Case study:The Taw River Improvement Project (TRIP)

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Location: 51° 4' 37.97" N, 4° 9' 59.63" W

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Project overview

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Status	In progress
Project web site
Themes	Fisheries, Flood risk management, Habitat and biodiversity, Land use management - agriculture, Water quality
Country	England
Main contact forename	Laurence
Main contact surname	Couldrick
Main contact user ID
Contact organisation	North Devon Biosphere Reserve, Westcountry Rivers Trust
Contact organisation web site	http://www.wrt.org.uk/
Partner organisations	Farming and Wildlife Group South West, Devon Wildlife Trust, Silvanus
This is a parent project encompassing the following projects

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Project summary

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TRIP is a partnership project that will use CRF funds to manage restoration work to deliver habitat improvements in the Taw catchment. The partnership, led by the Westcountry Rivers Trust, has been carrying out river restoration and addressing the causes of Water Framework Directive issues together for many years.

The outcomes of the project are the following:

• Water quality management – More con-sistent supply of better water quality;
• Improved biodiversity - increased hab-itat biodiversity and renaturalisation;
• Social - Improved leisure environment for angling and recreation;
• Economic - Improved fisheries and spawning for commercial stocks;
• Flood attenuation and management - Increased wetted and wooded areas; Counteract climate change - Carbon sequestration through wetland sinks.

Monitoring surveys and results

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Image gallery

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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 South West River basin North Devon Subcatchment River name TAW / TORRIDGE Area category Area (km2) Maximum altitude category Maximum altitude (m) Dominant geology Ecoregion Great Britain Dominant land cover Waterbody ID GB540805015500 Site Edit site Name Taw river catchment WFD water body codes GB540805015500 WFD (national) typology WFD water body name TAW / TORRIDGE 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 Intensive agriculture (arable) 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 2012/07/01 Works started Works completed Project completed 2015/03/31 Total cost category 1000 - 5000 k€ Total cost (k€) 23322,332 k€ <br />2,332,000 € <br /> Benefit to cost ratio Funding sources Catchment Restoration Funds 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 Barriers to fish migration, Flood risk management Hydromorphology Continuity for organisms, Structure & condition of riparian zones Biology Fish Physico-chemical Nutrient concentrations Other reasons for the project Economic, Social, Climate change mitigation Measures Edit Measures Structural measures Bank/bed modifications Marginal planting, Gravel augmentation Floodplain / River corridor Creation of a flood expansion area Planform / Channel pattern Other Non-structural measures Management interventions Social measures (incl. engagement) Improved leisure environment for angling and recreation Other Participation in works 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 RRC Monitoring table - Taw River Additional documents and videos Upload additional documents project brief Additional links and references Edit links and references Link Description Supplementary Information Edit Supplementary Information