1. Department of Land Resources Management and Environmental Protection, Mekelle University, Mekelle, Ethiopia
2. Department of Food Science and Post Harvest Technology, Mekelle University, Mekelle, Ethiopia
3. Division of Forest, Nature, & Landscape, Department of Earth and Environmental Sciences, Catholic University of Leuven, Leuven, Belgium
4. Department of Plant Biology and Biodiversity Management, Addis Ababa University, Addis Ababa, Ethiopia
5. International Development, Community & Environment Department, Clark University, Worcester, MA, USA
6. Department of Ecology & Evolutionary Biology, Cornell University, Ithaca, NY, USA