Case study:River Glaven conservation group

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Location: 52° 54' 6.53" N, 1° 3' 39.83" E

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Project overview

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Status	Complete
Project web site
Themes	Economic aspects, Fisheries, Monitoring, Spatial planning
Country	England
Main contact forename	Ian
Main contact surname	Shepherd
Main contact user ID
Contact organisation	The River Glaven Conservation Group
Contact organisation web site	http://www.riverglaven.co.uk/
Partner organisations	Wild Trout Trust
Parent multi-site project
This is a parent project encompassing the following projects	No

River narrowing using locally coppiced hazel trees

Project summary

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The objectives of the project were to improve the in-river habitat upstream from Letheringsett Ford, to re-connect the river and floodplain and to develop an experience base which would serve the River Glaven Conservation Group (RGCG) well on other projects.

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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 Anglian River basin North Norfolk Subcatchment River name Glaven Area category 10 - 100 km² Area (km2) Maximum altitude category 100 - 200 m Maximum altitude (m) 103103 m <br />0.103 km <br />10,300 cm <br /> Dominant geology Calcareous Ecoregion Great Britain Dominant land cover Arable and Horticulture Waterbody ID GB105034055780 Other case studies in this subcatchment: Nine Chalk Rivers Project - Glaven Catchment, River Restoration at Hunworth (River Glaven) Site Edit site Name Glaven WFD water body codes GB105034055780 WFD (national) typology WFD water body name Glaven Pre-project morphology Single channel, High width:depth Reference morphology Single channel, Sinuous, Pool-riffle 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 Quick run-off Dominant substrate Gravel, Bedrock, Cobble River corridor land use Extensive agriculture, Woodland, Grassland Average bankfull channel width category 10 - 50 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 Edit project background Reach length directly affected (m) 400 m0.4 km <br />40,000 cm <br /> Project started 2003/01/01 Works started 2006/01/01 Works completed 2006/01/01 Project completed Total cost category 1 - 10 k€ Total cost (k€) 8 k€8,000 € <br /> Benefit to cost ratio Funding sources Wild Trout Trust, Environment Agency Cost for project phases Phase cost category cost exact (k€) Lead organisation Contact forename Contact surname Investigation and design Environment Agency Stakeholder engagement and communication Environment Agency Works and works supervision Environment Agency Post-project management and maintenance Environment Agency Monitoring Environment Agency Supplementary funding information Funding also provided by the Cinderella Chalk Rivers Project Reasons for river restoration Edit reasons for restoration Mitigation of a pressure Hydromorphology Channel pattern/planform, Continuity of sediment transport Biology Fish: Abundance Physico-chemical Other reasons for the project Landscape enhancement, Fisheries Measures Edit Measures Structural measures Bank/bed modifications Re-profiling, Gravel placement, Placement of LWD Floodplain / River corridor Re-connection with wider floodplain Planform / Channel pattern Channel narrowing, Creation of braided channel 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 Fish: Abundance Yes Yes Awaiting results 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://therrc.co.uk/case studies/cinderella%20chalk%20rivers.pdf Cinderella Chalk Rivers overview http://therrc.co.uk/case studies/rgcg%20report.pdf RGCG in-river habitat improvement 2006 Report http://therrc.co.uk/case studies/wtt%20award%20winner.pdf The Glaven Project wins the annual Wild Trout Trust and Orvis Conservation Awards 2007 Professional Category http://therrc.co.uk/case studies/glaven%20restoration%20project.pdf The River Restoration Centre Case Study Series - Summary of River Glaven Restoration Project Supplementary Information Edit Supplementary Information The project was named as the winner of the Professional Category at the 2007 Wild Trout Trust and Orvis Conservation Awards, reinforcing it's position as a good example of a successful river restoration project.