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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/25102

Title: Overview of the interaction between seabird and Taiwanese longline fisheries in the Pacific Ocean
Authors: Hsiang-Wen Huang;Ke-Yang Chang;Ju-Ping Tai
Contributors: NTOU:Institute of Marine Affairs and Resource Managemen
Date: 2009
Issue Date: 2011-10-20T08:21:17Z
Publisher: The 36th Pacific Seabird Group Annual Meeting. Hakodate, Japan
Abstract: abstract:This report reviews the interaction between seabirds and Taiwanese longline fisheries and estimated the seabird incidental catch of Taiwan longline fisheries in the Pacific Ocean. Taiwan has launched observer programs since 2002. There were 23 observer trips from 2002 to 2006 on large scale tuna longline vessels operating in the Pacific Ocean. According to the data collected, the incidental catch was the highest in the areas between 25 o -40 o N and 165 o W to 165 o E and areas between 25 o -35 o S and 165-180W. The incidental catch was low in tropical area. The incidental catch rate (BPUE) in each 10*15 degree grid square varied from 0 to 0.65 per 1000 hooks with the average BPUE of 0.045 per 1000 hooks, with variation of species incidentally caught by areas. Black-footed albatrosses(Phoebastria nigripes) and Laysan albatrosses(Phoebastria immutabilis) were the major incidental catch species in the northern area. By using the total effort data estimated from logbooks and the seabird BPUE from observers, the preliminary estimated annual seabird incidental catch was around 1700 from 2002 to 2006.
URI: http://ntour.ntou.edu.tw/handle/987654321/25102
Appears in Collections:[海洋事務與資源管理研究所] 演講及研討會

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