This project is carried out by the French Office for Biodiversity (OFB) in partnership with COREPEM, for the following Natura 2000 sites: - The plateau Du Four FR5202010 located in Loire Atlantique. - The Loire Estuary FR5212014 located in Loire Atlantique and Vendée. - Loire Sud estuary FR5202012 located in Loire Atlantique and Vendée. - The Loire Nord estuary FR5202011 located in Loire-Atlantique. - The plateau Rocheux De L’ile D’Yeu FR5202013 located in the Vendée. - The Marin De L’ile D’Yeu sector FR5212015 located in the Vendée. It concerns actions aimed at maintaining, or even improving, the conservation status of the habitats and species which justified the designation of the sites as protected areas. The operation complies with the selection criteria of measure 2.7 “Strengthening the protection of nature, biodiversity and green infrastructure and reducing pollution” of the ERDF/ESF Operational Programme 2021-2027. In view of all the above, a favourable opinion is proposed for ERDF support of €618,812.74.