试论三江平原开发后湿地生态建设与保护

Discussion of Wetland of Ecological Construction and Protection After Development of the Sanjiang Plain

三江平原湿地是我国最大的沼泽湿地,但随着农业的大面积开发,湿地面积从原来的>30 000 km2锐减到了现在仅存于自然保护区内的4 489 km2。论述了三江平原湿地分布现状,阐述了保护湿地的重要性,从而确定了还湿目标,以及还湿回林采取的工程措施。

The Sanjiang Plain is the biggest marsh-wetland in our Coutry, but along with the large exploit of agriculture, the area of wetland fall sharply from the original wetland which is more than 30 000 km2 to the 448 9 km2 which is only in the natural reserve. The article discuss the current situation of distribution of wetland in Sanjiang Plain and elaborate importance of protection of wetland, thereby , which define the goal of which is back to the primary wetland and the mechanical control measure which is back to the wet- land in order that the wetland can get the forest.