[Yang, Jing; Zeng, Chen] Huazhong Agr Univ, Dept Land Management, Wuhan 430070, Hubei, Peoples R China.
[Zeng, Chen] Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China.
[Zeng, Chen] Univ Chicago, Ctr Spatial Data Sci, Chicago, IL 60637 USA.
[Song, Yan] Univ N Carolina, Dept City & Reg Planning, Chapel Hill, NC 27515 USA.
[Cai, Dawei] Cent China Normal Univ, Coll Publ Adm, Wuhan 430079, Hubei, Peoples R China.