1. Department of Land Management, School of Agroecology, Mongolian University of Life Sciences (MULS), Ulaanbaatar, Mongolia
2. Department of Geography, School of Arts and Sciences, National University of Mongolia (NUM), Ulaanbaatar, Mongolia
3. Social Sciences Division, Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Ibaraki, Japan;
4. Department of Geography, Faculty of Science, Ghent University, Ghent, Belgium