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Tradeoffs between ecosystem services : From landscapes to stakeholders

Abstract : Ecosystems contribute to human well-being by providing multiple provisioning, regulating and cultural ecosystem services (ES, i.e. benefits of nature to people). Even though appealing, landscape multifunctionality is challenging and conflicts may appear between competitive uses. In this PhD thesis, we analyzed tradeoffs between ES resulting from landscape configurations and their implications for multiple stakeholders. More precisely, we addressed the following questions: How do landscape configuration and evolution determine the tradeoffs between ecosystem services and their implications for multiple stakeholders? How to study the tradeoffs between ecosystem services and their implications? We mobilized interdisciplinary methods, relying on ecology, economics and sociology. We proposed a framework for analyzing temporal changes of ES and linking socio-economic drivers to ES demand at different scales. We applied it to the upper part of the Reventazón watershed in Costa Rica to reveal tradeoffs between ES. We compared different methods for assessing ES tradeoffs (correlations and production frontiers) and discuss their relevance for different decision context. Finally, we highlighted the tradeoffs between stakeholders by analyzing the differentiated distribution of ES benefits and participation in the governance of ES in the Mariño watershed (Peru)
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https://pastel.archives-ouvertes.fr/tel-03022027
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Submitted on : Tuesday, November 24, 2020 - 3:58:26 PM
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Améline Vallet. Tradeoffs between ecosystem services : From landscapes to stakeholders. Biodiversity and Ecology. Université Paris Saclay (COmUE), 2018. English. ⟨NNT : 2018SACLA011⟩. ⟨tel-03022027⟩

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