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首页> 外文期刊>ICES Journal of Marine Science >The short-term impacts of implementing catch quotas and a discard ban on English North Sea otter trawlers
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The short-term impacts of implementing catch quotas and a discard ban on English North Sea otter trawlers

机译：实施捕捞配额和对英格兰北海獭拖网的丢弃禁令的短期影响

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摘要

A key objective of the European Union's Common Fisheries Policy reforms is the elimination of discards and a reduction in unwanted catches. Combininga discard ban with catch quotas, where all fish, independent of size, count towards quotas could create economic incentives for more selective fishing, reducing unwanted catches. We use fishing activities data from English North Sea otter trawlers to examine the impact of these measures on this fleet. Initial impacts depend on the scale of increase and distribution of quotas and are unevenly distributed, depending on catch and discard characteristics of vessels. Selective fishing will be rewarded as vessels that currently have low discards could increase catches and profits. Fishing by less selective vessels will be curtailed, reducing profits by 1 -14%. This could be partially mitigated through reducing regulated catches but will require changes to fishing patterns as using currently available selective fishing gears may impact on profitability. So, catch quotas and a discard ban create strong incentives for more selective fishing practices, but also for non-compliance with full documentation of catches. A high level of monitoring and enforcement will be required to ensure that fishers improve profitability through more selective fishing practices rather than illegal discarding.
机译：欧洲联盟共同渔业政策改革的主要目标是消除丢弃物并减少不必要的渔获。将丢弃物禁令与捕捞配额结合起来，在这种捕捞配额中，所有鱼类（不分大小）都计入配额，可以为更有选择性的捕捞创造经济诱因，从而减少不必要的捕捞。我们使用来自英国北海獭拖网捕捞活动的数据来研究这些措施对该船队的影响。最初的影响取决于配额的增加和分配的规模，并且取决于船只的捕获和丢弃特性而分布不均。选择性捕捞将得到奖励，因为目前丢弃物少的船只可能增加渔获量和利润。选择率较低的船只捕鱼将受到限制，利润减少1 -14％。可以通过减少规定的产量来部分缓解这种情况，但是由于使用目前可用的选择性渔具可能会影响获利能力，因此将需要改变捕鱼方式。因此，渔获物配额和丢弃物禁令为更有选择性的捕捞方式提供了强有力的动力，但也导致不遵守渔获物的完整记录。将需要高水平的监测和执法，以确保渔民通过更有选择性的捕鱼方式而不是非法丢弃来提高获利能力。

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