EUNIS habitat classification 2017 > M - Marine benthic habitats > MB1 - Infralittoral rock > MB15 - Mediterranean infralittoral rock > MB151 - Biocenosis of Mediterranean infralittoral algae

Biocenosis of Mediterranean infralittoral algae

Description (English)

This biocenosis is located in the infralittoral stage. The infralittoral stage extends from areas where only accidentally does something emerge above the water, to the survival limit of the marine phanerogams and the photophilous algae. This lower limit depends on the penetration of light, and thus varies greatly with the topography and the quality of the water. In areas of very clear water, it can go down to 35-40 meters, whereas it is restricted to only a few meters in turbid areas. All the rocky substrata of the infralittoral stage where the conditions of the stage prevail are covered with many different photophilous algae, an extremely rich population.

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type	code MB151
Relation to	Annex I habitat types (EU Habitats Directive)

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
Council Directive 92/43/EEC of 21 May 1992 on the conservation of natural habitats and of wild fauna and flora - consolidated version 01/01/2007	Annex I: natural habitat types of community interest whose conservation requires the designation of special areas of conservation	Large shallow inlets and bays	1160	Overlap	http://ec.europa.eu/environm...rective/index_en.htm
Council Directive 92/43/EEC of 21 May 1992 on the conservation of natural habitats and of wild fauna and flora - consolidated version 01/01/2007	Annex I: natural habitat types of community interest whose conservation requires the designation of special areas of conservation	Reefs	1170	Narrower

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)	A3.13	Mediterranean and Pontic communities of infralittoral algae very exposed to wave action	overlap
EUNIS Habitat Classification 2007 (revised descriptions 2012)	A3.23	Mediterranean and Pontic communities of infralittoral algae moderately exposed to wave action	wider
EUNIS Habitat Classification 2007 (revised descriptions 2012)	A3.33	Mediterranean submerged fucoids, green or red seaweeds on full salinity infralittoral rock	wider
EUNIS Habitat Classification 2007 (revised descriptions 2012)	A3.14	Encrusting algal communities	wider
European Red List of Habitats	MEDA3.23	Photophilic communities dominated by calcareous, habitat-forming algae	same
European Red List of Habitats	MEDA3.1x	Photophilic communities without canopy-forming algae in Mediterranean infralittoral and upper circalittoral rock	narrower
European Red List of Habitats	MEDA3.13	Photophilic communities with canopy-forming algae in Mediterranean infralittoral and upper circalittoral rock	narrower

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

History

Classification	Code	Habitat type name	Relationship type
EUNIS Habitat Classification 200410	A3.23	Mediterranean communities of infralittoral algae moderately exposed to wave action	same
EUNIS Habitat Classification 200410	A3.33	Mediterranean submerged fucoids, green or red seaweeds on full salinity infralittoral rock	same
EUNIS Habitat Classification 200410	A3.14	Encrusting algal communities	same
EUNIS Habitat Classification 200410	A3.13	Mediterranean communities of infralittoral algae very exposed to wave action	same
EUNIS Habitat Classification 200308	A3.34	Communities of infralittoral algae sheltered from wave action	narrower
EUNIS Habitat Classification 200308	A3.25	Mediterranean communities of infralittoral algae moderately exposed to wave action	same
EUNIS Habitat Classification 200308	A3.14	Encrusting algal communities	same
EUNIS Habitat Classification 200308	A3.13	Mediterranean communities of infralittoral algae very exposed to wave action	same
EUNIS Habitat Classification 200202	A3.25	Communities of infralittoral algae moderately exposed to wave action	same
EUNIS Habitat Classification 200202	A3.13	Communities of infralittoral algae very exposed to wave action	same
EUNIS Habitat Classification 200202	A3.14	Areas dominated by encrusting algae	same
EUNIS Habitat Classification 200202	A3.34	Communities of infralittoral algae sheltered from wave action	same
EUNIS Habitat Classification 199910	A3.34	Biocenosis of infralittoral algae sheltered from wave action	same
EUNIS Habitat Classification 199910	A3.25	Biocenosis of infralittoral algae moderately exposed to wave action	same
EUNIS Habitat Classification 199910	A3.13	Biocenosis of infralittoral algae very exposed to wave action	same

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