EUNIS habitat classification 2017 > M - Marine benthic habitats > MB1 - Infralittoral rock > MB12 - Atlantic infralittoral rock > MB126 - Faunal communities on variable or reduced salinity Atlantic infralittoral rock > MB1263 - Hartlaubella gelatinosa and Conopeum reticulum on low salinity Atlantic infralittoral mixed substrata

Hartlaubella gelatinosa and Conopeum reticulum on low salinity Atlantic infralittoral mixed substrata

Description (English)

Upper estuarine mixed hard substrata colonised by very sparse communities of animals with low species richness and with a few seaweeds in very shallow water. In some sites, the hydroid Hartlaubella gelatinosa and bryozoan Conopeum reticulum are found on stones. In others, the bryozoan Bowerbankia imbricata is most abundant. The mussel Mytilus edulis, the crab Carcinus maenas and the hydroid Obelia dichotoma can be present. There are considerable differences in species composition between sites, but all occur in brackish turbid-water conditions. More information required to validate this description.

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type	code MB1263
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)	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)	Reefs	1170	Narrower	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

Invertebrates Carcinus maenas

Invertebrates Mytilus edulis

Invertebrates Obelia dichotoma

Species scientific name	English common name	Species group
Carcinus maenas		Invertebrates
Mytilus edulis		Invertebrates
Obelia dichotoma		Invertebrates

Other classifications

Classification	Code	Habitat type name	Relationship type
EUNIS Habitat Classification 2007 (revised descriptions 2012)	A3.363	Hartlaubella gelatinosa and Conopeum reticulum on low salinity infralittoral mixed substrata	same

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

History

Classification	Code	Habitat type name	Relationship type
EUNIS Habitat Classification 200410	A3.363	Hartlaubella gelatinosa and Conopeum reticulum on low salinity infralittoral mixed substrata	same
EUNIS Habitat Classification 200308	A3.323	Hartlaubella gelatinosa and Conopeum reticulum on low salinity infralittoral mixed substrata	same
EUNIS Habitat Classification 200202	A3.323	Hartlaubella gelatinosa and Conopeum reticulum on low salinity infralittoral mixed substrata	same
EUNIS Habitat Classification 199910	A3.323	Hartlaubella gelatinosa and Conopeum reticulum on low salinity infralittoral mixed substrata	same
MNCR BioMar 97.06 (Britain & Ireland)	SIR.EstFa.HarCon	Hartlaubella gelatinosa and Conopeum reticulum on low salinity infralittoral mixed substrata	same

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