[Liao, Hui; Tan, Deming] Univ South China, Sch Econ Management & Law, Hengyang 421001, Peoples R China.
[Shu, Chengji; Liao, Hui; Han, Baolong; Wu, Dawei; Wu, Tong] Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Urban & Reg Ecol, Beijing 100089, Peoples R China.
[Wu, Tong] Stanford Univ, Nat Capital Project, 327 Campus Dr, Stanford, CA 94305 USA.
[Wu, Dawei] Univ South China, Solux Coll Architecture & Design, Hengyang 421001, Peoples R China.