摘要
渔业增殖工作包括重点保护增殖底栖杂食性鱼类,合理控制利用凶猛鱼类,移植引进鱼类新品种以及投放大规格鲢、鳙鱼种等综合措施.总渔获量由1985年的250吨,增至1990年的881吨.底栖杂食性鱼类由占渔获物总量的29.1％上升为46.1％,肉食性凶猛鱼类由62.5％降至34.8％。移植入库的太湖新银鱼已能在库中自行繁衍。
This paper reports the exploitation of Fushui Reservior (5, 500hactors) inextensive fisheries. The easures of fish stock increasing can be summarized as follows: (1) Protectionand multiplication of bottom omnivore fishes. (2) Population control and rational utilization ofcarnivorous fishes. (3) Stocking of the fingerlings of silver and bighead carps. (4) TransplantingNeosalanx taihuensis Chen to the reservior.By 1990, the fish catch had reached to 881 tons, a more than 3. 5-fold increase over 1986. Thechanges of species composition in the catch were (1) bottom omnivore fishes had increased to 46. 1from 29. 1%, (2) carnivorous fishes had reduced to 34. 8% from 62. 5%.
出处
《淡水渔业》
CSCD
北大核心
1991年第6期8-11,共4页
Freshwater Fisheries
关键词
水库养鱼
增殖
渔业
Fushui Reservior, fish stock increasing, effect
