EUNIS habitat classification 2017 > M - Marine benthic habitats > MC2 - Circalittoral biogenic habitat > MC25 - Mediterranean circalittoral biogenic habitat > MC251 - Coralligenous platforms

Coralligenous platforms

Description (English)

These are coralligenous horizontal formations developing within sedimentary beds subject to currents, at up to at least 100 metres depth in clear waters. These formations are not usually built on rock substrata but result from the active development of constructor organisms (e.g. calcified algae, hard-skeleton invertebrates) from scattered elements on loose beds, shells, stones, and graves. The thickness of these coralligenous formations can vary between a few centimeters and several meters. This type of coralligenous then constitutes slab platforms, thus giving its name to this very specific facies.

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type	code MC251
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)	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

Not available

Other classifications

Classification	Code	Habitat type name	Relationship type
EUNIS Habitat Classification 2007 (revised descriptions 2012)	A4.26D	Coralligenous platforms	same
European Red List of Habitats	MEDA5.6y	Circalittoral biogenic habitats in the Mediterranean - corralligenous bioconcretions	same

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

History

Classification	Code	Habitat type name	Relationship type
EUNIS Habitat Classification 200410	A4.26D	Coralligenous platforms	same
EUNIS Habitat Classification 200308	A3.6AD	Coralligenous platforms	same
EUNIS Habitat Classification 200202	A3.6AD	Coralligenous platforms	same
EUNIS Habitat Classification 199910	A3.6AD	Coralligenous platforms	same

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