Résumé
This report presents the synthesis of a method for assessing economic impacts of available water resources for irrigation at farm, food processing sector and territory levels. It is mainly based on the example of the study commissioned by the Direction Régionale de l'Agriculture, de l'Alimentation et de la Forêt de la région Rhône Alpes in Drôme des collines , while comparing it with similar studies conducted in other regions in France.