Bodies of watercourses — Métropole — Report version 2010

A river water body is a distinct and significant part of surface waters such as a river, river or canal, part of a river, river or canal, constituting the elementary division of aquatic environments intended to be the WFD assessment unit. River bodies are derived from the BDCarthage® v3 hydrographic theme of BDCarto®. The criteria for the realisation of river water bodies are: — A body of water belongs to a single hydroecoregion — The dominant fish stand based on the fish context (Salmonicole, cypriniculture, Intermediate) — Size class (strahler confluence band) The water body code is structured as follows: Water body type code + Basin code (district as defined in dce) + Increment DCE reporting correspondence: this entity corresponds to WISE’s River Water Body (RWBODY) concept.