EUNIS habitat classification 2017 > M - Marine benthic habitats > MB2 - Infralittoral biogenic habitat > MB23 - Baltic infralittoral biogenic habitat > MB231 - Baltic infralittoral bottoms dominated by epibentic bivalves

Baltic infralittoral bottoms dominated by epibentic bivalves

Description (English)

Baltic bottoms in the photic zone of which sessile/semi-sessile epibenthic bivalves cover at least 10 % of the seabed and more than other perennial attached erect groups. Salinity range: All; Exposure range: all, more common in exposed areas; Depth range: photic zone
Characteristic species
Mytilus spp, Dreissena polymorpha
Geographic range
Whole Baltic Sea

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type	code MB231
Relation to	Resolution 4 habitat type (used for designation of Emerald sites)

Legal status

Relation to other habitat types mentioned in legal instruments

Legal text	Annex	Name in legal text	Code in legal text	Habitat type relationship	More information
Convention on the conservation of European wildlife and natural habitats	Revised Annex I of Resolution 4 (1996) of the Bern Convention on endangered natural habitats types using the EUNIS habitat classification (year of revision 2010)	Large shallow inlets and bays	1160	Overlap	https://wcd.coe.int/ViewDoc....ckColorLogged=FDC864 Resolution No. 4 (1996) of the Bern Convention lists endangered natural habitats requiring specific conservation measures [and the designation of Areas of Special Conservation Interest (ASCIs) forming the Emerald network]
Convention on the conservation of European wildlife and natural habitats	Revised Annex I of Resolution 4 (1996) of the Bern Convention on endangered natural habitats types using the EUNIS habitat classification (year of revision 2010)	Reefs	1170	Narrower	https://wcd.coe.int/ViewDoc....ckColorLogged=FDC864 Resolution No. 4 (1996) of the Bern Convention lists endangered natural habitats requiring specific conservation measures [and the designation of Areas of Special Conservation Interest (ASCIs) forming the Emerald network]

Vegetation types

Relation to vegetation types (syntaxa)

Not available

Species mentioned in habitat description

Invertebrates Dreissena polymorpha

Species scientific name	English common name	Species group
Dreissena polymorpha		Invertebrates

Other classifications

Classification	Code	Habitat type name	Relationship type
EUNIS Habitat Classification 2007 (revised descriptions 2012)	A5.627	Baltic mussel beds in the infralittoral photic zone	overlap
EUNIS Habitat Classification 2007 (revised descriptions 2012)	A5.6272	Baltic mussel beds of the infralittoral photic zone dominated by macrophyte vegetation	narrower
EUNIS Habitat Classification 2007 (revised descriptions 2012)	A5.6271	Baltic mussel beds in the infralittoral photic zone with little or no macrophyte vegetation	overlap
European Red List of Habitats	BAL7	Epifaunal communities on Baltic infralittoral rock and mixed substrata (predominantly hard);	narrower
European Red List of Habitats	BAL38	Epifaunal communities on Baltic infralittoral muddy sediment	same

For relation to plant communities (syntaxa), see Vegetation types

History

Classification	Code	Habitat type name	Relationship type
EUNIS Habitat Classification 200410	A5.627	Baltic mussel beds in the infralittoral photic zone	same
EUNIS Habitat Classification 200410	A5.6272	Baltic mussel beds of the infralittoral photic zone dominated by macrophyte vegetation	same
EUNIS Habitat Classification 200410	A5.6271	Baltic mussel beds in the infralittoral photic zone with little or no macrophyte vegetation	same
EUNIS Habitat Classification 200308	A4.558	Baltic Mytilus edulis beds of the infralittoral photic zone dominated by macrophyte vegetation	same
EUNIS Habitat Classification 200308	A4.6421	Baltic Mytilus edulis beds in the infralittoral photic zone with little or no macrophyte vegetation	same
EUNIS Habitat Classification 200308	A3.72	Sheltered Modiolus beds	wider
EUNIS Habitat Classification 200308	A4.642	Baltic Mytilus edulis beds in the infralittoral photic zone	same
EUNIS Habitat Classification 200202	A4.558	Baltic Mytilus edulis beds of the infralittoral photic zone dominated by macrophyte vegetation	same
EUNIS Habitat Classification 200202	A4.6421	Baltic Mytilus edulis beds in the infralittoral photic zone with little or no macrophyte vegetation	same
EUNIS Habitat Classification 200202	A4.642	Baltic Mytilus edulis beds in the infralittoral photic zone	same
EUNIS Habitat Classification 199910	A4.47	Baltic Mytilus edulis beds in the infralittoral photic zone	same
EUNIS Habitat Classification 199910	A4.558	Baltic Mytilus edulis beds of the infralittoral photic zone dominated by macrophyte vegetation	same
EUNIS Habitat Classification 199910	A4.471	Baltic Mytilus edulis beds in the infralittoral photic zone with little or no macrophyte vegetation	same
EUNIS Habitat Classification 199811	A3.33	Mussel beds on sheltered infralittoral rock	same
EUNIS Habitat Classification 199712	A3.33	Mussels beds on sheltered infralittoral rock	same
Palaearctic Habitat Classification 199905	11.254	Part of Mussel beds	narrower
Palaearctic Habitat Classification 1997	11.254	Part of Mussel beds	narrower
Palaearctic Habitat Classification 1996	11.254		narrower
Palaearctic Habitat Classification 1993	11.254		narrower
CORINE Biotopes Classification 1991	11.254		narrower
MNCR BioMar 96.7 (Britain & Ireland)	SIR.Myt		same

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