EUNIS habitat classification 2017 > M - Marine benthic habitats > MA1 - Littoral rock > MA12 - Atlantic littoral rock > MA121 - Lichens or small green algae on Atlantic supralittoral and littoral fringe rock > MA1214 - Blidingia spp. on vertical littoral fringe chalk

Blidingia spp. on vertical littoral fringe chalk

Description (English)

Vertical soft rock in the littoral fringe may be characterised by a band of the green seaweeds Blidingia minima and Blidingia marginata. Unbranched filamentous green seaweeds, including Ulothrix flacca and Urospora wormskioldii, are found amongst the Blidingia spp. The siphonous Xanthophyceae Vaucheria spp. can also occur in high abundance in this biotope, where they can form dense mats. During low tide terrestrial fauna such as red mites, insects and centipedes migrate into this zone. More information is needed to improve this description.
Situation: MA1-214 is found below the Verrucaria maura zone (MA1-2132) and above a band of the similar looking green algae Enteromorpha spp. (MA1-223 and MA1-23H), where these occur in habitats not influenced by freshwater.

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type	code MA1214
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)	Large shallow inlets and bays	1160	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]
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

Algae Blidingia marginata

Algae Blidingia minima

Algae Ulothrix flacca

Algae Urospora wormskioldii

Species scientific name	English common name	Species group
Blidingia marginata		Algae
Blidingia minima		Algae
Ulothrix flacca		Algae
Urospora wormskioldii		Algae

Other classifications

Classification	Code	Habitat type name	Relationship type
EUNIS Habitat Classification 2007 (revised descriptions 2012)	B3.114	Blidingia spp. on vertical littoral fringe chalk	same

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

History

Classification	Code	Habitat type name	Relationship type
EUNIS Habitat Classification 200410	B3.114	Blidingia spp. on vertical littoral fringe chalk	same
EUNIS Habitat Classification 200308	B3.115	Blidingia spp. on vertical littoral fringe chalk	same
EUNIS Habitat Classification 200202	B3.115	Blidingia spp. on vertical littoral fringe chalk	same
EUNIS Habitat Classification 199910	B3.115	Blidingia spp. on vertical littoral fringe chalk	same
MNCR BioMar 97.06 (Britain & Ireland)	LR.L.Bli	Blidingia spp. on vertical littoral fringe chalk	same

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