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Deutschlands Flusslandschaften stehen vor großen Herausforderungen: Der Klimawandel erhöht das Risiko von Überschwemmungen und Wasserdefiziten, gleichzeitig greifen menschliche Baumaßnahmen wie Flussbegradigungen, Stauungen, Trockenlegungen von Feuchtgebieten oder der Bau von Deichen massiv in die komplexen Ökosysteme ein. Heutige Flusslandschaften sind den zunehmenden Extremereignissen, der Ressourcenknappheit und dem Biodiversitätsverlust kaum gewachsen. Naturbasierte Lösungen für Flusslandschaften bieten konkrete und langfristige Umgangsmöglichkeiten mit diesen gesellschaftlichen Herausforderungen, indem sie natürliche ökologische Funktionen fördern und nutzen. Die Nachwuchsforschergruppe PlanSmart stellt in diesem Handbuch die Grundlagen der Planung naturbasierter Lösungen in Flusslandschaften vor. Das Buch regt dazu an, über Umsetzungsmöglichkeiten für naturbasierte Lösungen nachzudenken, und kann als Leitfaden für die Planung und Realisierung dieser Lösungen dienen. Es gibt Auskunft über die einzelnen Planungsschritte und enthält praktische Methodensteckbriefe für eine bessere Umsetzung der einzelnen Schritte.

Nature-based solutions (NBS) find increasing attention as actions to address societal challenges through harnessing ecological processes, yet knowledge gaps exist regarding approaches to landscape planning with NBS. This paper aims to provide suggestions of how planning NBS can be conceptualized and applied in practice. We develop a framework for planning NBS by merging insights from literature and a case study in the Lahn river landscape, Germany. Our framework relates to three key criteria that define NBS, and consists of six steps of planning: \(\textit{Co-define setting}\), \(\textit{Understand challenges}\), \(\textit{Create visions and scenarios}\), \(\textit{Assess potential impacts}\), \(\textit{Develop solution strategies}\), and \(\textit{Realize and monitor}\). Its implementation is guided by five principles, namely \(\textit{Place-specificity}\), \(\textit{Evidence base}\), \(\textit{Integration}\), \(\textit{Equity}\), and \(\textit{Transdisciplinarity}\). Drawing on the empirical insights from the case study, we suggest suitable methods and a checklist of supportive procedures for applying the framework in practice. Taken together, our framework can facilitate planning NBS and provides further steps towards mainstreaming.

Nature-based solutions (NBS) find increasing attention as actions to address societal challenges through harnessing ecological processes, yet knowledge gaps exist regarding approaches to landscape planning with NBS. This paper aims to provide suggestions of how planning NBS can be conceptualized and applied in practice. We develop a framework for planning NBS by merging insights from literature and a case study in the Lahn river landscape, Germany. Our framework relates to three key criteria that define NBS, and consists of six steps of planning: Co-define setting, Understand challenges, Create visions and scenarios, Assess potential impacts, Develop solution strategies, and Realize and monitor. Its implementation is guided by five principles, namely Place-specificity, Evidence base, Integration, Equity, and Transdisciplinarity. Drawing on the empirical insights from the case study, we suggest suitable methods and a checklist of supportive procedures for applying the framework in practice. Taken together, our framework can facilitate planning NBS and provides further steps towards mainstreaming. © 2020, The Author(s).

Navigating the evolution of river landscapes towards more sustainable pathways requires transdisciplinary research including diverse stakeholders. A thorough understanding of stakeholder interests, including potential conflicts and options for convergence, is critical for the design and implementation of such transdisciplinary research. So far, only a few studies have conducted in-depth stakeholder analyses. The aim of this paper is to elucidate and characterize the interests of the relevant actors in a case study for sustainable river landscape development in Germany. The research questions concern the (i) commonalities and differences as manifested in the structures of thought and action of the actors, and the (ii) potential points of conflict or convergence of interests, as relevant for further transdisciplinary research. Our methods include participating in observations in three meetings of the actors, and conducting twelve individual interviews, as well as a focus group discussion. Our results identify major conflicts between the actors' perspectives regarding navigation interests and the demands for nature conservation. Potential issues for convergence are ecological river restoration and enhancing recreation opportunities. The findings shed light on the diversity of the stakeholder perspectives around river landscape development. We recommend that future projects capture this diversity through a triangulation approach.