[1] Renmin Univ China, Sch Environm & Nat Resources, Beijing, Peoples R China
[2] Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Urban & Reg Ecol, Shuangqing Rd 18, Beijing 100085, Peoples R China
[3] Wageningen Univ, Environm Policy Grp, NL-6700 AP Wageningen, Netherlands