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首页> 外文期刊>Regional Environmental Change >Hierarchical priority setting for restoration in a watershed in NE Spain, based on assessments of soil erosion and ecosystem services
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Hierarchical priority setting for restoration in a watershed in NE Spain, based on assessments of soil erosion and ecosystem services

机译：根据对土壤侵蚀和生态系统服务的评估，在西班牙东北部的一个流域进行分级优先级设置

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Maintaining and enhancing ecosystem services through the restoration of degraded ecosystems have become an important biodiversity conservation strategy. Deciding where to restore ecosystems for the attainment of multiple services is a key issue for future planning, management, and human well-being. Most restoration projects usually entail a small number of actions in a local area and do not consider the potential benefits of planning restoration at broad regional scales. We developed a hierarchical priority setting approach to evaluate the performance of restoration measures in a semiarid basin in NE Spain (the Martin River Basin, 2,112 km~2). Our analysis utilized a combination of erosion (a key driver of degradation in this Mediterranean region) and six spatially explicit ecosystem services data layers (five of these maps plotted surrogates for soil retention and accumulation, water supply and regulation, and carbon storage, and one plotted a cultural service, ecotourism). Hierarchical maps were generated using a geographic information system that combined areas important for providing a bundle of ecosystem services, as state variables, with erosion maps, as the disturbance or regulatory variable. This was performed for multiple scales, thereby identifying the most adequate scale of analysis and establishing a spatial hierarchy of restoration actions based on the combination of the evaluation of erosion rates and the provision of ecosystem services. Our approach provides managers with a straightforward method for determining the spatial distribution of values for a set of ecosystem services in relation to ecological degradation thresholds and for allocating efforts and resources for restoration projects in complex landscapes.
机译：通过恢复退化的生态系统来维持和增强生态系统服务已成为重要的生物多样性保护战略。决定在何处恢复生态系统以实现多种服务是未来计划，管理和人类福祉的关键问题。大多数恢复项目通常需要在本地采取少量行动，并且没有考虑在广泛的区域范围内计划恢复的潜在好处。我们开发了一种分级优先级设置方法来评估西班牙东北部半干旱盆地（马丁河盆地，2,112 km〜2）的恢复措施的性能。我们的分析结合了侵蚀（这个地中海地区退化的主要驱动力）和六个空间明确的生态系统服务数据层（这些图中的五个绘制了土壤保留和积累，供水和调节以及碳储存的替代物）的组合，其中一个策划了一项文化服务，生态旅游）。分层地图是使用地理信息系统生成的，该系统将对提供一揽子生态系统服务重要的区域（状态变量）与侵蚀图（干扰或调节变量）结合在一起。这是针对多个尺度进行的，从而确定了最适当的分析尺度，并根据对侵蚀速率的评估和生态系统服务的提供，建立了恢复行动的空间层次。我们的方法为管理人员提供了一种直接方法，用于确定与生态退化阈值相关的一组生态系统服务的价值空间分布，以及为复杂景观中的恢复项目分配工作量和资源。

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