http://geo.e-revues.com/article.jsp?articleId=12708International audienceParticipative workshops have provided a relevant context to help practitioners to adopt the geospatial decision-making tools proposed by researchers. Based on various modes of spatial representation, these tools aim at understanding territorial dynamics and at supporting spatial reasoning required for development and regional planning. The use of these tools was collectively tested in these workshops in order to improve their diffusion inside professional practitioners.Des ateliers participatifs ont posé les bases d'une appropriation par les acteurs d'outils d'aide à la décision territoriale proposés par des chercheurs. Portés par différents modes de représentation spa...