Nature Environnement 17 is responsible for the management of natural sites whose recognised heritage issues are the subject of a 10-year management plan for the NNRR de La Massonne. The management of these sites is included in annual action programmes which set out all the operations to be carried out by the Management Advisory Committee.The study and monitoring of the mixed colony of bats at the Annepont mill use technological innovation. In the same way, the assessment and preservation of biodiversity in old quarries, federate scientific partners in order to bring new knowledge on the biodiversity of Charente-Maritime.This action programme is supported by Europe and the ERDF.