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	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)	Estuaries	1130	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)	Mudflats and sandflats not covered by seawater at low tide	1140	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]
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)	Boreal Baltic narrow inlets	1650	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

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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