Case study:Darley Abbey Fish Pass Project

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Location: 52° 56' 38.71" N, 1° 28' 21.04" W

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Project overview

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Status	In progress
Project web site
Themes	Environmental flows and water resources, Fisheries, Habitat and biodiversity
Country	England
Main contact forename	Julie
Main contact surname	Wozniczka
Main contact user ID
Contact organisation
Contact organisation web site
Partner organisations	Trent Rivers Trust, Environment Agency
Parent multi-site project
This is a parent project encompassing the following projects	No

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Project summary

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The project aims to provide free upstream and downstream passage for all species of fish at Darley Abbey weir including eel. This will contribute significantly to the waterbody target of Achieving good ecological potential by 2027.

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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 Humber River basin Derbyshire Derwent Subcatchment River name River Derwent from Bottle Brook to R Trent Area category 1000 - 10000 km² Area (km2) Maximum altitude category 100 - 200 m Maximum altitude (m) 150150 m <br />0.15 km <br />15,000 cm <br /> Dominant geology Calcareous Ecoregion Great Britain Dominant land cover Arable and Horticulture Waterbody ID GB104028053240 Other case studies in this subcatchment: Borrowash fish pass Site Edit site Name Darley Abbey WFD water body codes GB104028053240 WFD (national) typology WFD water body name River Derwent from Bottle Brook to R Trent Pre-project morphology Reference morphology Desired post project morphology Heavily modified water body No National/international site designation International - World Heritage Site 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 Works completed Project completed 2015/03/01 Total cost category 100 - 500 k€ Total cost (k€) 450450 k€ <br />450,000 € <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 Hydromorphology Continuity for organisms Biology Fish Physico-chemical Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications Floodplain / River corridor Planform / Channel pattern Creation of fish pass 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 RRC Monitoring table - Darley Additional documents and videos Upload additional documents CRF Briefing note - Darley Additional links and references Edit links and references Link Description Supplementary Information Edit Supplementary Information