1. College of Economics, Zhejiang University, Hangzhou 310027, People's Republic
of China
2. College of Life
Sciences, Zhejiang University, Hangzhou
310058, People's Republic
of China
3. Research Center
for Sustainable
Development, Zhejiang University, Hangzhou
310058, People's Republic of China
4. Department of Public Administration, Zhejiang Gongshang University, Hangzhou 310018, People's
Republic of China
5. International
Institute for
Earth System Science, Nanjing University, Nanjing 210093, People's Republic of China
6. Soil and Water Science Department, University of Florida, Gainesville, Florida 32611,
United States