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渤海西岸,自河北昌黎大浦河口到滦河口52.1km海岸,是全新世以来由于河流、海流、海浪和风力等因素塑造成的沙丘海岸。在沙丘背后,分布着我国沿海最大的七里海潟湖。这里的近海海域底质为细沙,分布着我国面积最大,蕴藏量最多的国家二类保护动物——文昌鱼资源。 笔者曾提出在这里建立沙丘、潟湖、文昌鱼自然保护区问题,1989年,该区作为一个功能区,划入自然保护区范围。
The west coast of the Bohai Sea, from the Dapuhekou of Changli in Hebei Province to the 52.1km coast of the Luanhe River estuary, is a sand dune coast shaped by rivers, currents, sea waves and wind forces since the Holocene. Behind the sand dunes, there is the largest Qilihai Lagoon in China’s coast. The offshore sediment of this area is fine sand, which distributes the amphioxus resources of amphibian, the largest protected area in China with the largest reserves. I have proposed here to establish dune, lagoon, amphioxus Nature Reserve issues, in 1989, the area as a functional area, included in the scope of nature reserves.