Report on the 1991 cooperative North Pacific albacore observer project
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In 1991 the Southwest Fisheries Science Center (SWFSC) in cooperation with members of the Western Fishboat Owners Association (WFOA) continued the Cooperative North Albacore Project becun in 1990... by placing observers in cooperating vessels fishing in the north Pacific. This effort was a part of a comprehensive impact assessment program on the effects of the high-seas drift net fisheries on the north Pacific albacore (Thunnus alalunga) stocks and other fisheries. Albacore that encounter drift nets and ascape often bear some external marks that can subsequently identify it (to a greater or lesser extent) in the troll catch. This provides direct evidence of interaction between the fisheries... In 1991, SWFSC biotechnicians observed 4 fishing trips aboard 4 different U.S. troll vessels fishing in the North Pacific. 1992 NMFS (National Marine Fisheries Service) SWFSC (Southwest Fisheries Science Center) Library Public Domain 1863
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创建时间：
2021-06-23
