摘要
费县许家崖水库于１９９２年移植大银鱼，１９９３年形成种群，捕捞产量４．５ｔ，１９９４年达３０．４ｔ。但１９９５、１９９６年产量逐渐下降。经调查研究，找出减产原因，并提出相应对策。
In 1992 the Protosalanx chinensis were transplanted in Fei county Xujiaya reservoir.In 1993 the Protosalanx chinensis formed stocks and the catch was 4.5 t.Till 1994,its catch reached 30.4 t.But from 1996 till now the catch was gradually reduced.The paper reported the result of investigation and analyzed the cause of the reduction of output,and put forward countermeasures for protection of the Protosalanx chinensis resource.
出处
《齐鲁渔业》
1997年第6期28-29,共2页
Shandong Fisheries
关键词
大银鱼
移植
现状
减产原因
对策
许家崖水率
Protosalanx chinensis
transplant
status
cause of reduction of output
countermeasure
