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Dr. Aude Zingraff-Hamed
Faculty of Landscape Architecture and Landscape Planning, Technische Universität München, 80333 München, Germany

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0 climate adaptation
0 Urban climate
0 River Restoration
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Editorial
Published: 10 March 2021 in Sustainability
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Climate change results in an increase of the frequency and intensity of extreme hydro-meteorological risks such as floods, mudflows, landslides, avalanches and rockfalls jeopardizing a great number of people, settlements and critical infrastructures every year

ACS Style

Gerd Lupp; Aude Zingraff-Hamed. Nature-Based Solutions—Concept, Evaluation, and Governance. Sustainability 2021, 13, 3012 .

AMA Style

Gerd Lupp, Aude Zingraff-Hamed. Nature-Based Solutions—Concept, Evaluation, and Governance. Sustainability. 2021; 13 (6):3012.

Chicago/Turabian Style

Gerd Lupp; Aude Zingraff-Hamed. 2021. "Nature-Based Solutions—Concept, Evaluation, and Governance." Sustainability 13, no. 6: 3012.

Review
Published: 06 March 2021 in Sustainability
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Human welfare depends on the health of nature. Decades of ill-conceived management practices caused a decline in the quality of human life, as well as in biological and cultural diversity. Simultaneously, they increased social and ecological risks. For instance, mismanagement of urban rivers jeopardizes their ecological health and ability to provide ecosystem services. While demands for responsible urban riverscape design that fulfill both human and ecosystem needs are increasing, explicit recommendations to achieve these ambitious goals are still lacking. We present a first attempt of a conceptualization of Human–River Encounter Sites for urban rivers that targets reconciliation between humans and nature within urban river corridors. It builds upon the River Culture Concept with literature reviews and experiences from river restoration projects. We identify six tenets that are important to develop guidelines for Human–River Encounter Sites: health, safety, functionality, accessibility, collaboration, and awareness. This paper presents how these tenets can collectively help to harmonize the needs of citizens and biota, and to mitigate the current urban river crisis. This contribution feeds the debate on sustainable socio-ecological management of urban rivers and provides guidelines for the implementation of future urban river restorations and management efforts.

ACS Style

Aude Zingraff-Hamed; Mathieu Bonnefond; Sebastien Bonthoux; Nicolas Legay; Sabine Greulich; Amélie Robert; Vincent Rotgé; José Serrano; Yixin Cao; Raita Bala; Alvin Vazha; Rebecca Tharme; Karl Wantzen. Human–River Encounter Sites: Looking for Harmony between Humans and Nature in Cities. Sustainability 2021, 13, 2864 .

AMA Style

Aude Zingraff-Hamed, Mathieu Bonnefond, Sebastien Bonthoux, Nicolas Legay, Sabine Greulich, Amélie Robert, Vincent Rotgé, José Serrano, Yixin Cao, Raita Bala, Alvin Vazha, Rebecca Tharme, Karl Wantzen. Human–River Encounter Sites: Looking for Harmony between Humans and Nature in Cities. Sustainability. 2021; 13 (5):2864.

Chicago/Turabian Style

Aude Zingraff-Hamed; Mathieu Bonnefond; Sebastien Bonthoux; Nicolas Legay; Sabine Greulich; Amélie Robert; Vincent Rotgé; José Serrano; Yixin Cao; Raita Bala; Alvin Vazha; Rebecca Tharme; Karl Wantzen. 2021. "Human–River Encounter Sites: Looking for Harmony between Humans and Nature in Cities." Sustainability 13, no. 5: 2864.

