Concept: Mediterranean and Black Sea communities of upper mediolittoral rock in the eunishabitats vocabulary

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Concept URI	http://eunis.eea.europa.eu/eunishabitats/A1.13
Preferred label	Mediterranean and Black Sea communities of upper mediolittoral rock
Definition	The distributions and types of species in this habitat are profoundly affected by the submersion variability determined by wave action, and by irregularities in the sea level caused by atmospheric pressure and wind.
Notation	A1.13
Status	Valid
Status Modified	2014-01-31
Accepted Date	2014-01-31
Not Accepted Date
Editorial note	There is a certain degree of duplication among some habitat classes in the EUNIS system coming either from BioMar or the Barcelona or HELCOM classifications. Therefore this means that all level 4 definitions (presently based on BioMar and Barcelona) should be checked, and given a new name if necessary. The biogeographic details are to be addressed in level 5 habitats. Zonal basis of habitats in Barcelona units is different from that of BioMar (life-type). May be duplication at level 5 which needs to be examined before revisiting level 4 (David Connor)
Has broader	A1.1 (High energy littoral rock) in biodiversity/eunishabitats
Has narrower	A1.131 (Association with [Bangia atropurpurea]) in biodiversity/eunishabitats A1.132 (Association with [Porphyra leucosticta]) in biodiversity/eunishabitats A1.133 (Association with [Nemalion helminthoides] and [Rissoella verruculosa]) in biodiversity/eunishabitats A1.134 (Association with [Lithophyllum papillosum] and [Polysiphonia] spp.) in biodiversity/eunishabitats
Has exact match	http://eunis.eea.europa.eu/habitats/1871