Case study:MisbourneRiverAction

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Location: 51° 38' 46.90" N, 0° 34' 36.38" W

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Project overview

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Status	In progress
Project web site
Themes	Environmental flows and water resources, Flood risk management, Habitat and biodiversity, Monitoring, Social benefits, Water quality
Country	England
Main contact forename	Bob
Main contact surname	Older
Main contact user ID
Contact organisation	local volunteer and community groups
Contact organisation web site	http://http://www.misbourneriveraction.org
Partner organisations	Chalfont St Peter & St Giles Parish Councils; Chiltern Society; Chiltern Conservation Board
Parent multi-site project
This is a parent project encompassing the following projects	No

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Project summary

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We are a friendly, very informal and sociable network with a common interest in improving the river environment, mainly working downstream of Amersham and through Chalfont St Giles and St Peter although very much involved in groundwater and invertebrates studies along the full length. Our goals are to see the river flowing freely, the channel cleared and maintained in an environmentally friendly way and the river corridor free of litter. We started our work in 2008 and made good steady progress all the way through to late summer 2011 when the many months of well below average rainfall caused an irresistible retreat of the river back above Chalfont St Giles. The last three years have been very successful with good flows for much of the time. We work closely with the Chiltern Conservation Board, the Parish Councils, Affinity Water and others to preserve and enhance the river environment in the longer term and with greater reliability of flow. We have undertaken numerous working parties to remove debris and undergrowth and generally ease and optimise the flow. We have secured interest and support for these aims through various publicity and involvement with, for instance, the Parish Councils, Chalfont St Peter Feast Day and Chalfont St Giles Fair. Rotary Club, The Scouts and schools. We don’t have meetings or “officers” but occasionally some of us gather for a chat - we call them " not-a-meetings" - in a pub. Regular, “organised” work parties happen on Sundays, sometimes Saturdays, every 5 weeks or so, while others prefer to meet up during the week or just to work on their own when the fancy takes them. Some people have volunteered to “adopt” a short stretch of river. We do have insurance, some tools, gloves, hi-vis, waders and use of a trailer. Our "membership" includes a delightful mix of people from ages 7 to 70(+). Working with us involves giving up an hour or several, frequently or occasionally, to get dirty, often wet, sometimes scratched (brambles) or stung (nettles). Our e-mail circular goes to over 200 homes representing 300 supporters but, typically, a work day will see around twenty. We don't "require" any commitment - some people come for an hour once a year; some work for hours at almost every opportunity, and some are happy to support us from the sidelines or do the occasional litter pick. Recent circular e-mails can be found under "From the Riverbank" on the website - www.misbourneriveraction.org - where they are archived along with lots of other river stuff .

Monitoring surveys and results

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See: http://www.misbourneriveraction.org/node/18 , http://www.misbourneriveraction.org/node/20 , etc

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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 Colne Subcatchment River name Misbourne Area category 10 - 100 km² Area (km2) Maximum altitude category 200 - 500 m Maximum altitude (m) 269269 m <br />0.269 km <br />26,900 cm <br /> Dominant geology Calcareous Ecoregion Great Britain Dominant land cover Arable and Horticulture Waterbody ID GB106039029830 Site Edit site Name WFD water body codes GB106039029830 WFD (national) typology WFD water body name Misbourne 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) Project started 2008/01/01 Works started Works completed Project completed Total cost category 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 Channel pattern/planform, Freshwater flow regime 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