东北太平洋鲨鱼与定向和偶然渔业的相互作用:历史和当前的遭遇,以及鲨鱼保护的挑战。

3区 生物学 Q1 Agricultural and Biological Sciences
Advances in Marine Biology Pub Date : 2017-01-01 Epub Date: 2017-10-16 DOI:10.1016/bs.amb.2017.09.003
Jackie King, Gordon A McFarlane, Vladlena Gertseva, Jason Gasper, Sean Matson, Cindy A Tribuzio
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引用次数: 9

摘要

100多年来,在整个东北太平洋的商业渔业中,无论是直接捕捞还是偶然捕捞,都遇到过鲨鱼。北太平洋角鲨(Squalus suckleyi)的长期定向渔业已经发生并主导了鲨鱼登陆和丢弃。其他渔业,主要是鲨鱼肝脏,历史上的目标物种包括钝鼻六鳃鲨(Hexanchus griseus)和托普鲨(Galeorhinus galeus)。虽然历史上偶然捕获过许多物种,但直到最近才在商业和娱乐渔业中可靠地列举出这些偶然捕获的物种。在本章中,我们介绍了来自加拿大水域(不列颠哥伦比亚省外)、美国南部水域(加利福尼亚州、俄勒冈州和华盛顿州外)和美国北部水域(阿拉斯加州外)的商业和休闲渔业的鲨鱼捕捞统计数据(直接和偶然)。在这片水域总共遇到了17种鲨鱼。渔业目前面临着鲨鱼管理的保护挑战,即需要准确的捕捞统计、种群划定、生活史参数估计以及改进的种群状况和趋势评估方法。只有进一步发展以科学为基础的健全渔业管理实践,才能改善鲨鱼种群的管理和保护。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Shark Interactions With Directed and Incidental Fisheries in the Northeast Pacific Ocean: Historic and Current Encounters, and Challenges for Shark Conservation.

For over 100 years, sharks have been encountered, as either directed catch or incidental catch, in commercial fisheries throughout the Northeast Pacific Ocean. A long-standing directed fishery for North Pacific Spiny Dogfish (Squalus suckleyi) has occurred and dominated shark landings and discards. Other fisheries, mainly for shark livers, have historically targeted species including Bluntnose Sixgill Shark (Hexanchus griseus) and Tope Shark (Galeorhinus galeus). While incidental catches of numerous species have occurred historically, only recently have these encounters been reliably enumerated in commercial and recreational fisheries. In this chapter we present shark catch statistics (directed and incidental) for commercial and recreational fisheries from Canadian waters (off British Columbia), southern US waters (off California, Oregon, and Washington), and northern US waters (off Alaska). In total, 17 species of sharks have collectively been encountered in these waters. Fishery encounters present conservation challenges for shark management, namely, the need for accurate catch statistics, stock delineation, life history parameter estimates, and improved assessments methods for population status and trends. Improvements in management and conservation of shark populations will only come with the further development of sound science-based fishery management practices for both targeted and incidental shark fisheries.

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来源期刊
Advances in Marine Biology
Advances in Marine Biology MARINE & FRESHWATER BIOLOGY-
CiteScore
6.10
自引率
0.00%
发文量
6
审稿时长
12 months
期刊介绍: Advances in Marine Biology was first published in 1963 under the founding editorship of Sir Frederick S. Russell, FRS. Now edited by Charles Sheppard, the serial publishes in-depth and up-to-date reviews on a wide range of topics which will appeal to postgraduates and researchers in marine biology, fisheries science, ecology, zoology and biological oceanography. Eclectic volumes in the series are supplemented by thematic volumes on such topics as The Biology of Calanoid Copepods.
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