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CR.HCR.FaT Very tide-swept faunal communities
Published date 2015-03This biotope complex occurs in wave-exposed, tide-swept narrows and straits on circalittoral bedrock and boulders. The biotopes within this complex are characterised by a high abundance of the robust ...
CR.HCR.XFa.ByErSp.DysAct Mixed turf of bryozoans and erect sponges with Dysidea fragilis and Actinothoe sphyrodeta on tide-swept wave-exposed circalittoral rock
Published date 2015-03This variant typically occurs on exposed and moderately wave-exposed bedrock and boulders subject to a variety of tidal regimes (from strong through to weak). It is found mainly in the 10-20m depth ra...
CR.HCR.XFa.SwiLgAs Mixed turf of hydroids and large ascidians with Swiftia pallida and Caryophyllia smithii on weakly tide-swept circalittoral rock
Published date 2015-03This biotope typically occurs from exposed through to sheltered circalittoral bedrock or boulders subject to moderately strong to weak tidal streams. It is found in water depths ranging from 4m to 37m...
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...
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...
M.AtUA.Ro Atlantic upper abyssal rock and other hard substrata
Published date 2015-03Rock and other hard substrate has a more diverse epifaunal community as species attach to the hard surface that in turn attract more fauna. Deep-sea rock is generally encrusted in a range of species i...
CR.HCR.XFa.FluCoAs.Paur Polyclinum aurantium and Flustra foliacea on sand-scoured tide-swept moderately wave-exposed circalittoral rock
Published date 2015-03This variant is typically found on the upper face of moderately exposed, moderately tide-swept, circalittoral bedrock or boulders. Sand and silt are periodically re-suspended in the water column, resu...
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...
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.SMp Sublittoral macrophyte-dominated communities on sediments
Published date 2015-03This complex includes maerl beds, seaweed dominated mixed sediments (including kelps such as Saccharina latissima and filamentous/foliose red and green algae), seagrass beds, and lagoonal angiosperm c...