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首页> 外文期刊>Conservation Biology >Using cost-effective targeting to enhance the efficiency of conservation investments in payments for ecosystem services
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Using cost-effective targeting to enhance the efficiency of conservation investments in payments for ecosystem services

机译：使用具有成本效益的目标来提高生态系统服务付款中保护投资的效率

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Ecosystem services are being protected and restored worldwide through payments for ecosystem services in which participants are paid to alter their land-management approaches to benefit the environment. The efficiency of such investments depends on the design of the payment scheme. Land features have been used to measure the environmental benefits of and amount of payment for land enrollment in payment for ecosystem services schemes. Household characteristics of program participants, however, may also be important in the targeting of land for enrollment. We used the characteristics of households participating in China's Grain-to-Green program, and features of enrolled land to examine the targeting of land enrollment in that program in Wolong Nature Reserve. We compared levels of environmental benefits that can be obtained through cost-effective targeting of land enrollment for different types of benefits under different payment schemes. The efficiency of investments in a discriminative payment scheme (payments differ according to opportunity costs, i.e., landholders' costs of forgoing alternative uses of land) was substantially higher than in a flat payment scheme (same price paid to all participants). Both optimal targeting and suboptimal targeting of land enrollment for environmental benefits achieved substantially more environmental benefits than random selection of land for enrollment. Our results suggest that cost-effective targeting of land through the use of discriminative conservation payments can substantially improve the efficiency of investments in the Grain-to-Green program and other payment for ecosystem services programs.
机译：通过支付生态系统服务费用，全球范围内的生态系统服务得到了保护和恢复，通过向生态系统服务付费，参与者可以改变其土地管理方式以造福于环境。这种投资的效率取决于付款方案的设计。土地特征已被用于衡量生态系统服务计划付款中土地注册的环境效益和付款金额。但是，计划参与者的家庭特征在确定注册土地方面也可能很重要。我们利用参与中国“粮食转绿”计划的农户的特征以及已注册土地的特征来研究卧龙自然保护区该计划中土地注册的目标。我们比较了在不同付款方式下，通过以具有成本效益的方式将土地注册针对不同类型的收益而获得的环境收益水平。歧视性付款方案（付款因机会成本而不同，即土地所有者放弃土地的其他用途的成本而有所不同）的投资效率大大高于统一付款方案（向所有参与者支付的相同价格）。为实现环境效益而对土地注册的最佳目标和次优目标都比随机选择要注册的土地实现了更多的环境收益。我们的结果表明，通过使用区分性的保护性付款，以划算的方式划拨土地，可以从根本上提高“粮食到绿色”计划和其他生态系统服务计划投资的投资效率。

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