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首页> 外文期刊>Environmental & Resource Economics >Econometric Evidence on Forest Ecosystem Services: Deforestation and Flooding in Malaysia
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Econometric Evidence on Forest Ecosystem Services: Deforestation and Flooding in Malaysia

机译：森林生态系统服务的计量经济学证据：马来西亚的森林砍伐和洪水

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Governments around the world are increasingly invoking hydrological services, such as flood mitigation and water purification, as a justification for forest conservation programs in upstream areas. Yet, rigorous empirical evidence that these programs are actually delivering the intended services remains scant. We investigate the effect of deforestation on flood-mitigation services in Peninsular Malaysia during 1984-2000, a period when detailed data on both flood events and land-use change are available for 31 river basins. Floods are the most common natural disaster in tropical regions, but the ability of tropical forests to mitigate large-scale floods associated with heavy rainfall events remains disputed. We find that the conversion of inland tropical forests to oil palm and rubber plantations significantly increased the number of days flooded during the wettest months of the year. Our results demonstrate the importance of using disaggregated land-use data, controlling for potentially confounding factors, and applying appropriate estimators in econometric studies on forest ecosystem services.
机译：世界各国政府越来越多地采用水文服务，例如减灾和水净化，作为上游地区森林保护计划的理由。但是，仍然缺乏关于这些程序实际上正在提供预期服务的严格经验证据。我们调查了1984-2000年间的砍伐森林对马来西亚半岛防洪服务的影响，在这段时期内，可获得31个流域的洪水事件和土地利用变化的详细数据。洪水是热带地区最常见的自然灾害，但是热带森林缓解与强降雨事件相关的大规模洪水的能力仍存在争议。我们发现，内陆热带森林向油棕和橡胶园的转化大大增加了一年中最湿润月份的淹水天数。我们的结果证明了使用分类的土地利用数据，控制潜在的混杂因素以及在森林生态系统服务的计量经济学研究中应用适当的估算器的重要性。

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