This course will be conjointly organized by the SEMIARID project partners: IAV-Hassan-II-Morocco, ENSA-Algeria, INRA-Morocco, Montpellier SupAgro, INRA-France, CIRAD, CIHEAM-IAMM, an international research centre of the CGIAR (ICARDA), which contributes through staff-time and direct support to trainees, and University of Mohammed VI Polytechnic-Rabat and the Office Chérifien des Phosphates (OCP-Morocco) by sponsoring the participation of Moroccan and African PhD students. Objectives: The training course seeks to prepare for methodologies of systemic analysis that make it possible to integrate different levels (plot, farm, region) into the design and multi-criteria assessment of resilient farming systems taking into account diversities at multiple scales.