摘 要：
根据2007-2009年舟山沿岸定置张网作业渔业资源调查资料,对休渔前后(5月和9月)张网作业渔获物组成进行比较分析。结果表明:休渔前(5月)优势种为鳀鱼、矛尾鰕虎鱼、带鱼、银鲳和黄鲫,其渔获重量占总渔获重量的96.2%;休渔后(9月)以龙头鱼、带鱼、黄鲫和小黄鱼为优势种,其渔获量占总渔获量的77.6%。5月平均每网每天共损害带鱼、小黄鱼和银鲳幼鱼1 030尾,9月平均每网每天损害带鱼、小黄鱼和银鲳幼鱼587尾,比5月减少75.5%。舟山近岸张网休渔后(9月)主要经济种类渔获个体和重量均较休渔前(5月)有大幅增加,通过3个月的休渔,对经济种类的资源养护确实有一定效果,但是渔获个体仍然较小,大多数个体仍然没有达到开捕规格,建议定置张网休渔可以向前推移1个月。
译 名：
Composition of Set-Net Catch Before and After Fishing Off Season in Zhoushan Coast Areas
作 者：
ZHANG Long1,XU Han-xiang1,2,WANG Jia-gang1,et al(1.Zhejiang Ocean University,Zhoushan 316004;2.Marine and Fishery Research Institute of Zhejiang Ocean University,Marine Fisheries Research Institute of Zhejiang Province,Zhoushan 316100,China)
关键词：
Zhoushan coast areas;set net;before and after Fishing Off Season;composition of catch
摘 要：
Based on survey date before and after Fishing Off Season(May and September) in Zhoushan coast between 2007 and 2009.The results showed that: In May,the main fish species was Engraulis japonicus,Chaeturichthys stigmatias,Trichiurus japonicus,Pampus argenteus and Setipinna taty,the weight of these species occupied 96.2% in total catch weight;in September,the main fish species was H.nehereus,T.japonicus,Larimichthys polyactis,S.taty,the weight occupied 77.6% of total catch weight,on May per stow net were damaged 860 juveniles of T.japonicus,P.argenteus and L.polyactis per day,on May the number of damaged juveniles declined to 587 per day,have 75.5% reduction than May.The weight and number of catch of stow net after fishing off season(in Sept) were substantially increased than those before fishing off season(in May),by a three-month fishing off do have good affection to conservation economy species.But the catch individuals is still too small,most individuals still do not reach catchable size,the fishing ban should be extended a month before the fishing off season.
