1. Department of Natural Resources Management, Mizan‐Tepi University PO. Box 391 Mizan Teferi Ethiopia
2. Department of GeographyGhent University, Krijgslaan 281 S8 B – 9000 Ghent Belgium
3. Postdoctoral Fellow of the Research Foundation ‐ Flanders (FWO) Egmonstraat5, B‐1000 Brussels Belgium
4. Department of Earth and Environmental Sciences, KU Leuven, Celestijnenlaan 200B B‐3001 Heverlee Belgium