Case study:Barnes Common

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Location: 51° 28' 18.69" N, 0° 14' 35.54" W

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Project overview

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Status	Complete
Project web site
Themes	Flood risk management, Habitat and biodiversity, Social benefits
Country	England
Main contact forename	Mike
Main contact surname	Hildesley
Main contact user ID
Contact organisation	Friends of Barnes Common
Contact organisation web site	http://www.barnescommon.org.uk/
Partner organisations	London Borough of Richmond upon Thames
Parent multi-site project
This is a parent project encompassing the following projects	No

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Project summary

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Friends of Barnes Common in partnership with LBRuT have created a new reedbed on the Beverley Brook 400m2 (20 x20) adjoining to the Beverley Brook. Wider aim of the project is to link up the reed beds in Richmond Park and the Wetland Centre. Create a new habitat for Barnes Common. Structural tree line/invertebrate productivity for foraging bats, plus bat roost potential; backwater; scalloped bays for marginal plants.

Best practice management plan for commuting, foraging and roosting bats; watervoles, fisheries benefits and flood defence benefits; improvement of bankside for marginal plants and/or fringing reeds, strengthening wild life corridor along brook for birds, water voles, grass snakes, bats etc; enhance bankside marginal vegetation and provide suitable habitat for birds, invertebrates, plus potential for dispersal for the BAP species from London wetland centre e.g. water vole, grass snake; readily accessible to the public; forage area for bats.

Monitoring surveys and results

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Lessons learnt

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London Borough of Richmond with Friends of Barnes Common has created a 400 sq m reed-bed with ditch links to Beverley Brook. More marginal plants will be added this Autumn with further fine tuning if needed. The construction work started in February 2010 and took two weeks. Planting commenced in April 2010 and has continued through to August 2010: the early reed and yellow flag planting has been very successful, and with these (sourced from the local Kew pond) came limited quantities of Sweet Galingale sedge, greater willowherb etc to which we have thus far added marsh marigold, meadowsweet, purple loosestrife, hemp agrimony and ragged robin. The plan has always been that this site should be 'reed-fen' which is flooded in winter and dries out but stays moist in summer - and it appears that we have broadly achieved this aim, with the site dry at times and ponding when there is heavy rainfall, which is helping to maintain the new plantings, but which would drain out if we opened the sluices: equally the brook depth in winter, with sluices open, should allow a period of consistent flooding for weed control and to allow a backwater haven.

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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: Anton Crescent Wetlands Regeneration, Ashlone Wharf FCRM scheme, Barn Elms Sports Ground, Barn Elms Wetland Centre, South West London, 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 WFD water body codes GB106039022850 WFD (national) typology WFD water body name Beverley Brook (Motspur Park to Thames) and Pyl Brook at West Barnes Pre-project morphology Reference morphology Desired post project morphology Heavily modified water body No National/international site designation Local/regional site designations Protected species present No Invasive species present No Species of interest Dominant hydrology Dominant substrate River corridor land use 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) 20 m0.02 km <br />2,000 cm <br /> Project started Works started 2010/02/01 Works completed 2010/03/31 Project completed Total cost category 10 - 50 k€ Total cost (k€) 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 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 Supplementary Information Edit Supplementary Information