Preprint content
Published: 04 March 2021
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Nature-based solutions (NBS) are increasingly recognized as robust, sustainable and cost-effective measures for reducing the risk of extreme weather events. Their widespread implementation has become an important goal of the European Union’s political agenda. Many types of measures are included under the umbrella term of NBS. As their number is increasing, knowledge transfer should support effective implementation. Efforts have been made by a number of EU funded projects to develop and assess NBS implementation and enhance the transfer of experience. European databases as OPPLA has been created for this purpose. Interestingly, while mountain areas are highly vulnerable and already have experienced numerous extreme hydro-meteorological events and related natural hazards, NBS implementation in mountain area have received very little attention in both the research and practices until recently. The EU funded project PHUSICOS intends to partly fill this research gap by contributing in the knowledge transfer effort in making an inventory of NBS at their case study sites located in mountain areas. Given this background, the goal of our study is to provide a detailed overview of the NBS implementation effort for the case of German Alps. In this contribution, we present a systematic survey performed in the German Alps. We found 156 solutions implemented. Descriptive and qualitative analyses provided an overview of the implementation efforts in the German Alpine areas. Most of the measures were located within river systems and targeted flood protection. Few measures were implemented in the upper catchment to retain water on the land. Furthermore, few solutions exist to mitigate soil erosion and landslide. Further analysis concentrated on the stakeholders driving the NBS implementation. This survey may help, in the future to develop practical guidelines, identify governance enablers, ease cross-fertilization and identify successfully strategies.

ACS Style

Aude Zingraff-Hamed; Gerd Lupp; Jonathan Schedler; Josh Huang; Stephan Pauleit. 156 Nature-based solutions in the German Alps to mitigate hydro-meteorological risks. 2021, 1 .

AMA Style

Aude Zingraff-Hamed, Gerd Lupp, Jonathan Schedler, Josh Huang, Stephan Pauleit. 156 Nature-based solutions in the German Alps to mitigate hydro-meteorological risks. . 2021; ():1.

Chicago/Turabian Style

Aude Zingraff-Hamed; Gerd Lupp; Jonathan Schedler; Josh Huang; Stephan Pauleit. 2021. "156 Nature-based solutions in the German Alps to mitigate hydro-meteorological risks." , no. : 1.

Preprint content
Published: 04 March 2021
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Countries located in the Danube River Basin (DRB) are in danger of being affected by major catastrophic floods along the Danube and its tributaries. Floodplain restoration measures are among win-win nature-based solutions (NBS) for flood risk reduction but practitioners see their limitations in comparison to technical measures, when looking at their effectiveness and profitability. Within the framework of the EU Interreg Danube Floodplain project, this presentation shows the benefits of floodplain restoration in terms of monetized ecosystem services (ES). Our work focused on multiple ES groups for four study areas in the Danube catchment, located in Czech Republic, Romania, Serbia, and Slovenia. This was done with the help of stakeholder engagement, hydrodynamic models results, and the Toolkit for Ecosystem Service Site-Based Assessment (TESSA). Moreover, the approach was complemented with alternative methodologies (e.g. surveys on social media). Results show positive annual combined benefits of floodplain restoration measures, suggesting the helpfulness of evaluating these NBS through ES assessment. The work done will help increasing the knowledge on floodplain and their ES, and on how to rapidly evaluate them. Moreover, it will bring decision-makers further evidence in favor of floodplain restoration measures to be implemented for a general benefit of the communities.

ACS Style

Francesca Perosa; Marion Gelhaus; Veronika Zwirglmaier; Leonardo F. Arias-Rodriguez; Aude Zingraff-Hamed; Bernd Cyffka; Markus Disse. Examples of Floodplain Restoration Evaluation Studies in the Danube River Basin. 2021, 1 .

AMA Style

Francesca Perosa, Marion Gelhaus, Veronika Zwirglmaier, Leonardo F. Arias-Rodriguez, Aude Zingraff-Hamed, Bernd Cyffka, Markus Disse. Examples of Floodplain Restoration Evaluation Studies in the Danube River Basin. . 2021; ():1.

Chicago/Turabian Style

Francesca Perosa; Marion Gelhaus; Veronika Zwirglmaier; Leonardo F. Arias-Rodriguez; Aude Zingraff-Hamed; Bernd Cyffka; Markus Disse. 2021. "Examples of Floodplain Restoration Evaluation Studies in the Danube River Basin." , no. : 1.

