Integrated impact assessment of adaptive management strategies in a Dutch peatland polder

van Hardeveld, Henk; de Jong, Harm; Knepflé, Maxim; de Lange, Thijs; Schot, Paul; Spanjers, Bas; Teurlincx, Sven

To achieve a more sustainable management of the subsiding Dutch peatlands, adaptations such as progressively higher surface water levels, pressurized field drains and a transition from dairy farming to paludiculture are considered. However, a clear understanding of implementation pathways for adaptive management strategies is lacking. Therefore, we used the RE:PEAT tool to elucidate the short-term and long-term impacts during 2025–2100 of two adaptive management strategies in Polder Zegveld and how to fairly distribute the costs and benefits of these strategies among the stakeholder groups. The strategies resulted in marked differences in soil subsidence and temporal trends in societal costs and benefits that affected stakeholders unequally. The adaptations were shown to reduce soil subsidence and enhance the sustainability of peatland management. We explored several options for a collective implementation of the adaptative management strategies. In addition, we discuss several ideas to further capitalize on the potential of the RE:PEAT tool to support peatland management. Currently, we are developing additional features that enable high spatio-temporal resolution simulations of the integrated dynamics of the surface water system, the shallow groundwater system, rainfall-runoff processes and solute transport. In combination with the PCDitch model, this will also enable detailed ecological assessments. This will pave the way for implementation pathways for adaptive management strategies that will contribute to a more sustainable peatland management.

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van Hardeveld, Henk / de Jong, Harm / Knepflé, Maxim / et al: Integrated impact assessment of adaptive management strategies in a Dutch peatland polder. 2020. Copernicus Publications.

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Rechteinhaber: Henk van Hardeveld et al.

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