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首页> 外文期刊>ICES Journal of Marine Science >Can permanent closures of nearshore areas reduce the proportions of undersized fish in the Icelandic longline fishery?
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Can permanent closures of nearshore areas reduce the proportions of undersized fish in the Icelandic longline fishery?

机译：永久关闭近岸地区是否可以减少冰岛延绳钓渔业中尺寸偏小的鱼的比例？

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摘要

In recent years, about one-third of the cod (Gadus morhua) and haddock (Melanogrammus aeglefinus) catches in Icelandic waters have been obtained with longline. Although longlining has been regarded as a conservation-oriented fishing method, a serious drawback of this fishing gear is the high catches of undersized fish. Our purpose was to locate areas where catches of undersized fish are high and consider if it may be feasible to close them permanently for longlining. Extensive length measurements used in the analysis were made by official inspectors on-board longliners during 2005 - 2013 in the main fishing area around Iceland. We found that the percentage of undersized cod (＜ 55 cm total length) and haddock (＜45 cm) in those samples decreased in relation to both depth and distance from shore. Our results suggest that permanent closures of large nearshore areas for longlining is a feasible option to reduce catch of undersized cod and haddock.
机译：近年来，在延绳钓中获得了约三分之一的冰岛水域鳕鱼（Gadus morhua）和黑线鳕（Melanogrammus aeglefinus）渔获物。尽管延绳钓已被认为是一种以保护为导向的捕鱼方法，但这种渔具的一个严重缺点是钓到的鱼过小。我们的目的是确定捕获超小型鱼的地方，并考虑永久关闭它们以延长钓期是否可行。分析中使用的广泛长度测量是由官方检查员在2005年-2013年期间在冰岛附近的主要捕捞地区进行的。我们发现，这些样品中的鳕鱼（总长度<55 cm）和黑线鳕（<45 cm）的百分比随深度和距海岸的距离而降低。我们的研究结果表明，永久关闭大片近岸区域以延绳钓是减少捕捞过小鳕鱼和黑线鳕的可行选择。

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