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宝应湖郭家荡滩涂开发区是我县河蚌育珠重点养殖区之一,地处宝应湖东北部,总面积350公顷,其中1992年新开发挂养三角帆蚌73公顷。1993年夏秋以来,郭家荡地区三角帆死亡严重。5户养殖户于1992年、1993年两年嫁接手术蚌69.5万只,死亡28.9万只,占41.6％。其中1992年嫁接的26.5万只,死亡15.4万只,占58.1％;1993年嫁接43万只,死亡13.5万只,占31.4％。幼蚌229万只,死亡127.6万只,占55.7％。
Baoying Lake Guojiatan Tidal Flat Development Zone is one of the key breeding areas for the river mussel in our county. It is located in the northeast of Baoying Lake with a total area of 350 hectares. Among them, 73 hectares were newly developed and reared in 1992. Since the summer and autumn of 1993, the death of the jib sail in the area of Guojiadang has been serious. Five farmers in 1992, 1993, two years grafting surgical clam 695000, 289000 deaths, accounting for 41.6%. Of these, 265,000 were grafted in 1992, with 154,000 dead, accounting for 58.1%. In 1993, 430,000 were grafted and 135,000 were dead, accounting for 31.4%. 2.29 million young mussels, killing 1.276 million, accounting for 55.7%.