天津市地处渤海湾顶，九河下梢，海岸线长１２６公里，有数万公顷浅海域和沼泽、滩涂；有于桥、团泊、官港、鸭淀、黄港、北塘、北大港、七里海、东丽湖等水库和纵横交错的河流，星罗棋布的坑塘洼淀及稻田。全市湿地面积约４０多万公顷。湿地是天津的区域特色，保护和合理... Tianjin is located in the top of the Bohai Bay, the lower reaches of Nine Rivers, the coastline of 126 kilometers long, with tens of thousands of hectares of shallow waters and marshes, beaches; in the bridge, Mission Park, Guan Gang, Duck Lake, Huanggang, Beitang, Qilihai, Dongli Lake and other reservoirs and criss-crossed rivers, dotted pit pond depression and rice fields. The city’s wetland area of ​​about 400000 hectares. Wetland is a regional characteristic of Tianjin, protected and reasonable ...