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首页> 美国卫生研究院文献>PLoS Clinical Trials >Monitoring the effects of land cover change on the supply of ecosystem services in an urban region: A study of Santiago-Valparaíso, Chile
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Monitoring the effects of land cover change on the supply of ecosystem services in an urban region: A study of Santiago-Valparaíso, Chile

机译：监测城市地区土地覆盖变化对生态系统服务供应的影响：智利圣地亚哥-瓦尔帕莱索研究

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Mankind’s quest for well-being results in continuous pressure to transform landscapes, with said transformation driven by land use changes, urbanization, production activity, and protective measures in addition to climate variability and other environmental drivers. The relationship between anthropogenic landscape changes and the provision of ecosystem services (ES) is a topic of increasing interest in Latin America. In Chile, land cover changes due to increased urbanization and forestry, and expansion of agricultural land, in addition to conservation initiatives as a part of land planning, have been intensive in the last few decades. In this study, the effects of anthropogenic landscape changes on the supply of ES were analyzed for the urban region of Santiago-Valparaiso (Chile) using a method based on expert consultation and land cover change assessment. A pool of experts scored the potential of specific land covers to provide certain ES. The results enabled calculation and mapping of changes in the potential of the landscape to supply ES. The aforementioned changes over a period of 15 years were evaluated. The results indicate a tenuous balance between positive and negative changes to the supply of ES derived from land cover changes. Understanding and reporting how these processes occur in urban regions contributes to the conservation of valuable landscapes through spatial planning tools, especially in areas close to housing developments and sensitive ecosystems.
机译：人类对福祉的追求导致了不断变化的景观转换压力，其中所述转换是由土地利用变化，城市化，生产活动和保护措施以及气候多变性和其他环境驱动因素驱动的。人为景观变化与生态系统服务（ES）之间的关系是拉丁美洲日益引起关注的话题。在智利，过去几十年来，除了作为土地规划的一部分的保护措施外，由于城市化和林业发展以及农用土地的扩张，土地覆盖率也在不断变化。在这项研究中，使用专家咨询和土地覆盖变化评估的方法，分析了圣地亚哥-瓦尔帕莱索（智利）城市地区人为景观变化对生态系统供应的影响。一批专家对特定土地覆盖物提供某些ES的潜力进行了评分。结果使得能够计算和绘制景观潜力以供应ES。对上述变化进行了15年的评估。结果表明，由土地覆盖变化引起的ES供应的正负变化之间存在微弱的平衡。了解和报告这些过程如何在城市地区发生，有助于通过空间规划工具，特别是在靠近房屋开发和敏感生态系统的地区，保护宝贵的景观。

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