National audienceAgriculture is facing an environmental crisis that makes it necessary to take into account the “ecosystem” functioning. But this concept of ecology is difficult to handle in the agricultural sector. Fields of literature on the "commons" and the "ecosystem services", which deal with the management of ecosystems, have been extensively developed and relayed by public policy. The thesis shows that they often freeze the conflict between agricultural objectives and environmental concerns without allowing the exploration of new farming systems. Our thesis in management science highlights the fact that a new challenge for scientific research is to learn to manage environmental regulations within agro-ecosystems in order to make agr...