Reference rivers for good agricultural and environmental conditions (GAEC) — Ille-et-Vilaine — Progressive map area

The reference watercourse usable in Ille-et-Vilaine for the application of the rules of good environmental conditions (GAEC) has evolved: it corresponds since 1 January 2018 to the inventory published on the State website in the department (provisions of Annex III to the Ministerial Order of 13 April 2018): http://www.ille-et-vilaine.gouv.fr/Politiques-publiques/Environnement-Risques-naturels-et-technologiques/L-eau/Cartographie-des-cours-d-eau-en-Ille-et-Vilaine. The present layer is that of the reference rivers for good agricultural and environmental conditions (GAEC) in the territory known as the progressive map area, where the complete mapping of watercourses could not be implemented in accordance with the Government instruction of 3 June 2015. The rivers retained under GAEC in this territory are those in full and dotted line on the scan at 1: 25,000 of the IGN (SCAN 25) 2014 vintage. BCAE streams on the full mapping area are identical to the full inventory mapping streams (accessible here: https://geobretagne.fr/geonetwork/srv/fre/catalog.search#/metadata/cd2cf847-ec15-4eab-a833-4f6619f2b231)