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由于、1991、1992年崇明蟹苗歉收,引起河蟹价格暴涨,1993年2～3月,崇明市场每500克幼蟹(40～60只),价格高达150～250元,一只仅10克的幼蟹在市场上可以换到5元钱,昂贵的价格刺激了广大群众捕捞河蟹的积极性,致使崇明河道里大小河蟹日益稀少,而对每年蟹苗汛的蟹苗旺发情况又极难预测,尽管如此,1993年蟹苗捕捞还是引起了生产管理部门、科研部门及流通领域高度重视和密切关注。 据不完全统计,1993年崇明蟹苗总产量约2000千克,虽然捕捞量约为1990年的60％,但蟹苗资源量只及1990年的30％。
Due to the poor harvest of Chongming crabs in 1991 and 1992, crabs prices rose sharply. From February to March 1993, the price per kilogram of crabs (40-60) in Chongming market was as high as RMB 150-250 and only 10 grams Crabs in the market can be changed to 5 yuan, expensive prices to stimulate the enthusiasm of the majority of people fishing crabs, resulting in the Chongming river crabs in the size of the increasingly scarce, and crabs every year the crab season and extremely difficult to predict the situation, In spite of this, crab fishing in 1993 still caused great attention and close attention from production management departments, scientific research departments and circulation areas. According to incomplete statistics, the total output of Chongming crab in 1993 was about 2,000 kg. Although the catch was about 60% of that in 1990, the quantity of crab resources was only 30% of that in 1990.