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根据1997～2000年浙江帆张网监测船在29°30’～34°N、123°30’～127°E海域进行共计96航次、620d、4797网有效网次、1411237.5kg渔获物组成的监测资料和10083尾包括带鱼、小黄鱼、鲳鱼等生物学测定资料,剖析近年浙江帆张网渔业资源现状,结果显示:近年帆张网作业捕捞强度逐年增大而单位产量则逐年下降,主要捕捞对象的带鱼渔获群体组成整体偏小,渔获物中经济幼鱼比重大,渔获物结构质量2000年虽仅次于最好年份的1997年,好于最差年份的1999年,与1998年基本相近,但其带鱼渔获个体体重均比1997年和1998年减轻。上述迹象表明,帆张网渔业已处在过度捕捞状态。
According to the statistics of 96 sailings, 620days, 4797 net and 1411237.5kg catches made by Zhejiang Fanzhang monitoring ship from 29 ° 30 ’to 34 ° N and 123 ° 30’ ~ 127 ° E from 1997 to 2000, Monitoring data and the end of 10083, including fish, yellow croaker, bighead carp and other biological measurement data, analysis of the status quo of fishery resources in recent years Zhejiang sail net, the results show: in recent years, sailing net fishing intensity increased year by year while the unit output decreased year by year, the main fishing Although the proportion of octopus catch in the whole population was small, the proportion of economic juveniles in catch was large. Although the quality of catch structure was second only to the best year in 1997 and better than the worst year in 1999 and 1998 Year are similar, but their octopus catch individual weight than in 1997 and 1998 to reduce. The above signs indicate that the fishery for sail net fishing is already in an over-fishing state.