Case study:Sherborne Windrush Restoration Project

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Location: 51° 49' 52.00" N, 1° 44' 51.66" W

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Project overview

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Status	In progress
Project web site
Themes	Habitat and biodiversity, Social benefits, Water quality
Country	England
Main contact forename	Vaughan
Main contact surname	Lewis
Main contact user ID
Contact organisation	Cotswold Flyfishers
Contact organisation web site	http://www.cotswoldsriverstrust.org
Partner organisations	National Trust; Environment Agency; Defra; River Restoration Centre
Parent multi-site project
This is a parent project encompassing the following projects	No

River Windrush

Project summary

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The Sherborne Windrush Restoration Project is a partnership project that will use CRF funds to improve the River Windrush and the Sherborne Brook in the Sherborne area of Gloucestershire.

The river suffers from a degraded habitat aris-ing from insensitive dredging which has removed river bed gravels and built up banks causing a disconnect from the water meadows as well as suppressing in stream habitat varia-tion. There are also problems caused by dif-fuse agricultural pollution and areas of over sharing. These issues are preventing this stretch of water from meeting the required standards under the Water Framework Directive (WFD). This project will build on the work already completed by addressing the following issues: inadequate levels of fish spawning gravels; lack of in-stream habitat variation; pollution from agricultural run off; poaching of the banks by cattle; lack of hydrological connectivity with the flood plain; over shading by streamside vegetation.

Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

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Subcatchment:River Windrush

Site

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Name	River Windrush
WFD water body codes
WFD (national) typology
WFD water body name
Pre-project morphology
Reference morphology	Re-connection to the meadows
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

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Reach length directly affected (m)
Project started
Works started
Works completed
Project completed
Total cost category	100 - 500 k€
Total cost (k€)	109.636109.636 k€ <br />109,636 € <br />
Benefit to cost ratio
Funding sources

Cost for project phases

Reasons for river restoration

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Mitigation of a pressure
Hydromorphology	Continuity for organisms, Structure & condition of riparian/lake shore zones
Biology
Physico-chemical	Specific synthetic pollutants
Other reasons for the project	Recreation

Measures

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Structural measures
Bank/bed modifications
Floodplain / River corridor
Planform / Channel pattern
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Non-structural measures
Management interventions
Social measures (incl. engagement)
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