Effect of fishery development on water environment and its countermeasures in Taihu Lake

The present development situation of Taihu Lake fishery is stated including the influence of fish stocking and lake-closing on fishery，the development of fishing net breeding form an extensive model to an intensive and high-returned model，the efect of fishing net breeding on lake entrophication，etc．It is indicated that the tendency of smaller-scale fishery and the lower yield fish are obvious．Finally，the counterm easures of sustainable development of Taihu lake fishery and entrophication control of Taihu Lake are put forward．