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Assessing the potential for synergies in the implementation of payments for environmental services programmes: an empirical analysis of Costa Rica

机译：评估在执行环境服务方案付款方面的协同增效潜力：对哥斯达黎加的实证分析

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摘要

Payments for environmental services (PES) have been recognized as a promising mechanism for conservation, with the potential to contribute to social objectives such as poverty reduction. This paper outlines a simple framework for assessing the potential for synergies in the implementation of PES programmes, used to analyse the new watershed conservation funding (WCF) channelled through Costa Rica's national PES programme, Pago por Servicios Ambientales (PSA). The WCF financing can only be used in a limited number of watersheds. Given this constraint, the paper examines the mechanisms by which the WCF may potentially contribute to biodiversity conservation and to reducing social development gaps. Although there is significant spatial correlation among the priority areas targeted for the objectives of watershed conservation, biodiversity conservation and social development, the availability of the WCF per unit of land in most watersheds is limited compared to the PSA programme's prevailing payment rate of US$ 64 ha , potentially hindering the impact of the WCF on conservation and social development. The analysis helps guide the allocation of the PSA budget in a way that complements the WCF and improves the cost-effectiveness of the PSA budget.
机译：环境服务付款（PES）已被公认为是一种有前途的养护机制，具有促进减少贫困等社会目标的潜力。本文概述了一个简单的框架，用于评估实施PES计划的协同增效潜力，该框架用于分析通过哥斯达黎加国家PES计划Pago por Servicios Ambientales（PSA）筹集的新流域保护资金（WCF）。 WCF资金只能用于有限的分水岭。在这种限制下，本文研究了WCF可能有助于生物多样性保护和减少社会发展差距的机制。尽管以流域保护，生物多样性保护和社会发展为目标的优先领域之间存在显着的空间相关性，但与PSA计划的现行付款标准64美元相比，大多数流域中每单位土地的WCF可用性有限ha，有可能阻碍WCF对保护和社会发展的影响。该分析有助于对PSA预算进行分配，以补充WCF并提高PSA预算的成本效益。

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