Case study:Anton Crescent Wetlands Regeneration

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Location: 51° 22' 23.01" N, 0° 12' 8.64" W

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Project overview

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Status	Complete
Project web site
Themes	Habitat and biodiversity, Social benefits, Urban
Country	England
Main contact forename	Heather
Main contact surname	Lewis
Main contact user ID
Contact organisation	Environment Agency
Contact organisation web site
Partner organisations	Sutton Ecology Centre; London Borough of Sutton; Natural England
Parent multi-site project
This is a parent project encompassing the following projects	No

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Project summary

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Although initially designed as a flood storage area to aid sustainable drainage systems, this area of land provides rare wetland habitat within an urban London setting. The wetland includes areas of reedbed which is scarce and under threat within the UK, and listed as a priority habitat within the UK’s Biodiversity Action Plan. The land had previously been used for educational purposes by the adjacent school, but on-site management has declined resulting in a lack of school usage and reduced habitat value. Key habitats that would benefit from restoration include:

• Willow carr;
• Reed bed;
• Open water / marginal communities.

The project has provided much needed management to the site to restore the wetland habitats and again provide a safe educational resource for local schools. The project has developed an ongoing site management plan to ensure the achieved improvements are maintained.

The key partner in this project, the London Borough of Sutton, are to propose the site for designation as a Local Nature Reserve. Project objectives: Improve the habitat and community value of Anton Crescent Wetland; To produce a long term management plan for site; To present site for designation as Local Nature Reserve under the National Parks and Access to the Countryside Act 1949.

Key activites: Manage reedbed and maintain are of open water; Manage willow trees for wildlife and maintain flood storage capacity; Improve structure and biodiversity of meadow; Increase public awareness and enjoyment of site, generating local interest and provide educational resource.

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Catchment and subcatchment Select a catchment/subcatchment Edit the catchment and subcatchment details (affects all case studies in this subcatchment) Catchment River basin district Thames River basin London Subcatchment River name Beverley Brook (Motspur Park to Thames) and Pyl Brook at West Barnes Area category 1000 - 10000 km² Area (km2) Maximum altitude category 100 - 200 m Maximum altitude (m) 172172 m <br />0.172 km <br />17,200 cm <br /> Dominant geology Calcareous Ecoregion Great Britain Dominant land cover Suburban Waterbody ID GB106039022850 Other case studies in this subcatchment: Ashlone Wharf FCRM scheme, Barn Elms Sports Ground, Barn Elms Wetland Centre, South West London, Barnes Common, Barnes Common improvements, Beverley Brook Flow control structures, Beverley Brook d/s of Rock’s Lane, Beverley Park, Cuddington Park, Horne Way Weir... further results Site Edit site Name Anton Crescent Wetlands WFD water body codes GB106039022850 WFD (national) typology Calcareous WFD water body name Pyl Brook Pre-project morphology Reference morphology Desired post project morphology Heavily modified water body Yes National/international site designation Local/regional site designations Protected species present No Invasive species present Yes Species of interest Dominant hydrology Dominant substrate River corridor land use Urban Average bankfull channel width category Average bankfull channel width (m) Average bankfull channel depth category 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 Edit project background Reach length directly affected (m) Project started Works started Works completed Project completed Total cost category 10 - 50 k€ Total cost (k€) 1212 k€ <br />12,000 € <br /> Benefit to cost ratio Funding sources Cost for project phases Phase cost category cost exact (k€) Lead organisation Contact forename Contact surname Investigation and design Stakeholder engagement and communication Works and works supervision Post-project management and maintenance Monitoring Supplementary funding information This funding was matched by the London Borough of Sutton, through the provision of in-kind labour. London Borough of Sutton provided on-site project management and undertook all works required to implement the restoration work. Reasons for river restoration Edit reasons for restoration Mitigation of a pressure Hydromorphology Biology Physico-chemical Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications Floodplain / River corridor Planform / Channel pattern Other Non-structural measures Management interventions Social measures (incl. engagement) Other Monitoring Hydromorphological quality elements Edit Hydromorphological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Biological quality elements Edit biological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Physico-chemical quality elements Edit 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 Edit Other responses Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Monitoring documents Upload monitoring documents Additional documents and videos Upload additional documents Additional links and references Edit links and references Link Description http://www.sutton.gov.uk/index.aspx?articleid=1820 London Borough of Sutton - Anton Crescent Wetland local nature reserve http://http://www.lnr.naturalengland.org.uk/Special/lnr/lnr details.asp?ID=1599 Natural England - Anton Crescent Wetland local nature reserve Supplementary Information Edit Supplementary Information