1 State Key Laboratory of Earth System Resources and Environment of Tibetan Plateau, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100101, China.
2 School of Life Sciences and School of Ecology, State Key Lab of Biological Control, Sun Yat-sen University, Guangzhou 510275, China.
3 Sino-French Institute for Earth System Science, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China.
4 College of Grassland Science and Technology, China Agricultural University, Beijing 100193, China.
5 Key Laboratory of Grassland Resources of the Ministry of Education, College of Grassland, Resources and Environment, Inner Mongolia Agricultural University, Hohhot 010011, China.
6 Department of Geosciences, The University of Tulsa, Tulsa, OK 74137, USA.
7 State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
8 Values for Development Ltd, Bury St. Edmunds IP33 3EQ, UK.
9 School of Environment, Beijing Normal University, Beijing 100875, China.
10 Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China.
11 Key Laboratory of Restoration Ecology for Cold Regions in Qinghai, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810008, China.
12 Faculty of Civil and Water Resource Engineering, Bahir Dar Institute of Technology, Bahir Dar University, Bahir Dar, Ethiopia.
13 Arid Land Research Center, Tottori University, Tottori 6800001, Japan.
14 USDA-ARS Jornada Experimental Range, Las Cruces, NM 88003, USA.
15 USDA NRCS, Jornada Experimental Range, New Mexico State University, MSC 3JER, PO Box 30003, Las Cruces, NM, USA.
16 Agriculture and Agri-Food Canada, Lethbridge Research Centre, 5403 1st Avenue South, Lethbridge, AB, Canada.