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首页> 外文OA文献 >Effects of extreme natural events on the provision of ecosystem services in a mountain environment : The importance of trail design in delivering system resilience and ecosystem service co-benefits
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Effects of extreme natural events on the provision of ecosystem services in a mountain environment : The importance of trail design in delivering system resilience and ecosystem service co-benefits

机译：极端自然事件对山区环境中提供生态系统服务的影响：线索设计在提供系统恢复力和生态系统服务共生效益方面的重要性

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摘要

A continued supply of ecosystem services (ES) from a system depends on the resilience of that system to withstand shocks and perturbations. In many parts of the world, climate change is leading to an increased frequency of extreme weather events, potentially influencing ES provision. Our study of the effects of an intense rainfall event in Gorce National Park, Poland, shows: (1) the intense rainfall event impacted heavily on the supply of ES by limiting potential recreation opportunities and reducing erosion prevention; (2) these negative impacts were not only restricted to the period of the extreme event but persisted for up to several years, depending on the pre-event trail conditions and post-event management activities; (3) to restore the pre-event supply of ES, economic investments were required in the form of active repairs to trails, which, in Gorce National Park, were an order of magnitude higher than the costs of normal trail maintenance; and (4) when recreational trails were left to natural restoration, loss of biodiversity was observed, and recovery rates of ES (recreation opportunities and soil erosion prevention) were reduced in comparison to their pre-event state. We conclude that proper trail design and construction provides a good solution to avoid some of the negative impacts of extreme events on recreation, as well as offering co-benefits in terms of protecting biodiversity and enhancing the supply of regulating services such as erosion prevention.
机译：系统能否持续提供生态系统服务（ES）取决于该系统抵御冲击和扰动的弹性。在世界许多地方，气候变化导致极端天气事件的发生频率增加，有可能影响ES的提供。我们对波兰戈尔斯国家公园一次强降雨事件的影响研究表明：（1）强降雨事件通过限制潜在的休闲机会并减少了对侵蚀的侵蚀，严重影响了ES的供应； （2）这些负面影响不仅限于极端事件发生的时间，而且还会持续长达数年之久，具体取决于事件发生前的情况和事件发生后的管理活动； （3）为了恢复活动前的ES供应，需要以主动维修小径的方式进行经济投资，在戈尔斯国家公园，这比正常小径的维护费用高一个数量级； （4）当休闲路线留给自然恢复时，观察到生物多样性的丧失，与活动前相比，生态系统的恢复率（娱乐机会和水土流失预防）降低。我们得出的结论是，正确的步道设计和建造提供了一个很好的解决方案，可以避免极端事件对娱乐的某些负面影响，并在保护生物多样性和增加诸如防腐蚀等调节服务的供应方面提供共同利益。

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