International audienceThis poster aims to present the research approach of the CALM project (Conservation of Coastal and Maritime Areas): the scientific context, the problem and hypothesis, the study areas (13 Marine Protected Areas on 5 continents) and the methodology adopted to characterise the components of the generic model for the conservation of coastal and maritime biodiversity and to identify and analyse, in a comparative manner, the main processes of local adaptation or reinvention of a generic environmental protection system. The poster also locates and presents the main characteristics of the 13 MPAs studied.Ce poster vise à présenter la démarche de recherche du projet CALM (Conservation des Aires Littorales et Maritimes) : le co...