近年来我国海洋渔业生产中出现了近海某些经济鱼类资源衰退,产量下降现象,难免令人感到不安。但从全国海洋渔业总产量来看,还是在逐年稳步增长,特别是中上层鱼类和虾、蟹等产量。渔场也从近海向外海发展,有的渔业公司产量中外海的渔获量已 In recent years, there has been some uneasiness in China’s marine fishery production due to the decline of some economic fish resources in the offshore areas and the decline of output. However, judging from the total output of the country’s marine fisheries, it is still steadily increasing year by year, especially in the pelagic fish, shrimp and crabs. Fisheries also develop offshore from offshore. Some fishery companies have already produced a catch of the sea both at home and abroad