scientifiques des espaces naturels gérés. La première partie est consacrée aux communications du colloque 'Typologies pour la gestion des milieux naturels et cartographies'. Un large éventail de cas sont traités, focalisés principalement sur les milieux
Étienne, France), mainly targeted towards managers, technicians and scientists of managed natural spaces. The first part is devoted to the papers of the colloquium 'Typologies for natural environment management and cartographies '. A broad range of cases
classification techniques. The main result is a physiognomic typology (14 types). Data processing in areas with rugged relief and vegetation mosaics require specific analysis and controls to check the ecological relevance of the results and to propose
a quantified validation. These results are an answer for the needs of medium scale cartography (1:25 000, correspondences with European CORINE Land Cover typology) for two purposes : descriptions of mountain natural environment, mountain pastures management.