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首页> 外文期刊>Journal of Soil and Water Conservation >The economic benefits of soil erosion control: An application of the contingent valuation method in the Alto Genii basin of southern Spain
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The economic benefits of soil erosion control: An application of the contingent valuation method in the Alto Genii basin of southern Spain

机译：土壤侵蚀控制的经济效益：或有评估方法在西班牙南部奥拓吉尼盆地的应用

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摘要

Soil erosion results in many off-site negative effects such as eutrophication of waterways and impacts on landscape quality. Because these off-site effects are rarely "captured" in markets they are often given too little weight in policy decisions. In this paper, we apply the contingent valuation method (CV) to estimate the benefits of a soil erosion control program in the Alto Genii area of southern Spain to the general public. Our survey design attempts to reduce part-whole bias by getting respondents to also value other, substitute environmental programs. Our main finding is that a majority of the catchment's population is willing to pay to reduce off-site damages, and that current off-site damages impose costs of around 4-7 million euros~1/year, or around 42-72 euros/hectare/year (17-29 euros/acre/year). Reminding respondents about substitute environmental projects is found to have a significant impact on the value placed on soil erosion control.
机译：水土流失会导致许多异地负面影响，例如水道富营养化以及对景观质量的影响。由于这些场外影响很少在市场上被“捕获”，因此在决策中往往没有给予太大的重视。在本文中，我们采用或有估值法（CV）来评估西班牙南部的上盖尼（Alto Genii）地区水土流失防治计划对公众的好处。我们的调查设计试图通过让受访者也重视其他替代性环境计划来减少整体偏见。我们的主要发现是，集水区的大多数人愿意为减少场外损害而支付费用，而目前的场外损害所造成的成本约为4-7百万欧元〜1 /年，或约42-72欧元/公顷/年（17-29欧元/英亩/年）。人们发现，提醒人们注意替代环境项目对土壤侵蚀控制的价值具有重大影响。

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