1. School of Public Administration and Law, Northeast Agricultural University, Harbin 150030, China
2. School of Economics and Management, Northeast Agricultural University, Harbin 150030, China
3. Key Laboratory of Regional Sustainable Development Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
4. College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100101, China
5. Beidahuang Information Co., Ltd., Harbin 150000, China