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首页> 外文期刊>Conservation Biology >Boundaries and corridors as a continuum of ecological flow control: Lessons from rivers and streams [Review]
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Boundaries and corridors as a continuum of ecological flow control: Lessons from rivers and streams [Review]

机译：边界和走廊作为生态流量控制的连续体：河流和溪流的教训[评论]

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摘要

Landscape boundaries and corridors are areas of small spatial extent relative to their large effects on ecological flows. The trend in ecological literature is to treat corridors and boundaries as separate phenomena on the landscape. This approach, however, misses a fundamental aspect they have in common: their strong influence on ecological flows. Corridors and boundaries exist at opposite ends of a permeability gradient, differing in their effects on rates and direction of flow. The position of landscape structures along this permeability gradient depends on attributes of both the flow and of the structure itself. We discuss boundaries and corridors in terms of mover specificity, scale, and effects on different levels of ecological organization, using rivers and streams to illustrate our points. We predict which structures will act as boundaries or corridors and at what spatial and temporal scales they are likely to be relevant. considering the function of landscape structures across the boundary-corridor continuum will provide researchers and managers with a more complete, holistic viewpoint and will allow better strategies to attain conservation goals. [References: 106]
机译：景观边界和走廊相对于其对生态流量的巨大影响而言，是空间范围较小的区域。生态文学的趋势是将走廊和边界视为景观中的独立现象。但是，这种方法错过了它们共有的一个基本方面：它们对生态流的强大影响。走廊和边界存在于渗透率梯度的相对两端，对流速和流向的影响不同。景观结构沿该渗透率梯度的位置取决于流量和结构本身的属性。我们使用河流和溪流来说明我们的观点，从移动者的特异性，规模以及对不同层次生态组织的影响方面讨论边界和走廊。我们预测哪些结构将充当边界或走廊，以及它们在什么时空尺度上可能是相关的。考虑到跨边界连续体景观结构的功能，将为研究人员和管理人员提供更完整，整体的观点，并为实现保护目标提供更好的策略。 [参考：106]

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