Intro -- Table des mati�eres -- Agroecology: research for the transition of agri-food systems and territories -- Foreword -- Introduction -- 1 - Integrating agroecology into agri-food systems -- 2 - The agroecological transition of farms -- 3 - Leveraging ecological and hydrobiogeochemical processes in multifunctional landscapes -- 4 - Leveraging genetic diversity in plant and animal breeding -- 5 - Modelling interactions between living organisms in their environments and socio-economic contexts -- 6 - Contribution of agricultural equipment and digital technology to agroecology: considering living organisms better -- Conclusions -- Contributors.