EUNIS habitat classification 2017 > M - Marine benthic habitats > MC2 - Circalittoral biogenic habitat > MC22 - Atlantic circalittoral biogenic habitat > MC223 - Bivalve reefs in the Atlantic circalittoral zone

Bivalve reefs in the Atlantic circalittoral zone

Description (English)

Sublittoral mussel beds comprised of either the horse mussel Modiolus modiolus or the common mussel Mytilus edulis. These communities may be sublittoral extensions of littoral reefs or exist independently. Found in a variety of habitats ranging from sheltered estuaries and marine inlets to open coasts and offshore areas they may occupy a range of substrata, although due to the stabilising effect such communities have on the substratum muddy mixed sediments are typical. A diverse range of epibiota and infauna often exists in these communities.

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type code MC223
Relation to Resolution 4 habitat type (used for designation of Emerald sites)

Vegetation types

Relation to vegetation types (syntaxa)

Not available

Species mentioned in habitat description

Invertebrates Modiolus modiolus
Invertebrates Mytilus edulis
Species scientific name English common name Species group
Modiolus modiolus Invertebrates
Mytilus edulis Invertebrates

History

Classification Code Habitat type name Relationship type Comment
EUNIS Habitat Classification 200410 A5.62 Sublittoral mussel beds on sediment same
EUNIS Habitat Classification 200308 A4.64 Sublittoral mussel beds on sediment same
EUNIS Habitat Classification 200308 A4.432 Mytilus edulis beds in variable salinity shallow-water mixed sediment narrower
EUNIS Habitat Classification 200308 A4.442 Modiolus modiolus beds on circalittoral mixed sediment narrower
EUNIS Habitat Classification 200202 A4.64 Structures formed by mussels over sublittoral sediment narrower
EUNIS Habitat Classification 200202 A4.432 Mytilus edulis beds in variable salinity shallow-water mixed sediment narrower
EUNIS Habitat Classification 200202 A4.442 Modiolus modiolus beds on circalittoral mixed sediment narrower
EUNIS Habitat Classification 199910 A4.452 Mytilus edulis beds in variable salinity shallow-water mixed sediment narrower
EUNIS Habitat Classification 199910 A4.492 Modiolus modiolus beds on circalittoral mixed sediment narrower
EUNIS Habitat Classification 199811 A4.92 Modiolus modiolus beds on circalittoral mixed sediment narrower
MNCR BioMar 97.06 (Britain & Ireland) CMX.ModMx Modiolus modiolus beds on circalittoral mixed sediment narrower
MNCR BioMar 97.06 (Britain & Ireland) IMX.EstMx.MytV Mytilus edulis beds in variable salinity infralittoral mixed sediment narrower
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