Case study:Mayesbrook Climate Change Park restoration project

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Location: 51° 32' 59.97" N, 0° 6' 25.93" E
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Project overview

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Status Complete
Project web site
Themes Economic aspects, Flood risk management, Habitat and biodiversity, Hydromorphology, Monitoring, Social benefits, Water quality
Country England
Main contact forename Nick
Main contact surname Elbourne
Main contact user ID User:NickRRC
Contact organisation River Restoration Centre
Contact organisation web site http://www.therrc.co.uk
Partner organisations Thames Rivers Trust, London Borough of Barking and Dagenham, Environment Agency, Queen Mary University of London, Natural England, Design for London, Greater London Authority, London Wildlife Trust, RSA (Insurance), SITA Trust, Mayesbrook Park Friends group
Parent multi-site project
This is a parent project
encompassing the following
projects
No
Mayesbrook Park river restoration, middle reach restored. July 2012. Photo courtesy of LBBD.

Project summary

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Introduction
The river restoration project is part of the UK’s first ‘Climate Change Park’ at Mayesbrook in Barking, east London. The project aimed to transform a rundown 45 hectare park into a showcase of how public greenspace can help a community to cope with the risks from climate change; such as increased flooding and higher summer temperatures. The Mayesbrook Climate Change Park was delivered by an innovative partnership of public, private and voluntary organisations. By combining staff, funding and technical resources the partners were able to deliver a project that no one partner could have done alone. Funding received a major boost in 2009 when RSA donated £300,000 to the project through Thames Rivers Trust as a research contribution into natural flood management and reducing flood risk through a low carbon approach. The RSA donation also helped lever in a further £400,000 of funding from the Mayor of London’s ‘Help a London Park’ campaign.

At the launch of the works in March 2011, Richard Benyon the Minister for the Natural Environment at DEFRA said: “The Mayesbrook Climate Change Park is a shining example of the public and private sectors working in partnership. This project will be a great boost for the local communities and the environment. By bringing the Mayes Brook back into the park, planting trees and creating a wetland, this park will provide not only a great space for local people, but also the perfect habitat for wildlife. I look forward to coming back and seeing the progress of this fantastic project in the years to come.” In his speech the Minister also said that the project was showing “how to achieve more for less, which is important in today’s economic climate” and that the project was “good value for money by anybody’s standards”.

What did the project involve?
The first phase of the works has resulted in a significantly improved park in a borough which is one of the twenty most deprived in the UK. The Mayes Brook which formerly lay in a concrete channel has been brought out into the park along its 1.6 km length. This has improved its wildlife and recreational value. A new one-hectare floodplain has been excavated along the restored brook to naturally and safely store the increased floodwater expected in the area in future. In addition, separate Thames Water work to remedy misconnected drains has dramatically improved the quality of the water in the brook. New trees now cover the equivalent of three football pitches, to give shade, help cool the area and provide a home for more wildlife. New footpaths, entrance ways and signage allow the public to better use the park.

Next steps
Phase 2 of the project will be led by Barking and Dagenham Council and will run from 2012 to 2014 and onwards. It is planned to include a café surrounded by a climate change garden of drought resistant plants. A display in cafe will explain how all of the improvements to the park help adaptation to climate change. The display will also help people change their own lives to better cope with climate change impacts. Two polluted lakes in the park will be cleaned up, to better cool the area and to increase wildlife. One lake will have boating restored, with angling reintroduced on the other.

Howard Davidson, Director of the Environment Agency South East, said: “Mayesbrook is already providing valuable lessons about how to plan for climate change, how to do it in partnership and how to spread the cost to make it affordable.”

Monitoring surveys and results

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Lessons learnt

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Image gallery


Jubilee planting event, March 2012
Safer Parks Silver Award 2012
Visualising the project at a public consultation event, 2009
Public consultation event, 2009
ShowHideAdditionalImage.png


