1Center for Chinese Agricultural Policy, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China
2University of the Chinese Academy of Sciences, Beijing 100049, China
3Institute of Environmental Sciences (CML), Leiden University, Leiden, 2300RA, the Netherlands
4College of Economics and Management, China Agricultural University, Beijing 100083, China
5Geoinformatics Division, Department of Urban Planning and Environment, Royal Institute of Technology-KTH, Stockholm, 10044, Sweden
6Collaborative Innovation Centre for Baiyangdian Basin Ecological Protection and Jingjinji Regional Sustainable Development, Hebei University, Baoding, 071002, China