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Biotope - Typologie Européenne EUNIS
A5.535 - Niveau 5 : Herbiers de Posidonia
Description
This assemblage is characterised by the presence of the marine seagrass (phanerogam) Posidonia oceanica. This species is endemic to the Mediterranean and constitutes characteristic formations called Posidonia meadows, located between the surface and up to 50 metres depth.
Taxons (Liens actifs si espèces présentes)
A5.5351 - Niveau 6 : Ecomorphose de l'herbier tigré de Posidonia oceanica
Description
The striped Posidonia oceanica meadows facies is found at depth 0 - 5 metres. It appears as fairly narrow ribbons that can be several dozen metres long. These ribbons are separated by stretches of dead mat colonised by Cymodocea nodosa and/or Caulerpa spp.
Taxons (Liens actifs si espèces présentes)
Caulerpa J.V.Lamour., 1809 ( Esp. caract. )
Cymodocea nodosa (Ucria) Asch., 1869 ( Esp. caract. )
Posidonia oceanica (L.) Delile, 1813 ( Esp. caract. )
Cymodocea nodosa (Ucria) Asch., 1869 ( Esp. caract. )
Posidonia oceanica (L.) Delile, 1813 ( Esp. caract. )
Analyse Ecologie du milieu (En fonction des espèces présentes)