1. Cornell University's Integrated Watershed Management Master's Program, Bahir Dar, Ethiopia Institute for Environmental Studies (IVM), Faculty of Earth and Life Sciences (FALW), VU University Amsterdam, De Boelelaan 1105 1081 HV, Amsterdam, The Netherlands
2. Department of Supply Chain and Information Systems, 467 Business Building, Smeal College of Business, The Pennsylvania State University, University Park, PA 16802, USA
3. USDA-ARS Pasture Systems And Watershed Management Research Unit, University Park, PA 16802-3702, USA
4. Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY, USA