French Zostera Marina and Zostera Noltei abundance data are collected during REBENT monitoring surveys on the English Channel / Bay of Biscay coasts. Protocols are implemented in the Water Framework Directive.

French benthic invertebrates composition and abundance taxa data are collected during REBENT monitoring surveys on the English Channel / Bay of Biscay coasts and during RSLFAU monitoring surveys on Mediterranean coast. Protocols are implemented in the Water Framework Directive.