Part I: System definitions -- Chapter 1: Introduction: why agroecology, why systems, why now? -- Chapter 2: Systems approach: analysis, design and modelling -- Chapter 3: Structure, functions and diversity of agroecosystems -- Part II: Analysis-oriented approaches -- Chapter 4: Categorising diversity through rural household typologies -- Chapter 5: Production functions and factors in agroecosystems -- Chapter 6: Landscape structure, functions and biodiversity -- Chapter 7: Spatial heterogeneity in agroecosystems -- Part III: Design-oriented approaches -- Chapter 8: Evaluation and indicators in the design of agroecosystems -- Chapter 9: Trade-offs around production and livelihood decisions -- Chapter 10: Pathways for agroecological transitions.