Intro -- Contents -- Foreword -- Introduction -- Founding principles -- National and international societal expectations -- Research based on new paradigms and new approaches -- References -- 1. Integrating agroecology into agri-food systems -- Products resulting from agroecology and their properties -- Actors' strategies -- Spatial organization of markets -- Dynamics and coherence of the agri-food system -- Research questions -- References -- 2. The agroecological transition of farms -- Recent scientific advances -- Some examples -- Research questions -- Developing the necessary transdisciplinarity -- References -- 3. Leveraging regulation processes in multifunctional landscapes -- Recent scientific advances -- Some examples -- Research questions -- References -- 4. Leveraging genetic diversity in plant and animal breeding -- Recent scientific advances -- Some examples -- Research questions -- References -- 5. Modelling interactions between living organisms in their environments and socio-economic contexts -- Recent scientific advances -- Some examples -- Research issues -- References -- 6. Contribution of agricultural equipment and digital technology to agroecology: considering living organisms better -- Recent scientific advances -- Some examples -- Research questions -- References -- Conclusions -- Diversity and diversification: observe, translate, direct -- Fro m massive acquisition of biological data to new types of experiments -- Und erstanding risk and uncertainty: modelling and sharing of experiences -- Scaling up and changing agri-food organization for agroecology -- Outlook -- Contributors.