Journal article
Published: 01 February 2021 in Sustainability
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Floodplain restoration measures are among the most well-known nature-based solutions for flood risk reduction but practitioners see their limitations in comparison to technical measures when considering both their effectiveness and profitability. The aim of this study is to show the co-benefits (besides flood risk reduction) of floodplain restoration and handle them in terms of monetized ecosystem services (ES). Our work focused on six ES groups for three study areas in the Danube catchment along the Krka, Morava, and Danube rivers. ES mapping through stakeholder engagement is also considered. We applied the methodologies suggested in the Toolkit for Ecosystem Service Site-Based Assessment (TESSA) complemented with alternative methodologies (e.g., questionnaires on social media). Results show annual combined benefits of floodplain restoration in a range from 237,000 USD2019 at Krka to 3.1 million USD2019 at Morava, suggesting the utility of ES assessment. The combination of stakeholder workshops and the TESSA guidelines, as well as the newly developed methods, were all central tools to provide decision-makers with arguments to use nature-based solutions for an integrated and holistic riparian land use management.

ACS Style

Francesca Perosa; Marion Gelhaus; Veronika Zwirglmaier; Leonardo Arias-Rodriguez; Aude Zingraff-Hamed; Bernd Cyffka; Markus Disse. Integrated Valuation of Nature-Based Solutions Using TESSA: Three Floodplain Restoration Studies in the Danube Catchment. Sustainability 2021, 13, 1482 .

AMA Style

Francesca Perosa, Marion Gelhaus, Veronika Zwirglmaier, Leonardo Arias-Rodriguez, Aude Zingraff-Hamed, Bernd Cyffka, Markus Disse. Integrated Valuation of Nature-Based Solutions Using TESSA: Three Floodplain Restoration Studies in the Danube Catchment. Sustainability. 2021; 13 (3):1482.

Chicago/Turabian Style

Francesca Perosa; Marion Gelhaus; Veronika Zwirglmaier; Leonardo Arias-Rodriguez; Aude Zingraff-Hamed; Bernd Cyffka; Markus Disse. 2021. "Integrated Valuation of Nature-Based Solutions Using TESSA: Three Floodplain Restoration Studies in the Danube Catchment." Sustainability 13, no. 3: 1482.

Nature based solutions in river landscapes
Published: 31 December 2020 in Ambio
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Nature-based solutions (NBS) for mitigating climate change are gaining popularity. The number of NBS is increasing, but research gaps still exist at the governance level. The objectives of this paper are (i) to give an overview of the implemented NBS for flood risk management and mitigation in Germany, (ii) to identify governance models that are applied, and (iii) to explore the differences between these models. The results of a hierarchical clustering procedure and a qualitative analysis show that while no one-size-fits-all governance model exists, polycentricism is an important commonality between the projects. The study concludes by highlighting the need for further research on traditional governance model reconversion and paradigm changes. We expect the findings to identify what has worked in the past, as well as what is important for the implementation of NBS for flood risk management in future projects.

ACS Style

Aude Zingraff-Hamed; Frank Hüesker; Christian Albert; Mario Brillinger; Joshua Huang; Gerd Lupp; Sebastian Scheuer; Mareen Schlätel; Barbara Schröter. Governance models for nature-based solutions: Seventeen cases from Germany. Ambio 2020, 50, 1610 -1627.

AMA Style

Aude Zingraff-Hamed, Frank Hüesker, Christian Albert, Mario Brillinger, Joshua Huang, Gerd Lupp, Sebastian Scheuer, Mareen Schlätel, Barbara Schröter. Governance models for nature-based solutions: Seventeen cases from Germany. Ambio. 2020; 50 (8):1610-1627.

Chicago/Turabian Style

Aude Zingraff-Hamed; Frank Hüesker; Christian Albert; Mario Brillinger; Joshua Huang; Gerd Lupp; Sebastian Scheuer; Mareen Schlätel; Barbara Schröter. 2020. "Governance models for nature-based solutions: Seventeen cases from Germany." Ambio 50, no. 8: 1610-1627.

