Concept: Mediterranean and Black Sea communities of lower mediolittoral rock very exposed to wave action in the eunishabitats vocabulary

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Concept URI	http://eunis.eea.europa.eu/eunishabitats/A1.14
Preferred label	Mediterranean and Black Sea communities of lower mediolittoral rock very exposed to wave action
Definition	These communities are located in the lower horizon of the mediolittoral rock and result from the concomitance of three components: high waves, variations in atmospheric pressure, and variations in wind and tide. The dominant aspect, however, is the constant humidity of the substratum.
Notation	A1.14
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	A1.141 (Association with [Lithophyllum byssoides]) in biodiversity/eunishabitats A1.142 (Facies with [Pollicipes cornucopiae]) in biodiversity/eunishabitats A1.143 (Association with [Titanoderma trochanter ]) in biodiversity/eunishabitats A1.144 (Association with [Tenarea undulosa]) in biodiversity/eunishabitats A1.145 ([Mytilus galloprovincialis] facies in presence of moderately polluted waters) in biodiversity/eunishabitats
Has exact match	http://eunis.eea.europa.eu/habitats/1876