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Biotope - Typologie Européenne EUNIS
A5.535Niveau 5Herbiers de Posidonia
↑ Niveau supérieurDescription
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 associés
Posidonia oceanica (L.) Delile, 1813Esp. caract.
A5.5352Niveau 6Ecomorphose du récif barrière de l'herbier de Posidonia oceanica
Habitat sélectionnéDescription
This ecomorphosis can be found in Posidonia oceanica beds present in sheltered bays. The vertical growth of the rhizomes leads to the raising of the mat, thus enabling the meadow to reach the surface.
Taxons associés
Posidonia oceanica (L.) Delile, 1813Esp. caract.
Analyse écologique du milieu
(en fonction des espèces présentes)