EUNIS habitat classification 2017 > M - Marine benthic habitats > MC2 - Circalittoral biogenic habitat > MC23 - Baltic circalittoral biogenic habitat > MC232 - Baltic circalittoral bottoms dominated by epibenthic polychaetes

Baltic circalittoral bottoms dominated by epibenthic polychaetes

Description (English)

Baltic circalittoral bottoms in the aphotic zone of various sediments.Sessile/semi-sessile epibenthic polychaetes cover at least 10 %of the seabed and more than other perennial attached erect groups.
Physical environment
Substrate is muddy sediment. Depth below approximately 20 m. Appears in all energy exposure classes.
Characteristic species
tube building polychaetes
Geographic range
Whole Baltic Sea

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type	code MC232
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

Not available

Other classifications

Classification	Code	Habitat type name	Relationship type
EUNIS Habitat Classification 2007 (revised descriptions 2012)	A5.6	Sublittoral biogenic reefs	narrower

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

History

Classification	Code	Habitat type name	Relationship type
EUNIS Habitat Classification 200410	A5.6	Sublittoral biogenic reefs	same
EUNIS Habitat Classification 200308	A4.6	Sublittoral biogenic structures	same
EUNIS Habitat Classification 200308	A3.72	Sheltered Modiolus beds	narrower
EUNIS Habitat Classification 200202	A3.72	Sheltered Modiolus beds	narrower
EUNIS Habitat Classification 200202	A4.6	Biogenic structures over sublittoral sediments	same
EUNIS Habitat Classification 199910	A4.48	Biogenic beds on sublittoral mixed sediments	same
EUNIS Habitat Classification 199910	A3.72	Sheltered Modiolus beds	narrower
EUNIS Habitat Classification 199811	A3.72	Sheltered Modiolus beds	same
EUNIS Habitat Classification 199712	A5.32	Sheltered horse mussel Modiolus beds	same
MNCR BioMar 97.06 (Britain & Ireland)	SCR.Mod	Sheltered Modiolus (horse mussel) beds	same
MNCR BioMar 96.7 (Britain & Ireland)	SCR.Mod		same

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