of fucoid seaweeds dominating sheltered to extremely sheltered rocky shores and/or in locally sheltered patches on exposed to moderately exposed rocky shores. Typically, the wrack Pelve...
M.AAUB.Sa Atlanto-Arctic upper bathyal 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...
IR.LIR.K.Sar Sargassum muticum on shallow slightly tide-swept infralittoral mixed substrata
Published date 2015-03Mixed substrata from the sublittoral fringe to 5m below chart datum dominated by the brown seaweed Sargassum muticum. This invasive non-native brown seaweed can form a dense canopy on areas of mixed s...
SS.SMx.IMx.SpavSpAn Sabella pavonina with sponges and anemones on infralittoral mixed sediment
Published date 2015-03Muddy gravelly sand with pebbles off shallow, sheltered or moderately exposed coasts or embayments may support dense populations of the peacock worm Sabella pavonina. This community may also support p...
SS.SMu.CSaMu.AfilEten Amphiura filiformis and Ennucula tenuis in circalittoral and offshore sandy mud
Published date 2015-03In cohesive and non-cohesive sandy mud, off moderately exposed coasts in deep water dense populations of Amphiura filiformis with the bivalve Ennucula tenuis may occur. This biotope together with SS.S...
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...
LS.LMp.Sm Saltmarsh
Published date 2015-03Angiosperm-dominated stands of vegetation, occurring on the extreme upper shore of sheltered coasts and periodically covered by spring high tides. The vegetation develops on a variety of sandy and mud...
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...