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SS.SMu.CSaMu.VirOphPmax Virgularia mirabilis and Ophiura spp. with Pecten maximus on circalittoral sandy or shelly mud
Published date 2015-03Circalittoral fine sandy mud may contain Virgularia mirabilis and Ophiura spp. A variety of species may occur, and species composition at a particular site may relate, to some extent, to the proportio...
LS.LMx.GvMu Hediste-dominated gravelly sandy mud shores
Published date 2015-03Sheltered gravelly sandy mud, subject to reduced salinity, mainly on the mid and lower shore. The infaunal community is dominated by abundant ragworms Hediste diversicolor. Other species of the infaun...
LS.LMx.Mx Species-rich mixed sediment shores
Published date 2015-03Sheltered mixed sediments, usually subject to variable salinity conditions. The infauna is very diverse, dominated by a range of polychaetes including Exogone naidina, Sphaerosyllis taylori, Pygospio ...
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...
LS.LSa.MoSa.AmSco.Sco Scolelepis spp. in littoral mobile sand
Published date 2015-03Exposed and moderately exposed shores of fully marine mobile clean sand, with particle sizes ranging from coarse to very fine. The sediment is not always well sorted, and may contain a subsurface laye...
SS.SBR.PoR.SspiMx Sabellaria spinulosa on stable circalittoral mixed sediment
Published date 2015-03The tube-building polychaete Sabellaria spinulosa at high abundances on mixed sediment. This species typically forms loose agglomerations of tubes forming a low-lying matrix of sand, gravel, mud and t...
LS.LBR.Sab Littoral Sabellaria honeycomb worm reefs
Published date 2015-03The sedentary polychaete Sabellaria alveolata (honeycomb worm) builds tubes from sand and shell. On exposed shores, where there is a plentiful supply of sediment, S. alveolata can form honeycomb reefs...
CR.MCR.EcCr.CarSwi Caryophyllia smithii and Swiftia pallida on circalittoral rock
Published date 2015-03This biotope is typically found on the upper and vertical faces of very exposed through to wave-sheltered circalittoral bedrock and boulders, which are typically subject to weak tidal streams. It is c...
LR.FLR.CvOv Littoral caves and overhangs
Published date 2015-03Where caves and overhangs occur on rocky shores, the shaded nature of the habitat diminishes the amount of desiccation suffered by biota during periods of low tides which allows certain species to pro...
SS.SMp.Ang.NVC A12 Stuckenia pectinata community
Published date 2015-03Low and variable salinity infralittoral mud with beds of Stuckenia pectinata. Other associated species are broadly similar to that of SS.SMp.SSgr.Rup, with blankets of filamentous green algae such as ...