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首页> 外文期刊>ICES Journal of Marine Science >A spatially resolved pressure-based approach to evaluate combined effects of human activities and management in marine ecosystems
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A spatially resolved pressure-based approach to evaluate combined effects of human activities and management in marine ecosystems

机译:一种基于空间分辨率的基于压力的方法,用于评估人类活动和管理在海洋生态系统中的综合影响

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摘要

Our oceans are heavily utilized by a wide variety of human activities that exert pressures which negatively impact marine ecosystems, occasionally leading to unsustainable rates of exploitation. A linkage framework approach can be used to make independent associations between sectors, activities, and the pressures they introduce. However, in reality, many different sectors and their associated activities overlap in time and space, potentially changing the severity of their impact as pressures combine, and undermine the efforts of environmental managers to mitigate the harmful effects of those activities. Here, we present a spatially resolved approach to assess the potential for combined effects using a linkage framework assessment. Using illustrative examples from the Northeast Atlantic, we show the likelihood of changes in pressure severity as a result of multiple overlapping activities. Management options to limit pressure introduction are explored and their benefit-measured as a reduction in the area of seabed impacted-assessed. In its simplest form, the approach can be used to develop potential precautionary management options in areas where data availability is poor and more comprehensive management measures where data are more widely available.
机译:我们的海洋被各种人类活动大量利用,这些活动施加压力,对海洋生态系统产生负面影响,有时导致不可持续的开采速度。可以使用链接框架方法在部门,活动及其带来的压力之间建立独立的关联。但是,实际上,许多不同的部门及其相关的活动在时间和空间上重叠,有可能随着压力的增加而改变其影响的严重性,并破坏了环境管理人员减轻这些活动的有害影响的努力。在这里,我们提出一种空间解析的方法,以使用链接框架评估来评估组合效应的潜力。使用来自东北大西洋的说明性示例,我们显示了由于多次重叠活动而导致压力严重性发生变化的可能性。探索了限制压力引入的管理方案,并评估了其收益,以减少受影响的海床面积。以其最简单的形式,该方法可用于在数据可用性较差的区域开发潜在的预防性管理选项,并在数据更广泛的范围内使用更全面的管理措施。

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