EUNIS habitat classification 2017 > M - Marine benthic habitats > MB2 - Infralittoral biogenic habitat > MB23 - Baltic infralittoral biogenic habitat > MB232 - Baltic infralittoral bottoms characterized by shell gravel > MB2321 - Baltic infralittoral shell gravel dominated by kelp

Baltic infralittoral shell gravel dominated by kelp

Description (English)

Baltic bottoms in the photic zone of wich at least 90 % iscoveraged of shell gravel. Perennial attached algae cover at least 10 % of the seabed, and more than other perennial attached erect groups. Out of the perennial attached algae, kelp constitutes at least 50 % of the biovolume.
Physical environment
Salinity range: <11 psu; Exposure range: moderate to high; Depth range: photic zone
Characteristic species
Saccharina latissima, Laminaria digitata, Laminaria hyperboria
Geographic range
South-western Baltic Sea, the Sound Helcom Hub Red List category Near threatened (NT)

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type	code MB2321
Relation to	Annex I habitat types (EU Habitats Directive)

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
Council Directive 92/43/EEC of 21 May 1992 on the conservation of natural habitats and of wild fauna and flora - consolidated version 01/01/2007	Annex I: natural habitat types of community interest whose conservation requires the designation of special areas of conservation	Sandbanks which are slightly covered by sea water all the time	1110	Overlap	http://ec.europa.eu/environm...rective/index_en.htm
Council Directive 92/43/EEC of 21 May 1992 on the conservation of natural habitats and of wild fauna and flora - consolidated version 01/01/2007	Annex I: natural habitat types of community interest whose conservation requires the designation of special areas of conservation	Large shallow inlets and bays	1160	Overlap

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)	A5.113	Baltic shell gravel bottoms in the infralittoral photic zone	narrower
European Red List of Habitats	BAL10	Kelp communities on Baltic infralittoral coarse sediment/shell gravel	narrower

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

History

Classification	Code	Habitat type name	Relationship type
EUNIS Habitat Classification 200410	A5.113	Baltic shell gravel bottoms in the infralittoral photic zone	same
EUNIS Habitat Classification 200308	A4.115	Baltic shell gravel bottoms in the infralittoral photic zone	same
EUNIS Habitat Classification 200202	A4.115	Baltic shell gravel bottoms in the infralittoral photic zone	same
EUNIS Habitat Classification 199910	A4.46	Baltic shell gravel bottoms in the infralittoral photic zone	same

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