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三、改善海洋环境及虾场的合理规划目前,我国渔业赖以生存的海洋环境,已经受到不同程度的污染和损害,一些河口海区、海湾、内海和局部海域的污染已相当严重。根据八十年代初的调查,直接排入海的工业和生活污水有66.5亿吨。每年随这些污水排入海的有害、有毒物质:石油、汞、镉、铅、砷、铬、氰化物、农药等数量是相当大的.海洋环境的污染,使部分海域鱼群死
Third, to improve the marine environment and reasonable planning of shrimp farms At present, the marine environment in which our fisheries depend for survival has been polluted and damaged to varying degrees. The pollution in some estuaries, bays, inland seas and parts of the sea has become quite serious. According to a survey conducted in the early 1980s, there were 6.65 billion tons of industrial and domestic sewage discharged directly into the sea. The amount of harmful and toxic substances that are discharged into the sea each year with these sewage is quite large: petroleum, mercury, cadmium, lead, arsenic, chromium, cyanide and pesticide etc. The pollution of the marine environment has caused some fish stocks to die