EUNIS habitat classification 2017 > M - Marine benthic habitats > MB2 - Infralittoral biogenic habitat > MB25 - Mediterranean infralittoral biogenic habitat > MB252 - Biocenosis of Posidonia oceanica > MB2521 - Ecomorphosis of striped Posidonia oceanica meadows

Ecomorphosis of striped Posidonia oceanica meadows

Description (English)

The Posidonia oceanica striped meadow develops between 0,5 and 3 meters down. It appears as fairly narrow (1 to 2 m wide) ribbons that are up to several dozen meters long, either rectilinear or winding but rarely ramified. The ribbons are separated by stretches of dead matte colonised by a mixed lawn made up of Cymodocea nodosa and Caulerpa prolifera. Cut into sections, the ribbons are asymmetrical with a little drop of matte on one side and a gentle slope on the other. The ribbons are dynamic structures, moving parallel to each other in the face of currents at a speed of some ten centimeters a year.

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type	code MB2521
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)	* Posidonia beds (Posidonion oceanicae)	1120	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)	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]

Vegetation types

Relation to vegetation types (syntaxa)

Not available

Species mentioned in habitat description

Algae Caulerpa prolifera

Flowering Plants Cymodocea nodosa

Flowering Plants Posidonia oceanica

Species scientific name	English common name	Species group
Caulerpa prolifera		Algae
Cymodocea nodosa		Flowering Plants
Posidonia oceanica		Flowering Plants

Other classifications

Classification	Code	Habitat type name	Relationship type
EUNIS Habitat Classification 2007 (revised descriptions 2012)	A5.5351	Ecomorphosis of striped Posidonia oceanica meadows	same

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

History

Classification	Code	Habitat type name	Relationship type
EUNIS Habitat Classification 200410	A5.5351	Ecomorphosis of striped Posidonia oceanica meadows	same
EUNIS Habitat Classification 200308	A4.5611	Ecomorphosis of striped Posidonia oceanica meadows	same
EUNIS Habitat Classification 200202	A4.5611	Ecomorphosis of striped Posidonia oceanica meadows	same
EUNIS Habitat Classification 199910	A4.611	Ecomorphosis of striped Posidonia oceanica meadows	same

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