The project aims, through studies and mainly the implementation of a program of works aimed at restoring and strengthening the ecological fabric and biodiversity of the territory of the Regional Natural Park of Caps and Marais d'Opale. It also focuses on the biodiversity cores included in the 2013-2025 Natural Park Charter and inscribed in the Park Plan, as well as on the ecological connectivity between these spaces. The program addresses remarkable natural environments such as calcareous lawns, wetlands, coastal environments and large wooded areas. The green frame and the blue frame of the Park will be reinforced. The appropriation of the stakes of preservation and restoration of the environments concerned will be carried by a multichannel communication strategy as well as by animation sequences with different audiences and according to complementary forms (Nature Agenda, mini-guide, newspaper of the inhabitants, web networks,...).