In recent years, the bayou of name of a river in northern china of area of exclosure of Beijing ferry week, Heng Shuihu, white foreign form sediment, north wears a river to wait to all get wetly be protectived effectively littoral. Current, heng Shuihu and coast of prosperous goosefoot gold already built groove guard of type of national level wet land, south big harbor
, white foreign form sediment, Tang Hai, sea is promoted already built provincial wet type groove guard. Additional, on dam of Zhang Jia mouth how to mire in solid, lightning river region, examine doing mires also will build provincial and natural groove guard.
2007, heibei province was built about sectional approval always year depression, Na Gongqun flower lake two wet parks, started dam of rarely of a place of strategic importance wet protection and restore, small 5 hill groove guard 2 period protection of wet ground of form sediment of construction, Bai Yang and restore 3 project, always invest nearly 30 million yuan.
Be in Heibei, wet not only have general the basic function of wet ground, still have prevent seawater to flow backward, the special function of a plague of locusts, be produced to local society and circumjacent area, especially the zoology safety of Beijing ferry area has extremely special significance.