The project "Atlas de la Biodiversité communale - 11 communes" is carried out by the syndicat mixte du Parc Naturel Régional de Brière over the period from 1 January 2021 to 31 March 2024. The aim of the project is to draw up a biodiversity atlas for these municipalities, in order to: 1/ Improve knowledge to better preserve the biodiversity of the Loire region; 2/ Strengthen the mobilisation of as many people as possible around biodiversity issues; 3/ Support the integration of biodiversity protection issues into urban planning documents and territorial development and development strategies The operation complies with the selection criteria of PO 2.7 of the ERDF/ESF Operational Programme 2021-2027. In the light of all the above, a favourable opinion is proposed for ERDF support of EUR 233 237.97.