１淡水渔业举足轻重长期以来,我国的淡水渔业无论在国内或世界的水产业中,都具有重要的地位和作用。目前淡水渔业产量约占全国水产品总量的４０%,我国的淡水养殖产量占世界淡水养殖总产量的６０%以上。在进入新世纪以后,淡水渔业的地位和作用将更加重要。这是由于:海洋污染将进 A freshwater fishery plays a decisive role For a long time, freshwater fisheries in our country have an important position and role both in the domestic and world aquaculture. At present, the production of freshwater fishery accounts for about 40% of the total aquatic products in the country, and the production of freshwater aquaculture in China accounts for more than 60% of the total freshwater aquaculture production in the world. After entering the new century, the status and role of freshwater fisheries will become even more important. This is due to: Marine pollution will enter