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首页> 外文期刊>Conservation Letters >Catch shares, fisheries, and ecological stewardship: a comparative analysis of resource responses to a rights‐based policy instrument
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Catch shares, fisheries, and ecological stewardship: a comparative analysis of resource responses to a rights‐based policy instrument

机译:捕捞量,渔业和生态管理:对基于权利的政策工具的资源反应的比较分析

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AbstractRights-based approaches are potentially promising tools to meet conservation objectives in natural resource management. Here, we evaluated how population status and fishery production respond to catch shares, a rights-based policy instrument in fisheries whereby participants are granted a right to harvest a fraction of the allowable catch. By analyzing time series of landings, exploitation rate, and population biomass for 150 fisheries, we find that catch shares tended to dampen variance in fishery landings and exploitation rate, that they had no effect on population biomass, and that the responses were unrelated to population status prior to catch shares. Variance dampening was strongest when harvesting rights were durable and secure but was absent otherwise. Reductions in exploitation rate were strongest in multispecies fisheries with high levels of at-sea observers. Although benefits are not guaranteed, successful catch share programs share common elements that can be incorporated in the design of future programs.
机译:摘要基于权利的方法是实现自然资源管理中保护目标的潜在有前途的工具。在这里,我们评估了人口状况和渔业生产对捕捞份额的反应,捕捞份额是渔业中一项基于权利的政策工具,参与者被授予收获部分允许捕捞量的权利。通过分析> 150个渔业的上岸时间,剥削率和种群生物量的时间序列,我们发现渔获量趋向于抑制渔业上岸和剥削率的变化,它们对种群生物量没有影响,并且响应与捕捉份额之前的人口状况。当收获权持久且安全时,方差阻尼最强,否则则不存在。在海上观察员人数众多的多品种渔业中,剥削率的下降幅度最大。尽管不能保证收益,成功的捕获量共享程序共享可以在未来程序的设计中合并的共同元素。

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