Journal article
Published: 28 December 2020 in Sustainability
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Living Labs are recognized as a progressive form to foster innovation and the strengthening of collaborative planning. The concept has received strong attention by the European Union (EU) research and innovation agendas recently. This contribution investigates how a Living Lab approach could be used for the design and implementation of Nature-Based Solutions (NBS). NBS are gaining acceptance as a more sustainable solution for reducing the exposure to natural hazards and vulnerability to events, such as increased flooding in changing climate. However, a lack of collaborative approaches hinders their broader implementation. A literature review on the theoretical aspects of the Living Labs concept in the context of NBS is conducted, and we compare the theoretical findings with practices that were observed by case studies implementing NBS in a collaborative manner. The Isar-Plan River Restoration in Munich, Germany, and the Mountain Forest Initiative (Bergwaldoffensive). Both of the case studies have already started well before the concept of Living Labs gained wider popularity. Both award-winning cases are recognized good practice for their exemplary in-depth stakeholder involvement. The paper discusses the concepts and approaches of Living Labs and reflects on how it can serve and support in-depth participatory stakeholder involvement.

ACS Style

Gerd Lupp; Aude Zingraff-Hamed; Josh Huang; Amy Oen; Stephan Pauleit. Living Labs—A Concept for Co-Designing Nature-Based Solutions. Sustainability 2020, 13, 188 .

AMA Style

Gerd Lupp, Aude Zingraff-Hamed, Josh Huang, Amy Oen, Stephan Pauleit. Living Labs—A Concept for Co-Designing Nature-Based Solutions. Sustainability. 2020; 13 (1):188.

Chicago/Turabian Style

Gerd Lupp; Aude Zingraff-Hamed; Josh Huang; Amy Oen; Stephan Pauleit. 2020. "Living Labs—A Concept for Co-Designing Nature-Based Solutions." Sustainability 13, no. 1: 188.

Journal article
Published: 18 October 2020 in Sustainability
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Nature-based solutions (NBS) are inspired and supported by nature but designed by humans. Historically, governmental stakeholders have aimed to control nature using a top-down approach; more recently, environmental governance has shifted to collaborative planning. Polycentric governance and co-creation procedures, which include a large spectrum of stakeholders, are assumed to be more effective in the management of public goods than traditional approaches. In this context, NBS projects should benefit from strong collaborative governance models, and the European Union is facilitating and encouraging such models. While some theoretical approaches exist, setting-up the NBS co-creation process (namely co-design and co-implementation) currently relies mostly on self-organized stakeholders rather than on strategic decisions. As such, systematic methods to identify relevant stakeholders seem to be crucial to enable higher planning efficiency, reduce bottlenecks and time needed for planning, designing, and implementing NBS. In this context, this contribution is based on the analysis of 16 NBS and 359 stakeholders. Real-life constellations are compared to theoretical typologies, and a systematic stakeholder mapping method to support co-creation is presented. Rather than making one-fit-all statements about the “right” stakeholders, the contribution provides insights for those “in charge” to strategically consider who might be involved at each stage of the NBS project.

ACS Style

Aude Zingraff-Hamed; Frank Hüesker; Gerd Lupp; Chloe Begg; Josh Huang; Amy Oen; Zoran Vojinovic; Christian Kuhlicke; Stephan Pauleit. Stakeholder Mapping to Co-Create Nature-Based Solutions: Who Is on Board? Sustainability 2020, 12, 8625 .

AMA Style

Aude Zingraff-Hamed, Frank Hüesker, Gerd Lupp, Chloe Begg, Josh Huang, Amy Oen, Zoran Vojinovic, Christian Kuhlicke, Stephan Pauleit. Stakeholder Mapping to Co-Create Nature-Based Solutions: Who Is on Board? Sustainability. 2020; 12 (20):8625.

Chicago/Turabian Style

Aude Zingraff-Hamed; Frank Hüesker; Gerd Lupp; Chloe Begg; Josh Huang; Amy Oen; Zoran Vojinovic; Christian Kuhlicke; Stephan Pauleit. 2020. "Stakeholder Mapping to Co-Create Nature-Based Solutions: Who Is on Board?" Sustainability 12, no. 20: 8625.

