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首页> 外文期刊>ICES Journal of Marine Science >From single-species advice to mixed-species management: taking the next step
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From single-species advice to mixed-species management: taking the next step

机译：从单一物种建议到混合物种管理：下一步

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摘要

Fishery management advice has traditionally been given on a stock-by-stock basis. Recent problems in implementing this advice, particularly for the demersal fisheries of the North Sea, have highlighted the limitations of the approach. In the long term, it would be desirable to give advice that accounts for mixed-fishery effects, but in the short term there is a need for approaches to resolve the conflicting management advice for different species within the same fishery, and to generate catch or effort advice that accounts for the mixed-species nature of the fishery. This paper documents a recent approach used to address these problems. The approach takes the single-species advice for each species in the fishery as a starting point, then attempts to resolve it into consistent catch or effort advice using fleet-disaggregated catch forecasts in combination with explicitly stated management priorities for each stock. Results are presented for the groundfish fisheries of the North Sea, and these show that the development of such approaches will also require development of the ways in which catch data are collected and compiled.
机译：传统上，渔业管理建议是逐个提出的。在执行该建议时，特别是对北海深海渔业而言，最近出现的问题凸显了该方法的局限性。从长远来看，可能需要提出考虑到混合渔业影响的建议，但从短期来看，需要一种方法来解决同一渔业中针对不同物种的相互矛盾的管理建议，并产生捕捞量或捕捞量。解释渔业混种性质的努力建议。本文记录了用于解决这些问题的最新方法。该方法以渔业中每个物种的单一物种建议为起点，然后尝试使用船队分类的产量预测结合明确规定的每种种群的管理优先级，将其分解为一致的产量或努力量建议。给出了北海底层鱼类渔业的结果，这些结果表明，开发这种方法还需要发展收集和汇编捕捞数据的方式。

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