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一、问题的提出太平闸鱼道位于江苏省扬州地区邗江县,是长江鱼蟹上溯至邵伯湖、高宝湖和洪泽湖的总口门。1952年以来,在这些湖泊和长江间先后建闸,为确保粮食连年丰收和淡水养殖提供了有利条件,然而也切断了鱼蟹洄游通路。加之其它因素,使湖区水产资源在产量和品种方面都受到不同程度的影响。1971年秋,由江苏省治淮指挥部、江苏省农科
First, the issue put forward Taiping gate fish in Yangzhou in Jiangsu Province Qijiang County, is the Yangtze River fish crab dating back to Shaobo Lake, Kaohsiung Lake and Hongze Lake’s total gate. Since 1952, the construction of gates between these lakes and the Yangtze River has provided favorable conditions to ensure the continuous harvest of grain and freshwater aquaculture. However, it has also cut off the migratory routes for fish and crabs. Combined with other factors, the lake area of aquatic resources in the yield and variety are subject to varying degrees of impact. The autumn of 1971, by the Huai River Command of Jiangsu Province, Jiangsu Province, agricultural science