Ecosystem service valuations of mangrove ecosystems to inform decision making and future valuation exercises.
Ecosystem service valuations of mangrove ecosystems to inform decision making and future valuation exercises.
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DOI：
10.1371/journal.pone.0107706
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发表时间：
2014
期刊：
影响因子：
3.7
通讯作者：
Dahdouh-Guebas F
中科院分区：
文献类型：
--
作者：
Mukherjee N;Sutherland WJ;Dicks L;Hugé J;Koedam N;Dahdouh-Guebas F
生态系统服务的估值是一个复杂的过程，因为它包括几个方面（生态、社会文化和经济），并非所有这些方面都可以用货币单位量化。本文的目的是进行红树林生态系统的生态系统服务价值评估研究，其结果可以用来告知红树林的治理和管理。我们使用了一个专家为基础的参与式方法（德尔菲技术），以确定，分类和排名的各种生态系统服务所提供的红树林生态系统在全球范围内。随后，我们在现有的生态系统服务文献中寻找证据，在整个红树林的地理分布中对这些生态系统服务类别进行货币估值。然后，我们比较了货币估值和基于专家的分析之间的生态系统服务类别的相对排名。专家们确定了16个生态系统服务类别，其中6个类别在文献中没有得到充分体现。基于专家的评估（德尔菲技术）和经济评估之间没有显著的相关性，表明生态系统服务价值评估的范围需要扩大。承认不同估值方法的多样性，并制定方法框架，促进生态系统服务研究中的价值多元化，对于维护生态系统服务估值的可信度至关重要。最后，我们使用我们的双重方法来评估的结果，就如何评估和管理红树林生态系统提供的生态系统服务提出建议。
The valuation of ecosystem services is a complex process as it includes several dimensions (ecological, socio-cultural and economic) and not all of these can be quantified in monetary units. The aim of this paper is to conduct an ecosystem services valuation study for mangroves ecosystems, the results of which can be used to inform governance and management of mangroves. We used an expert-based participatory approach (the Delphi technique) to identify, categorize and rank the various ecosystem services provided by mangrove ecosystems at a global scale. Subsequently we looked for evidence in the existing ecosystem services literature for monetary valuations of these ecosystem service categories throughout the biogeographic distribution of mangroves. We then compared the relative ranking of ecosystem service categories between the monetary valuations and the expert based analysis. The experts identified 16 ecosystem service categories, six of which are not adequately represented in the literature. There was no significant correlation between the expert based valuation (the Delphi technique) and the economic valuation, indicating that the scope of valuation of ecosystem services needs to be broadened. Acknowledging this diversity in different valuation approaches, and developing methodological frameworks that foster the pluralism of values in ecosystem services research, are crucial for maintaining the credibility of ecosystem services valuation. To conclude, we use the findings of our dual approach to valuation to make recommendations on how to assess and manage the ecosystem services provided by mangrove ecosystems.
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