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Résumé :
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SummaryTaking into consideration Illies' and Botosaneanu's work (Intern. Associat. Limnology 1963), this study wishes to emphasize the ecological and faunistic aspects of a coastal mediterranean river Le Gapeau (Var). Among diverse tributaries, a little torrential river, Le Latay, extend geographically the course of the Gapeau into low mountain region. Considering ecological factors (such as the modification of declivity along the river) and the nature of biocoenoses, the freshwater portion can be divided into five zones (plate X, zones 1 to 5), the last zones (6 to 8) constituting the estuary with brackish waters. A brief comparison with other coastal mediterranean rivers ends this publication.
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