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 > MB2323 - Baltic infralittoral shell gravel dominated by epibenthic chordates

Baltic infralittoral shell gravel dominated by epibenthic chordates

Description (English)

Baltic bottoms in the photic zone of which at least 90 % is coveraged of shell gravel. Epibenthic chordates cover at least 10 % of the seabed and more than other perennial attached erect groups.
Physical environment
Substrate is shell gravel. Appears mostly in high energy exposure areas.
Characteristic species
Ciona intestinalis
Geographic range
Southern part of Baltic Sea

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type	code MB2323
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

Invertebrates Ciona intestinalis

Species scientific name	English common name	Species group
Ciona intestinalis		Invertebrates

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	BAL20	Unvegetated communities on Baltic infralittoral 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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