EUNIS habitat classification 2017 > M - Marine benthic habitats > MA1 - Littoral rock > MA15 - Mediterranean littoral rock > MA155 - Biocenosis of Mediterranean mediolittoral caves and overhangs > MA1551 - Association with Phymatolithon lenormandii and Hildenbrandia rubra

Association with Phymatolithon lenormandii and Hildenbrandia rubra

Description (English)

The characteristic species of this association are the red algae Phymatolithon lenormandii and Hildenbrandia rubra. This association lives under the red alga Lithophyllum byssoides (ex Lithophyllum lichenoides) edge and at the entrance to mediolittoral caves, in sciaphilous ambiences. Some writers signal it at the level of small cavities in the substratum of Cystoseira amentacea. There it is probably an enclave in the superficial fringe of the infralittoral stage. Characteristic species are few: Phymatolithon lenormandii, Cruoriella armorica, Hildenbrandia rubra and Gymnothamnion elegans. In the most sciaphilous situations Phymatolithon lenormandii disappears.

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type	code MA1551
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]
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)	Submerged or partially submerged sea caves	8330	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 Cystoseira amentacea

Algae Hildenbrandia rubra

Algae Lithophyllum byssoides

Algae Lithophyllum lichenoides

Algae Phymatolithon lenormandii

Species scientific name	English common name	Species group
Cystoseira amentacea		Algae
Hildenbrandia rubra		Algae
Lithophyllum byssoides		Algae
Lithophyllum lichenoides		Algae
Phymatolithon lenormandii		Algae

Other classifications

Classification	Code	Habitat type name	Relationship type
EUNIS Habitat Classification 2007 (revised descriptions 2012)	A1.44B	Association with Phymatolithon lenormandii and Hildenbrandia rubra	same

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

History

Classification	Code	Habitat type name	Relationship type
EUNIS Habitat Classification 200410	A1.44B	Association with Phymatolithon lenormandii and Hildenbrandia rubra	same
EUNIS Habitat Classification 200308	A1.614	Association with Phymatolithon lenormandii and Hildenbrandia rubra	same
EUNIS Habitat Classification 200202	A1.614	Association with Phymatolithon lenormandii and Hildenbrandia rubra	same
EUNIS Habitat Classification 199910	A1.614	Association with Phymatolithon lenormandii and Hildenbrandia rubra	same

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