Catchment and subcatchment

Subcatchment:Roding


Site

Name Mayesbrook Park
WFD water body codes GB106037028170
WFD (national) typology Low, Small, Calcareous
WFD water body name Seven Kings Water
Pre-project morphology Straightened, Over deepened, Artificial channel
Reference morphology Run-glide, Low gradient passively meandering
Desired post project morphology
Heavily modified water body Yes
National/international site designation
Local/regional site designations
Protected species present No
Invasive species present No
Species of interest
Dominant hydrology Flashy
Dominant substrate Bedrock, Gravel, Silt
River corridor land use Parklands garden
Average bankfull channel width category 2 - 5 m
Average bankfull channel width (m)
Average bankfull channel depth category 0.5 - 2 m
Average bankfull channel depth (m)
Mean discharge category
Mean annual discharge (m3/s)
Average channel gradient category
Average channel gradient
Average unit stream power (W/m2)


Project background

Reach length directly affected (m) 16001,600 m <br />1.6 km <br />160,000 cm <br />
Project started 2008/01/01
Works started 2011/03/01
Works completed 2012/10/31
Project completed 2011/10/31
Total cost category 1000 - 5000 k€
Total cost (k€) 38003,800 k€ <br />3,800,000 € <br />
Benefit to cost ratio
Funding sources London Borough of Barking and Dagenham, Environment Agency, Thames Rivers Trust, RSA (insurance), Natural England, Greater London Authority, SITA Trust, London Wildlife Trust, DEFRA

Cost for project phases

Phase cost category cost exact (k€) Lead organisation Contact forename Contact surname
Investigation and design
Stakeholder engagement and communication 1 - 10 k€ London Borough of Barking and Dagenham Ruth Taylor
Works and works supervision 1000 - 5000 k€ London Borough of Barking and Dagenham Alex Farris
Post-project management and maintenance 10 - 50 k€ London Borough of Barking and Dagenham Matt Wilson
Monitoring 10 - 50 k€ River Restoration Centre Nick Elbourne



Reasons for river restoration

Mitigation of a pressure Flood risk management, Biodiversity and Habitats
Hydromorphology Channel pattern/planform, Reconnecting floodplain, Quantity & dynamics of flow, Substrate conditions
Biology Fish, Invertebrates, Macrophytes and/or phytobenthos: Average abundance, Birds, Bats
Physico-chemical Water quality
Other reasons for the project Social benefits, Climate change adaptation, Community demand, Landscape enhancement, Recreation


Measures

Structural measures
Bank/bed modifications Recovering connectivity longitudinal and transversal, Recovery of channel morphology, Adding sinuosity, Bank re-grading, Creation of pools and riffles
Floodplain / River corridor Floodplain reconnection, Recovery riparian vegetation, Reconnect and restore historic aquatic habitats, Sustainable urban drainage ponds (SUDs), Excavating floodplain scrapes
Planform / Channel pattern Improvement of channel morphology, Creation of backwater, Reconstruction of a meandering stretch, Reedbed creation to filter outfall water quality
Other
Non-structural measures
Management interventions Fencing, Monitoring strategy
Social measures (incl. engagement) Awareness campaigns, Improved public access
Other Public consultation


Monitoring

Hydromorphological quality elements

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative
Channel pattern/planform Yes Yes Yes Yes Yes Improvement
Width & depth variation Yes Yes Yes Yes Yes Improvement
Quantity & dynamics of flow Yes Yes Yes No No Improvement

Biological quality elements

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative
Fish Yes No No Yes Yes
Invertebrates Yes Yes No Yes Yes Improvement
Macrophytes Yes Yes Yes No Yes Inconclusive

Physico-chemical quality elements

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative

Any other monitoring, e.g. social, economic

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative
Bat Survey Yes Yes No Yes No Improvement
Birds, butterflies and dragonflies Yes Yes No Yes No Improvement
Habitat mapping Yes Yes Yes No No Improvement
Public use Yes Yes Yes Yes No Improvement
River Corridor Survey Yes Yes Yes Yes No Awaiting results
Landscape enhancement Yes Yes Yes No No Improvement


Monitoring documents



Additional documents and videos



Additional links and references

Link Description
http://www.theriverstrust.org/projects/water/Mayes%20brook%20restoration.pdf The Mayes Brook restoration in Mayesbrook Park, East London: an ecosystem services assessment
http://cdn.environment-agency.gov.uk/scho0610bsow-e-e.pdf Environment Agency press release - "The additional benefits of river restoration"
http://publications.naturalengland.org.uk/file/12352252 Mayesbrook Park - Green Infrastructure Case Study: Creating the UK’s first climate change park in east London

Supplementary Information

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