EUNIS habitat classification 2017 > M - Marine benthic habitats > MA6 - Littoral mud > MA63 - Baltic hydrolittoral mud > MA633 - Baltic hydrolittoral mud characterized by sparse or no macroscopic communities

Baltic hydrolittoral mud characterized by sparse or no macroscopic communities

Description (English)

Baltic hydrolittoral bottoms (with level fluctuations due to tide or weather) in the photic zone with at least 90 % coverage of muddy sediment. The sediment must contain at least 20 % of mud, silt or clay (grain size less than 63

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type	code MA633
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	Mudflats and sandflats not covered by seawater at low tide	1140	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	Large shallow inlets and bays	1160	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 narrow inlets	1650	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)	A2.8	Features of littoral sediment	narrower
EUNIS Habitat Classification 2007 (revised descriptions 2012)	A2.861	Hydrolittoral muddy substrata: with little or no macrophyte vegetation	overlap

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

History

Classification	Code	Habitat type name	Relationship type
EUNIS Habitat Classification 200410	A2.8	Features of littoral sediment	same
EUNIS Habitat Classification 200410	A2.861	Hydrolittoral muddy substrata: with little or no macrophyte vegetation	same
EUNIS Habitat Classification 200308	A2.74	Methane seeps in littoral sediments	narrower
EUNIS Habitat Classification 200308	A2.541	Hydrolittoral muddy substrates: with little or no macrophyte vegetation	same
EUNIS Habitat Classification 200202	A2.74	Methane seeps in littoral sediments	same
EUNIS Habitat Classification 200202	A2.541	Hydrolittoral muddy substrates: with little or no macrophyte vegetation	same
EUNIS Habitat Classification 199910	A2.541	Hydrolittoral muddy substrates: with little or no macrophyte vegetation	same

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