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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.EcCr.FaAlCr.Spi Faunal and algal crusts with Spirobranchus triqueter and sparse Alcyonium digitatum on exposed to moderately wave-exposed circalittoral rock
Published date 2015-03This variant is typically found on the upper faces of exposed and moderately exposed circalittoral bedrock or boulders subjected to moderately strong to weak tidal streams. From afar, the seabed has a...
CR.MCR.CMus.CMyt Mytilus edulis beds with hydroids and ascidians on tide-swept exposed to moderately wave-exposed circalittoral rock
Published date 2015-03This biotope typically occurs on the upper faces of tide-swept circalittoral bedrock, boulders and mixed substrata exposed to varying amounts of wave action. The mussel Mytilus edulis forms dense beds...
LS.LSa.St Strandline
Published date 2015-03The strandline is the shifting line of decomposing seaweed and debris which is typically left behind on sediment (and some rocky shores) at the upper extreme of the intertidal at each high tide. These...
SS.SSa.IMuSa Infralittoral muddy sand
Published date 2015-03Non-cohesive muddy sand (with 5% to 20% silt/clay) in the infralittoral zone, extending from the extreme lower shore down to more stable circalittoral zone at about 15-20 m. The habitat supports a var...
IR.LIR.Lag Submerged fucoids, green or red seaweeds (low salinity infralittoral rock)
Published date 2015-03Very shallow submerged rocky habitats in lagoons, subject to reduced or permanently low salinity conditions. These particular conditions lead to a variety of seaweed-dominated communities, which inclu...
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.SMu.IFiMu Infralittoral fine mud
Published date 2015-03Shallow sublittoral muds, extending from the extreme lower shore to about 15-20 m depth in fully marine or near marine conditions, predominantly in extremely sheltered areas with very weak tidal curre...
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...
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...