1. The United Graduate School of Agricultural Sciences, Tottori University, Tottori, Japan
2. School of Civil and Water Resource Engineering, Institute of Technology, Bahir Dar University, Bahir Dar, Ethiopia
3. Arid Land Research Center, Tottori University, Tottori, Japan
4. International Platform for Dryland Research and Education, Tottori University, Tottori, Japan
5. Department of Natural Resources Management, Bahir Dar University, Bahir Dar, Ethiopia
6. Institute for Soil, Climate and Water, Agricultural Research Council, Pretoria, South Africa
7. Faculty of Life and Environmental Science, Shimane University, Matsue, Japan
8. Center for International Affairs, Tottori University, Tottori, Japan