Acquisitions of natural environments with heritage implications: 20 parcels for a total area of 43 ha 43 to 65 ca. They will integrate the park of sites in conservatory management and follow the process inherent in the management by the Conservatoire (implementation of a management plan, implementation of ecological management work and ecological and technical monitoring required) for the preservation of Burgundian biodiversity, natural habitats of interest, wetlands and associated fauna and flora species.