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题名: Report of Taiwanese Observers Program for Large Scale Tuna Longline Fisheries in Atlantic Ocean in 2007
作者: Hsiang-Wen Huang
贡献者: NTOU:Institute of Marine Affairs and Resource Managemen
关键词: By-catch;ecosystem;longline;observer;seabirds;sea turtles
日期: 2010-10
上传时间: 2012-06-15T07:51:16Z
出版者: Collect. Vol. Sci. Pap. ICCAT
摘要: Taiwan started to deploy observers on distant water fishing vessels since 2002. This report summarized the observers data collected from thirty one trips with 1843 observations days in 2007. The coverage rate was 9.5% by efforts. The catch composition varied by fleets. In bigeye fleet, over 62% of catch were bigeye and other tunas, 12% of swordfish and other billfishes, 12% of blue sharks. In temperate waters, the albacore accounted over 80% in the northern fleet, and 87% in the southern fleet, the percentage of billfishes and sharks were less than 5%. In addition, nominal monthly CPUE and length frequency of major species and the incidental catch of ecological related species were recorded.
關聯: 65(6), pp.2399-2408
显示于类别:[海洋事務與資源管理研究所] 演講及研討會





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