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Evaluation of the Time Tension Line Cutter (TTLC) as a whale-safe fishing gear option.

机译：对时间张力线切割器（TTLC）作为鲸鱼安全渔具选件的评估。

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摘要

The Time Tension Line Cutter (TTLC) is a device designed to limit the severity of entanglement of whales, the critically endangered North Atlantic Right Whale (NARW) in particular, in passive fishing gear. In this study, an evaluation of the performance of the TTLC was conducted using a series of lobster trawl tows, as well as a pilot study to test the durability and fishability of the TTLC in real fishing situations.;The trawl tow test data were collected for 5, 10, and 20 trap trawls, consisting of end line loading and trap elevation measurements. The time to cut (TTC) was measured on the TTLC employed in these tows, while the trap elevation and end line loading were used to understand gear behavior in an entanglement scenario. Additional numerical and controlled physical testing was conducted to verify the results of the tow tests. The pilot study employed 50 TTLCs procured by Blue Water Concepts of Eliot ME, which were distributed to fisherman for testing. Data collected consisted of pre- and post-deployment TTC calibrations, as well as a log sheet filled out by the fisherman.
机译：时间张力线切割器（TTLC）是一种旨在限制鲸鱼，特别是被动捕捞装置中极度濒危的北大西洋右鲸（NARW）纠缠的设备。在这项研究中，使用了一系列龙虾拖网拖曳丝进行了TTLC性能的评估，并进行了一项试验研究，以测试TTLC在真实捕鱼情况下的耐用性和可钓性;收集了拖网拖曳丝测试数据5个，10个和20个疏水阀拖网，包括端线载荷和疏水阀高程测量。切割时间（TTC）是在这些丝束中使用的TTLC上测得的，而捕集阱的抬高和端线的负载可用来了解缠结情况下的齿轮性能。进行了附加的数字和受控物理测试，以验证拖曳测试的结果。这项初步研究使用了由Eliot ME的Blue Water Concepts采购的50台TTLC，这些TTLC已分发给渔民进行测试。收集的数据包括部署前和部署后的TTC校准，以及渔民填写的日志。

著录项

  • 作者

    Pickett, Timothy S.;

  • 作者单位

    University of New Hampshire.;

  • 授予单位 University of New Hampshire.;
  • 学科 Engineering Marine and Ocean.;Agriculture Fisheries and Aquaculture.
  • 学位 M.S.
  • 年度 2009
  • 页码 88 p.
  • 总页数 88
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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