Contents: pt.1. Overview : ecological, economic and social issues - pt.2. Soil and water processes - pt.3a. Economics and management of fadama in northern Nigeria - pt.3b. Potentials of bas-fonds in agropastoral development in Sanmatenga, Burkina Faso - pt.3c. Wadis of north Kordofan, Sudan : present roles and prospects for development - pt.3d. Khor Baraka : a key resource in eastern Sudan and Eritrea - pt.3e. The role of dambos in agriculural development in Zambia - pt.3f. Key resources for agriculture and grazing : the struggle for control over dambo resources in Zimbabwe. Includes bibliographic references