[1] E China Normal Univ, Dept Geog, Shanghai 200062, Peoples R China
[2] Univ Salford, Dept Environm Resources, Telford Inst Environm Syst, Salford M6 6PU, Lancs, England
[3] E China Normal Univ, State Key Lab Estuarine & Coastal Res, Shanghai 200062, Peoples R China