[Yatenga, in the north of Upper Volta. Dynamics of a Sudano-Sahelian rural space [Mossi country, evolution of the rural system]]

cartografia cartographie cartography comunidades rurales conservation des ressources cropping systems desertification dynamique des populations environment environnement farming systems land use landscape medio ambiente migration natural resources paisaje paysage population change population dynamics recursos naturales resource conservation ressource naturelle rural areas rural communities sistemas de cultivo systems analysis utilisation du sol zonas rurales zone rurale