1. Faculty of Science, Center for Environmental Science Studies, Addis Ababa University, Addis Ababa, Ethiopia
2. Division of Forest, Nature and Landscape, University of Leuven (KU Leuven), Leuven, Belgium
3. School of Agricultural, Forest and Food Science, Bern University of Applied Sciences, Zollikofen, Switzerland
4. Division of Geography and Tourism, KU Leuven, Leuven, Belgium
5. Department of Geography, Ghent University, Gent, Belgium