近年我国对虾养殖已出现逐步复苏的态势 ,产量自 1 996年以来逐年上升 ,至 1 998年对虾养殖产量已超过 1 2万ｔ,其中以广东、海南和广西三省的发展势头最好 ,在对虾养殖技术和单位产量方面甚至要优于 1 993年虾病暴发前的养殖形势 .但是 ,由于海区养殖环境没有得到根本的改善 , In recent years, the situation of gradual recovery of shrimp farming in our country has emerged. The output has risen year by year since 1996, and the production of shrimp farms has exceeded 12,000 tons in 1998. Among them, the development momentum in Guangdong, Hainan and Guangxi provinces is the best. Farming technology and unit output even better than before 1993 shrimp disease breeding situation.But, as the sea farming environment has not been fundamentally improved,