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LS.LMx.Mx.CirCer Cirratulids and Cerastoderma edule in littoral mixed sediment
Published date 2015-03Sheltered mixed sediments, usually subject to variable salinity conditions. Banks of shell may be present. The infauna is very diverse, dominated by a range of polychaetes including Exogone naidina, S...
CR.FCR.FouFa.AdigMsen Alcyonium digitatum and Metridium senile on moderately wave-exposed circalittoral steel wrecks
Published date 2015-03This biotope is found on moderately wave-exposed circalittoral steel wrecks that are subject to moderately strong to weak tidal streams. The vertical and upward facing sides of the wreck stand proud o...
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.SMu.CFiMu.MegMax Burrowing megafauna Maxmuelleria lankesteri in circalittoral mud
Published date 2015-03In circalittoral stable mud distinctive populations of megafauna may be found with a range of component fauna. This biotope may include the decapod crustaceans Nephrops norvegicus, Munida rugosa, Calo...
SS.SMu.CSaMu.LkorPpel Lagis koreni and Phaxas pellucidus in circalittoral sandy mud
Published date 2015-03In stable circalittoral sandy mud dense populations of the tube building polychaete Lagis koreni may occur. Other species found in this habitat typically include bivalves such as Phaxas pellucidus, Ku...
SS.SMu.ISaMu.KurAbr Kurtiella bidentata and Abra spp. in infralittoral sandy mud
Published date 2015-03Cohesive sandy mud, sometimes with a small quantity of shell in shallow water may contain the bivalves Kurtiella bidentata and Abra spp. (typically A. alba and A. nitida). Other characteristic taxa ma...
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.SCS.CCS.Pkef Protodorvillea kefersteini and other polychaetes in impoverished circalittoral mixed gravelly sand
Published date 2015-03In coarse gravelly or shelly sand sometimes with a slight mud content, along open coasts in depths of 10 to 30 m, and in shallower offshore areas, an impoverished community characterised by Protodorvi...
SS.SMu.ISaMu.CundAasp Cylista undata and Ascidiella aspersa on infralittoral sandy mud
Published date 2015-03Sheltered sublittoral mud or sandy mud in shallow water with relatively few conspicuous species may be characterised by the anemone Cylista undata in low numbers and the tunicate Ascidiella aspersa. O...
LR.FLR.CvOv.RpurPlac Rhodochorton purpureum and Pleurocladia lacustris crusts on upper and mid-shore cave walls and ceilings
Published date 2015-03Golden brown velvety growths of the brown algae Pleurocladia lacustris occurring in mats with the red alga Rhodochorton purpureum forming on cave walls and upper littoral levels of cliffs. Fauna is sp...