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Trade-offs and synergies between ecosystem services in uneven-aged mountain forests: evidences using Pareto fronts

Abstract : Uneven-aged mountain forests are considered favourable for the continuous provisioning of multiple ecosystem services (ES). These ES may however exhibit trade-offs or synergies that can be modulated by forest management. Yet, our knowledge remains poor on both the relationships between ES and the way management practices can optimise and reconcile them. In this study, we aimed at (1) characterising trade-offs and synergies between timber production, biodiversity conservation and protection against natural hazards; (2) identifying efficient (i.e. Pareto-optimal) management scenarios for the joint provisioning of these ES; and (3) comparing them to “reference” management scenarios. Using a simulation framework that couples a forest dynamics model, a silviculture algorithm and linker functions relating ES indicators to stand structure, we predicted the response of different ES indicators to various uneven-aged management practices in the Western Alps. With a metamodeling approach and Pareto front techniques, we intensively explored and analysed relationships between ES indicators and found trade-offs between timber production and other ES, but synergies between protection and biodiversity. “Pareto-optimal” management scenarios were characterised by low thinning and harvesting intensities but exhibited gradients of total removals and deadwood and large tree retention along the Pareto front. They greatly differed from our set of production and biodiversity oriented reference scenarios, thus emphasising the strong impact of considering additional ES in scenario optimisation processes. This study highlighted the strengths and weaknesses of Pareto front techniques for both the analysis of trade-offs and synergies between ES and the identification of efficient management practices
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Soumis le : vendredi 21 juin 2019 - 15:53:21
Dernière modification le : lundi 11 octobre 2021 - 13:22:37



Valentine Lafond, Thomas Cordonnier, Zhun Mao, Benoit Courbaud. Trade-offs and synergies between ecosystem services in uneven-aged mountain forests: evidences using Pareto fronts. European Journal of Forest Research, Springer Verlag, 2017, 136 (5-6), pp.997-1012. ⟨10.1007/s10342-016-1022-3⟩. ⟨hal-02162276⟩



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