论文部分内容阅读
1991年我国淡水渔业生产在遭受百年未遇的特大自然灾害影响的情况下,仍取得较好成绩,产量有所增长。预计全年淡水渔业产量可达540万吨,比上年增产16万吨,增长3.1%。其中:养殖460万吨,增产14万吨;捕捞约80万吨,增产2万吨。去年我国淡水渔业生产有以下特点:(一)养殖面积扩大,鱼种投放量增加,品种和规格更加合理,名优特品种养殖发展较快。
In 1991, the production of freshwater fishery in our country still achieved good results and its output increased with the impact of the extraordinary natural disasters of a century ago. The annual output of freshwater fisheries is estimated to reach 5.4 million tons, an increase of 160,000 tons or 3.1% over the previous year. Of which: 4.6 million tons of breeding, an increase of 140,000 tons; catch about 800,000 tons, an increase of 20,000 tons. Last year, China’s freshwater fisheries production has the following characteristics: (A) to expand breeding area, fish species increased, more reasonable varieties and specifications, famous special varieties of aquaculture developed rapidly.