EUNIS habitat classification 2017 > M - Marine benthic habitats > MA1 - Littoral rock > MA13 - Baltic hydrolittoral rock > MA138 - Baltic hydrolittoral hard clay characterized by mixed epibenthic macrocommunity

Baltic hydrolittoral hard clay characterized by mixed epibenthic macrocommunity

Description (English)

Baltic bottoms in the hydrolittoral zone (with level fluctuations due to tide or weather ) with at least 90 % coverage of hard clay. No perennial attached erect group has ? 10 % coverage.
Physical environment
Substrate is hard clay. Depth range: photic zone. Typically high energy exposure areas.
Quality descriptors
Diversity, abundance and biomass of fauna.
Geographic range
Whole Baltic Sea

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type	code MA138
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	Estuaries	1130	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	Narrower
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	Reefs	1170	Narrower
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	Baltic esker islands with sandy, rocky and shingle beach vegetation and sublittoral vegetation	1610	Overlap
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	Boreal baltic islets and small islands	1620	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)	A1.48	Hydrolittoral hard clay	narrower

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

History

Classification	Code	Habitat type name	Relationship type
EUNIS Habitat Classification 200410	A1.48	Hydrolittoral hard clay	same
EUNIS Habitat Classification 200308	A1.43	Hydrolittoral hard clay	same
EUNIS Habitat Classification 200202	A1.43	Hydrolittoral hard clay	same
EUNIS Habitat Classification 199910	A1.43	Hydrolittoral hard clay	same

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