1. Macro Agriculture Research Institute, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
2. College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
3. Key Laboratory for Geographical Process Analysis & Simulation of Hubei Province, College of Urban and Environmental Sciences, Central China Normal University, Wuhan 430079, China
4. International Food Policy Research Institute, 1201 I Street, NW, Washington, DC 20005, USA
5. State Key Laboratory of Remote Sensing Science, Jointly Sponsored by Aerospace Information Research Institute, Chinese Academy of Sciences and Beijing Normal University, Beijing 100101, China