Case study:The South Hams River Improvement Project (SHRImP)

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Location: 50° 24' 2.30" N, 3° 37' 51.53" W

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Project overview

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Status	Complete
Project web site
Themes	Fisheries, Flood risk management, Habitat and biodiversity, Social benefits, Water quality
Country	England
Main contact forename	Scott
Main contact surname	West
Main contact user ID
Contact organisation	Westcountry Rivers Trust
Contact organisation web site	http://www.wrt.org.uk/
Partner organisations	South Devon AONB, Environment Agency, South West Water, Yealm fishing association, Slapton Ley Field Studies Centre, Salcombe & Kingsbridge Estuary, Aune Conservation Association, Forestry Commission
This is a parent project encompassing the following projects	The South Hams River Improvement Project (SHRImP)

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Project summary

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SHRImP is a partnership project that will use Catchment Restoration Funds to manage restoration work to deliver habitat improvements on the South Hams Rivers. The partnership, led by the Westcountry Rivers Trust, has been carrying out river restoration and undertaking works to address the causes of Water Framework Directive issues for many years. Through restoration work the project will address issues including:sediment which has a direct adverse effect on water quality; barriers to fish migration, preventing fish from reaching their natural spawning grounds; fertiliser run-off into rivers which can cause nutrient enrichment and have a negative impact on river ecology; acidified moorland that creats low pH levels that are detrimental to the river’s ecological health;interrupted conveyance of river gravels, reducing spawning habitats for salmonids.

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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 River Dart Subcatchment River name DART Area category Area (km2) Maximum altitude category Maximum altitude (m) Dominant geology Ecoregion Great Britain Dominant land cover Waterbody ID GB510804605900 Other case studies in this subcatchment: The Dart and Teign River Improvement Project (DTRIP) Site Edit site Name South Hams River WFD water body codes GB510804605900 WFD (national) typology WFD water body name DART Pre-project morphology Reference morphology Desired post project morphology Heavily modified water body No National/international site designation UK - Site of Special Scientific Interest 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 2012/07/01 Works started 2012/08/01 Works completed 2014/03/01 Project completed 2015/03/31 Total cost category 500 - 1000 k€ Total cost (k€) 900900 k€ <br />900,000 € <br /> Benefit to cost ratio Funding sources Defra Catchment Restoration Fund 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, Nutrient management, Soil 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 Gravel augmentation Floodplain / River corridor Fencing, Alternative drinkers, Nutrient management, Cut back of trees Planform / Channel pattern Improvement of channel morphology Other Creation of fish passes, Avon dam fisheries water releases, Fish tracking, Fish biomanipulation, Nutrient modelling, Fish surveys, Heavy metal investigations Non-structural measures Management interventions Farm advice and plans Social measures (incl. engagement) Valuing social benefits of works, Community Education Other Community engagement 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 - South Hams River Additional documents and videos Upload additional documents CRF Project briefing note - South Hams River Additional links and references Edit links and references Link Description Supplementary Information Edit Supplementary Information