Table of Contents

1          Introduction Nature-based solutions for urban water management: challenges and opportunities in the context of Asia

Nevelina Pachova, Perlie P. Velasco, Antonina Torrens Armengol, and Veeriah Jegatheesan

2          Types of Nature-based Solutions for water, their functions and suitability

Raúl Sánchez, Esther San José, José Fermoso, Silvia Gómez, and María González

2.1 Introduction

2.2 Identification of  Water Urban Challenges (Water UC) and existing NbS to address them

2.3 Overview of Water NbS

2.3.1 Impact scenarios of water NbS in relation to ecosystem services provided

2.3.2 Establishment of NbS Categories

            2.4 Water NbS case studies

2.4.1 Floating gardens case study

2.4.2 Urban Catchment forestry case study

            2.5 Conclusions

2.6 Acknowledgments

2.7 References

3          Constructed floating wetlands for the treatment of surface waters and industrial wastewaters

Jennifer Ayres, John Awad, Christopher Walker, Declan Page, John van Leeuwen, and Simon Beecham

3.1 Introduction

3.2 Overview of Constructed Floating Wetlands

3.2.1 Design Attributes

3.2.2 Structural Design and Buoyancy

3.2.3 Plant Selection

3.2.4 Plant Anchoring and Harvesting

            3.3 Treatment Overview

                        3.3.1 Nutrient Removal

                        3.3.2 Heavy Metals Removal

                        3.3.3 Removal of Organic Compounds

                        3.3.4 Effect of Hydrodynamics on Pollutant Removal

                        3.3.5 Improving the Design of CFW Installations

            3.4 Other Benefits

            3.5 Validation and Operational Monitoring

                        3.5.1 Treatment Validation and Use of Surrogate Parameters

                        3.5.2 Recommendations for Future Research

            3.6 Conclusion

            3.7 Acknowledgements

            3.8 References

4          Nature based solutions for water management in England: contribution to biodiversity net-gain in urban areas

Doug Warner

4.1 Introduction

            4.1.1 Nature Based Water Management Solutions

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