Review article
Published: 17 October 2020 in Science of The Total Environment
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Improving the adoption of Nature-based Solutions (NBS) requires learning from successes and failures. Knowledge derived from implemented cases helps to identify for instance drivers and barriers of NBS implementation, generates lessons learned, and supports their upscaling. Online data pools that catalogue information from NBS case studies may help scientists and practitioners to create this knowledge. The aim of this review is to assess the knowledge transfer potential of online data pools for implementing and upscaling NBS. For that, we compared 21 online data pools that report on NBS case studies in terms of topics, availability and quality of information on NBS. We found a high variability in quantity, type and quality of the information documented, hindering comparability and limiting knowledge transfer. Our results show that the most common knowledge provided was on actions undertaken on NBS, their outcomes, case study site descriptions, specific challenges and information on responsible entities and partners. Information on key attributes of NBS, such as on ecosystem processes and services as well as on governance and financing issues, was often omitted. The missing information however would be important for further comparative research to overcome implementation gaps for NBS. Based on the discussion of our findings we propose categories for a more efficient online data pool and give recommendations for further research on NBS.

ACS Style

Barbara Schröter; Aude Zingraff-Hamed; Edward Ott; Joshua Huang; Frank Hüesker; Claire Nicolas; Nadine Jenny Shirin Schröder. The knowledge transfer potential of online data pools on nature-based solutions. Science of The Total Environment 2020, 762, 143074 .

AMA Style

Barbara Schröter, Aude Zingraff-Hamed, Edward Ott, Joshua Huang, Frank Hüesker, Claire Nicolas, Nadine Jenny Shirin Schröder. The knowledge transfer potential of online data pools on nature-based solutions. Science of The Total Environment. 2020; 762 ():143074.

Chicago/Turabian Style

Barbara Schröter; Aude Zingraff-Hamed; Edward Ott; Joshua Huang; Frank Hüesker; Claire Nicolas; Nadine Jenny Shirin Schröder. 2020. "The knowledge transfer potential of online data pools on nature-based solutions." Science of The Total Environment 762, no. : 143074.

Proceedings
Published: 01 January 2020 in Environmental Sciences Proceedings
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In mountain areas, natural hazards, e.g., flooding, snow avalanches, droughts, and landslides are triggered by climate change, anthropization, and economic development. Nature-Based Solutions (NBSs) are attracting increasing interest as they are able to couple technical solutions against natural hazards with ecological and socio-economic resilience. On this matter, the four-year H2020 Innovation Action “PHUSICOS—According to Nature” (Grant Agreement nr. 776681) project aims to assess the effectiveness of NBSs and hybrid solutions to hinder hydro-meteorological events in rural and mountainous areas in Europe. Among the ongoing activities within the project, a multi-criteria tool was implemented to assess the effectiveness of NBSs measures from the technical, environmental, and socio-economic perspectives. In this work, the preliminary application of the assessment tool to the Isar River (DE) PHUSICOS concept case is discussed, with reference to an ex-post analysis of the flood risk management plan, comparing the performances of the implemented NBS project scenario against a potential grey solution.

ACS Style

Francesco Pugliese; Gerardo Caroppi; Aude Zingraff-Hamed; Gerd Lupp; Maurizio Giugni. Nature-Based Solutions (NBSs) Application for Hydro-Environment Enhancement. A Case Study of the Isar River (DE). Environmental Sciences Proceedings 2020, 2, 2030 .

AMA Style

Francesco Pugliese, Gerardo Caroppi, Aude Zingraff-Hamed, Gerd Lupp, Maurizio Giugni. Nature-Based Solutions (NBSs) Application for Hydro-Environment Enhancement. A Case Study of the Isar River (DE). Environmental Sciences Proceedings. 2020; 2 (1):2030.

