[1] Nanjing Univ Finance & Econ, Sch Publ Adm, Nanjing 210023, Peoples R China
[2] Minist Nat Resources, Key Lab Coastal Zone Exploitat & Protect, Nanjing 210017, Peoples R China
[3] Chinese Acad Sci, Nanjing Inst Geog & Limnol, Key Lab Watershed Geog Sci, Nanjing 210008, Peoples R China
[4] Cent China Normal Univ, Coll Publ Adm, Fac Polit Sci, Wuhan 430079, Peoples R China