Increasingly, there is a strong international consensus on the fact that the participation of resident communities is one of the conditions for successful MPA (Marine Protected Area) governance. Thus, this thesis aims to contribute to this emerging debate on MPA governance through reflections about the experience of a conservation project implemented by an international NGO (WWF WMPAO) in collaboration with the State and the local populations in Joal-Fadiouth, with a view to identify the catalysts social factors. The results show that the objectives of the MPA project are not purely local; they are strongly influenced by a global standard as well as regional and national dynamics. Thus, the MPA is much more seen as a conservation tool, ...