Institution: | 1. Department of Earth and Environmental Sciences, Katholieke Universiteit Leuven, Celestijnenlaan 200E Box 2411, B-3001 Heverlee, Belgium;2. Social Sciences Unit, Institute for Agricultural and Fisheries Research, Burg. Van Gansberghelaan 115 Box 2, B-9820 Merelbeke, Belgium;3. Department of Agricultural Economics, Ghent University, Coupure Links, 653, B-9000 Gent, Belgium;4. Department of Cultural Anthropology and Ethnology, Uppsala University, P.O. Box 631, SE-75126 Uppsala, Sweden;5. Department of Dryland Crop and Horticultural Science, Mekelle University, P.O. Box 231, Mekelle, Ethiopia;6. Department of Land Resources Management and Environmental Protection, Mekelle University, P.O. Box 231, Mekelle, Ethiopia |