EUNIS habitat classification 2017 > M - Marine benthic habitats > MB4 - infralittoral mixed sediment > MB43 - Baltic infralittoral mixed sediment > MB432 - Baltic infralittoral mixed sediment characterized by submerged rooted plants > MB4324 - Baltic infralittoral mixed sediment dominated by Charales

Baltic infralittoral mixed sediment dominated by Charales

Description (English)

altic bottoms in the photic zone with more than 10 %, but less than 90 % coverage of both hard and soft substrata. Submerged rooted plants cover least 10 % of the seabed and more than other perennial attached erect groups. Out of the submerged rooted plants, Charales constitute at least 50 % of the biovolume.
Physical environment:
Salinity range: <6 psu ; Exposure range: low Depth range: photic zone from about 0.2 to 7 meters.
Characteristic species Chara aspera, Chara tomentosa, Tolypella nidifica, Chara horrida, Chara baltica
Geographic range
Whole Baltic Sea

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type	code MB4324
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)	Sandbanks which are slightly covered by sea water all the time	1110	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)	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]

Vegetation types

Relation to vegetation types (syntaxa)

Not available

Species mentioned in habitat description

Algae Chara tomentosa

Species scientific name	English common name	Species group
Chara tomentosa		Algae

Other classifications

Classification	Code	Habitat type name	Relationship type
EUNIS Habitat Classification 2007 (revised descriptions 2012)	A5.5	Sublittoral macrophyte-dominated sediment	narrower
European Red List of Habitats	BAL24	Submerged rooted plant communities on Baltic infralittoral mixed substrata (predominantly soft)	narrower

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

History

Classification	Code	Habitat type name	Relationship type
EUNIS Habitat Classification 200410	A5.5	Sublittoral macrophyte-dominated sediment	same
EUNIS Habitat Classification 200308	A4.555	Baltic level sandy bottoms of the infralittoral photic zone dominated by macrophyte vegetation	narrower
EUNIS Habitat Classification 200308	A4.556	Baltic muds of the infralittoral photic zone dominated by macrophyte vegetation	narrower
EUNIS Habitat Classification 200308	A4.554	Baltic level gravel bottoms of the infralittoral photic zone dominated by macrophyte vegetation	narrower
EUNIS Habitat Classification 200308	A4.557	Baltic mixed sediments of the infralittoral photic zone dominated by macrophyte vegetation	narrower
EUNIS Habitat Classification 200308	A4.5	Sublittoral macrophyte-dominated sediment	same
EUNIS Habitat Classification 200202	A4.5	Shallow sublittoral sediments dominated by angiosperms	same
EUNIS Habitat Classification 199910	A4.5	Shallow-water sediments dominated by angiosperms (other than Posidonia)	same
EUNIS Habitat Classification 199811	A4.5	Infralittoral sediments dominated by macrophytes	same

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