[1] Nanjing Univ, Sch Geog & Ocean Sci, Nanjing 210023, Peoples R China
[2] Minist Nat Resources, Key Lab Coastal Zone Exploitat & Protect, Coastal Zone Exploitat & Protect, Nanjing 210023, Peoples R China
[3] Hebei Normal Univ, Sch Geog Sci, South 2nd Ring East Rd 20, Shijiazhuang 050024, Hebei, Peoples R China
[4] Ningbotech Univ, Business Sch, Ningbo 315100, Peoples R China
[5] Guangxi Normal Univ, Coll Environm & Resources, Guilin 541004, Peoples R China
[6] Nanjing Inst Technol, Nanjing 211167, Peoples R China