Chicago/Turabian Style

Francesco Pugliese; Gerardo Caroppi; Aude Zingraff-Hamed; Gerd Lupp; Maurizio Giugni. 2020. "Nature-Based Solutions (NBSs) Application for Hydro-Environment Enhancement. A Case Study of the Isar River (DE)." Environmental Sciences Proceedings 2, no. 1: 2030.

Review
Published: 11 September 2019 in Sustainability
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In many countries of the Global South, aquatic ecosystems such as streams, rivers, lakes, and wetlands are severely impacted by several simultaneous environmental stressors, associated with accelerated urban development, and extreme climate. However, this problem receives little attention. Applying a DPSIR approach (Drivers, Pressures, State, Impacts, Responses), we analyzed the environmental impacts and their effects on urban hydrosystems (including stagnant waters), and suggest possible solutions from a series of case studies worldwide. We find that rivers in the Global South, with their distinctive geographical and socio-political setting, display significant differences from the Urban Stream Syndrome described so far in temperate zones. We introduce the term of ‘Southern Urban Hydrosystem Syndrome’ for the biophysical problems as well as the social interactions, including the perception of water bodies by the urbanites, the interactions of actors (e.g., top-down, bottom-up), and the motivations that drive urban hydrosystem restoration projects of the Global South. Supported by a synthesis of case studies (with a focus on Brazilian restoration projects), this paper summarizes the state of the art, highlights the currently existing lacunae for research, and delivers examples of practical solutions that may inform UNESCO’s North–South–South dialogue to solve these urgent problems. Two elements appear to be specifically important for the success of restoration projects in the Global South, namely the broad acceptance and commitment of local populations beyond merely ‘ecological’ justifications, e.g., healthy living environments and ecosystems with cultural linkages (‘River Culture’). To make it possible implementable/practical solutions must be extended to (often poor) people having settled along river banks and wetlands.

ACS Style

Karl Wantzen; Carlos Alves; Sidia Badiane; Raita Bala; Martín Blettler; Marcos Callisto; Yixin Cao; Melanie Kolb; G. Kondolf; Marina Leite; Diego Macedo; Obaidullah Mahdi; Moana Neves; M. Peralta; Vincent Rotgé; Guillermo Rueda-Delgado; Andres Scharager; Anna Serra-Llobet; Jean-Louis Yengué; Aude Zingraff-Hamed. Urban Stream and Wetland Restoration in the Global South—A DPSIR Analysis. Sustainability 2019, 11, 4975 .

AMA Style

Karl Wantzen, Carlos Alves, Sidia Badiane, Raita Bala, Martín Blettler, Marcos Callisto, Yixin Cao, Melanie Kolb, G. Kondolf, Marina Leite, Diego Macedo, Obaidullah Mahdi, Moana Neves, M. Peralta, Vincent Rotgé, Guillermo Rueda-Delgado, Andres Scharager, Anna Serra-Llobet, Jean-Louis Yengué, Aude Zingraff-Hamed. Urban Stream and Wetland Restoration in the Global South—A DPSIR Analysis. Sustainability. 2019; 11 (18):4975.

Chicago/Turabian Style

Karl Wantzen; Carlos Alves; Sidia Badiane; Raita Bala; Martín Blettler; Marcos Callisto; Yixin Cao; Melanie Kolb; G. Kondolf; Marina Leite; Diego Macedo; Obaidullah Mahdi; Moana Neves; M. Peralta; Vincent Rotgé; Guillermo Rueda-Delgado; Andres Scharager; Anna Serra-Llobet; Jean-Louis Yengué; Aude Zingraff-Hamed. 2019. "Urban Stream and Wetland Restoration in the Global South—A DPSIR Analysis." Sustainability 11, no. 18: 4975.

