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Land-change dynamics and ecosystem service trends across the central high-Andean Puna

机译:高安第斯山脉中部普纳地区的土地变化动态和生态系统服务趋势

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摘要

Mountain landscapes provide multiple ecosystem services that are continually vulnerable to land-change. These complex variations over space and time need to be clustered and explained to develop efficient and sustainable land management processes. We completed a spatiotemporal analysis that describes how different patterns of 6 land-change dynamics impact on the supply of 7 ecosystem services over a period of 13 years and across 25 provinces in the central high-Andean Puna of Peru. The appraisal describes: (1) how clusters of land-change dynamics are linked to ecosystem service bundles; (2) which are the dominant land-change dynamics that influence changes in ecosystem service bundles and (3) how multiple ecosystem service provision and relationships vary over space and time. Our analysis addressed agricultural intensification, agricultural de-intensification, natural processes and deforestation as the most critical land-change dynamics across the central high-Andean region over time. Our results show that most of the provinces were mainly described by a small set of land-change dynamics that configured four types of ecosystem service bundles. Moreover, our study demonstrated that different patterns of land-change dynamics can have the same influence on the ecosystem service bundle development, and transformation of large areas are not necessarily equivalent to high variations in ecosystem service supply. Overall, this study provides an approach to facilitate the incorporation of ES at multiple scales allowing an easy interpretation of the region development that can contribute to land management actions and policy decisions.
机译:山地景观提供了多种生态系统服务,这些服务不断受到土地变化的影响。需要对这些复杂的时空复杂变化进行聚类和解释,以开发有效且可持续的土地管理流程。我们完成了一个时空分析,描述了6种土地变化动态的不同模式如何在13年内以及秘鲁中部安第斯普纳地区的25个省中对7种生态系统服务的供应产生影响。该评估描述:(1)土地变化动态集群如何与生态系统服务捆绑相关; (2)是影响生态系统服务捆绑变化的主要土地变化动力;(3)多种生态系统服务提供和关系如何随时间和空间变化。我们的分析将农业集约化,农业集约化,自然过程和森林砍伐视为整个安第斯中部地区随时间推移最为关键的土地变化动态。我们的结果表明,大多数省份主要由一小部分土地变化动态描述,这些变化配置了四种类型的生态系统服务捆绑。此外,我们的研究表明,不同类型的土地变化动态可能会对生态系统服务捆绑的发展产生相同的影响,大面积的转变并不一定等同于生态系统服务供给的高度变化。总体而言,这项研究提供了一种促进在多个尺度上纳入生态系统的方法,从而可以轻松地解释可以促进土地管理行动和政策决策的区域发展。

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