Mytilus edulis beds in variable salinity infralittoral mixed sediment
|Marine Habitat Classification for Britain and Ireland Version 97.06
|Shallow sublittoral mixed sediment, often subject to variable salinity conditions, characterised by beds of the common mussel Mytilus edulis. Infaunal species include the polychaetes Heteromastus filiformis and Capitella capitata, the amphipod Gammarus salinus and oligochaetes of the genus Tubificoides. Epifaunal species in addition to the M. edulis include the whelks Nucella lapillus and Buccinum undatum and the common starfish Asterias rubens. This biotope may be an extension of littoral communities SLR.MytX. It is similar to IMX.PolMtru and may be separated by the dominance of M. edulis in 'beds' rather than scattered individuals. Care must be taken with data to ensure juvenile spat recruitments are not classified as mussel beds. (Description based on records from the Tay Estuary; this biotope will require further records to confirm description.)
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