Journal article
Published: 26 May 2018 in Sustainability
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Urban rivers are socioecological systems, and restored habitats may be attractive to both sensitive species and recreationists. Understanding the potential conflicts between ecological and recreational values is a critical issue for the development of a sustainable river-management plan. Habitat models are very promising tools for the ecological evaluation of river restoration projects that are already concluded, ongoing, or even to be planned. With our paper, we make a first attempt at integrating recreational user pressure into habitat modeling. The objective of this study was to analyze whether human impact is likely to hinder the re-establishment of a target species despite the successful restoration of physical habitat structures in the case of the restoration of the Isar River in Munich (Germany) and the target fish species Chondostroma nasus L. Our analysis combined high-resolution 2D hydrodynamic modeling with mapping of recreational pressure and used an expert-based procedure for modeling habitat suitability. The results are twofold: (1) the restored river contains suitable physical habitats for population conservation but has low suitability for recruitment; (2) densely used areas match highly suitable habitats for C. nasus. In the future, the integrated modeling procedure presented here may allow ecological refuge for sensitive target species to be included in the design of restoration and may help in the development of visitor-management plans to safeguard biodiversity and recreational ecosystem services.

ACS Style

Aude Zingraff-Hamed; Markus Noack; Sabine Greulich; Kordula Schwarzwälder; Karl Matthias Wantzen; Stephan Pauleit. Model-Based Evaluation of Urban River Restoration: Conflicts between Sensitive Fish Species and Recreational Users. Sustainability 2018, 10, 1747 .

AMA Style

Aude Zingraff-Hamed, Markus Noack, Sabine Greulich, Kordula Schwarzwälder, Karl Matthias Wantzen, Stephan Pauleit. Model-Based Evaluation of Urban River Restoration: Conflicts between Sensitive Fish Species and Recreational Users. Sustainability. 2018; 10 (6):1747.

Chicago/Turabian Style

Aude Zingraff-Hamed; Markus Noack; Sabine Greulich; Kordula Schwarzwälder; Karl Matthias Wantzen; Stephan Pauleit. 2018. "Model-Based Evaluation of Urban River Restoration: Conflicts between Sensitive Fish Species and Recreational Users." Sustainability 10, no. 6: 1747.

Journal article
Published: 24 March 2018 in Water
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The increase in minimum flows has rarely been considered to mitigate the ecological impact of hydroelectric power plants because it requires a site-specific design and expensive long-term monitoring procedure to identify the most beneficial scenario. This study presents a model-based method to estimate, within the model constraints, the most sustainable scenario of water resource sharing between nature and human needs. We studied physical habitat suitability of the Isar River in Munich (Germany) for three protected fish species: Thymallus thymallus L., Hucho hucho L., and Chondostroma nasus L. The analysis combined a high-resolution two-dimensional (2D) hydromorphological model with expert-based procedures using Computer Aided Simulation Model for Instream Flow Requirements (CASiMIR). We simulated a range of minimum discharges from 5 to 68.5 m³/s and four scenarios: (A) maximum use of the resource for humans; (B) slight increase in the minimum water flow; (C) medium increase in the minimum water flow; and, (D) without diversion for hydroelectric production. Under the current hydromorphological conditions, model outputs showed that different life stages of the fish species showed preferences for different scenarios, and that none of the four scenarios provided permanently suitable habitat conditions for the three species. We suggest that discharge management should be combined with hydromorphological restoration actions to re-establish parts of the modified channel slope and/or parts of the previously lost floodplain habitat in order to implement a solution that favors all species at the same time. The modeling procedure that is presented may be helpful to identify the discharge scenario that is most efficient for maintaining target fish species under realistic usage conditions.

ACS Style

Aude Zingraff-Hamed; Markus Noack; Sabine Greulich; Kordula Schwarzwälder; Stephan Pauleit; Karl M. Wantzen. Model-Based Evaluation of the Effects of River Discharge Modulations on Physical Fish Habitat Quality. Water 2018, 10, 374 .

AMA Style

Aude Zingraff-Hamed, Markus Noack, Sabine Greulich, Kordula Schwarzwälder, Stephan Pauleit, Karl M. Wantzen. Model-Based Evaluation of the Effects of River Discharge Modulations on Physical Fish Habitat Quality. Water. 2018; 10 (4):374.

