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Fitosociologia numero 45 (1)

pag. 75-116: Révision phytosociologique des végétations halophiles des falaises littorales atlantiques françaises

F. Bioret1 & J.-M. Géhu2

1Institut de Géoarchitecture, UFR Sciences et Techniques, Université de Bretagne Occidentale, CS 93837 29238 Brest cedex 3; e-mail: frederic.bioret@univ-brest.fr

216, rue de l’Eglise, 80860 Nouvion-en-Ponthieu, France

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abstract

A phytosociological analysis of the halophilous vegetation of the french atlantic coastal cliffs. A phytosociological analysis of the halophilous vegetation of the french atlantic coastal cliffs is provided by the analysis of 1072 relevés. 37 plant associations: chasmophytic vegetation linked to rocky cracks (8 associations), chomophytic vegetation on silt and clay loam platings (7 associations), and maritime grasslands on deeper soils (22 associations), are described and gathered within a new Class: Armerio maritimae-Festucetea pruinosae class nov.

keywords

sigmatist phytosociology, french atlantic seashore, coastal cliffs vegetations, chasmophytes, chomophytes, maritime grasslands, Armerio maritimae-Festucetea pruinosae class nov.