Chicago/Turabian Style

Aude Zingraff-Hamed; Markus Noack; Sabine Greulich; Kordula Schwarzwälder; Stephan Pauleit; Karl M. Wantzen. 2018. "Model-Based Evaluation of the Effects of River Discharge Modulations on Physical Fish Habitat Quality." Water 10, no. 4: 374.

Journal article
Published: 31 May 2017 in Restoration Ecology
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River restoration (RR) is widely practiced in both rural and urban contexts by combining various goals and measures. The theoretical discourse on RR not yet adequately reflects this breadth of restoration practice. In this study, we investigated 110 French RR projects implemented between 1980 and 2015. We analyzed projects considering eight key design features, main project motivation, restoration goals, project dates, costs, size, funding, river annual discharge, and implemented evaluation procedures. The study (1) provides a detailed account of the French RR effort, (2) compares restoration efforts in urban and rural contexts, and (3) establishes a RR project typology. The results also show that urban RR comprises a wider range of goals and measures than its rural counterpart, includes restoration of riparian habitats, and integrates ecological and social goals. A hierarchical multiple factor analysis yielded five types of projects, Fish RR (14% of the urban and 53% of the rural projects), Blue RR (4%, 7%), Water Framework Directive RR (36%, 40%), Flood protection RR (14%, 0%), and Human RR (32%, 0%). We suggest that the restoration community needs databases that use a project typology as developed in this study. This approach would take into account the multiple facets of RR projects, enabling more transparency into their communication and allow more suitable project comparisons.

ACS Style

Aude Zingraff‐Hamed; Sabine Greulich; Stephan Pauleit; Karl M. Wantzen. Urban and rural river restoration in France: a typology. Restoration Ecology 2017, 25, 994 -1004.

AMA Style

Aude Zingraff‐Hamed, Sabine Greulich, Stephan Pauleit, Karl M. Wantzen. Urban and rural river restoration in France: a typology. Restoration Ecology. 2017; 25 (6):994-1004.

Chicago/Turabian Style

Aude Zingraff‐Hamed; Sabine Greulich; Stephan Pauleit; Karl M. Wantzen. 2017. "Urban and rural river restoration in France: a typology." Restoration Ecology 25, no. 6: 994-1004.

Journal article
Published: 10 March 2017 in Water
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The European water governance took a decisive turn with the formulation of the Water Framework Directive (WFD), which demands the restoration of all water bodies that did not achieve sufficient ecological status. Urban rivers are particularly impaired by human activities and their restorations are motivated by multiple ecological and societal drivers, such as requirements of laws and legislation, and citizen needs for a better quality of life. In this study we investigated the relative influence of socio-political and socio-cultural drivers on urban river restorations by comparing projects of different policy contexts and cultural norms to cross-fertilize knowledge. A database of 75 projects in French and German major cities was compiled to apply (a) a comparative statistical analysis of main project features, i.e., motivation, goals, measures, morphological status, and project date; and (b) a qualitative textual analysis on project descriptions and titles. The results showed that despite a powerful European directive, urban river restoration projects still keep national specificities. The WFD drives with more intensity German, rather than French, urban river restoration. This study showed the limits of macro-level governance and the influence of microlevel governance driven by societal aspects such as nature perception and relationships between humans and rivers.

ACS Style

Aude Zingraff-Hamed; Sabine Greulich; Karl Matthias Wantzen; Stephan Pauleit. Societal Drivers of European Water Governance: A Comparison of Urban River Restoration Practices in France and Germany. Water 2017, 9, 206 .

AMA Style

Aude Zingraff-Hamed, Sabine Greulich, Karl Matthias Wantzen, Stephan Pauleit. Societal Drivers of European Water Governance: A Comparison of Urban River Restoration Practices in France and Germany. Water. 2017; 9 (3):206.

Chicago/Turabian Style

Aude Zingraff-Hamed; Sabine Greulich; Karl Matthias Wantzen; Stephan Pauleit. 2017. "Societal Drivers of European Water Governance: A Comparison of Urban River Restoration Practices in France and Germany." Water 9, no. 3: 206.