Case study:Fairham Brook Restoration Project

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Location: 52° 52' 10.74" N, 1° 10' 9.04" W

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Project overview

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Status	Complete
Project web site
Themes	Environmental flows and water resources, Fisheries, Flood risk management, Habitat and biodiversity, Land use management - agriculture, Water quality
Country	England
Main contact forename	Rebecca
Main contact surname	Brunt
Main contact user ID	User:Jfreeborough
Contact organisation	Environment Agency
Contact organisation web site	http://https://www.gov.uk/government/organisations/environment-agency
Partner organisations	Nottinghamshire Wildlife Trust, Trent Valley Internal Drainage Board
Parent multi-site project
This is a parent project encompassing the following projects	No

Installation of coir rolls at Gotham

Project summary

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To improve the ecology of the Fairham Brook working with local landowners. Remove branches from trees and bushes that have the potential to snag debris during flood events and clear a central channel in areas where reed and reed mace fill the brook bed. Install pre-planted coir rolls to create pinch points and speed up water flows, allowing the riverbed to be scoured, uncovering gravels which are used by breeding fish. Install a hard cattle drink to reduce the amount of soil leaching into the brook. Install a rock ramp to allow fish passage over a weir, which itself created a wildlife friendly pool.

Historic deepening and straightening of the brook’s channel has led to low ecological value through the straightened section. A new management regime is in place in addition to this project to implement habitat enhancements.

Future plans aim to restore the fen habitat by installing a number of ditches and ponds to re-wet the reserve, this is being taken forward by Nottinghamshire Wildlife Trust.

Monitoring surveys and results

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The coir is positioned to narrow and meander the channel to alter the flows and to scour and clean gravels. Improvements have already been noted.

WFD and habitat improvements and new management of the brook.

Lessons learnt

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Further elements were planned to be completed as part of the project but the landowner pulled out due to timing issues and weather, which may have affected his livery business.

Image gallery

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Prior to the stakes being cut and wiring in the coir rolls.

This is the section of brook at Bunny prior to the installation of coir rolls.

during installation of the coir rolls

You can see from the photo above that restricting the channel width has quickened the flow to expose gravel.

After installation

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 Lower Trent and Erewash Subcatchment River name Fairham Brook Catchment (trib of Trent) Area category 10 - 100 km² Area (km2) Maximum altitude category 100 - 200 m Maximum altitude (m) 142142 m <br />0.142 km <br />14,200 cm <br /> Dominant geology Calcareous Ecoregion Great Britain Dominant land cover Arable and Horticulture Waterbody ID GB104028053150 Site Edit site Name WFD water body codes WFD (national) typology WFD water body name Pre-project morphology Reference morphology Desired post project morphology Heavily modified water body National/international site designation Local/regional site designations Protected species present Invasive species present 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 2012/04/02 Works started Works completed Project completed 2015/03/31 Total cost category 100 - 500 k€ Total cost (k€) 126126 k€ <br />126,000 € <br /> Benefit to cost ratio Funding sources Environment Agency 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 Hydromorphology Biology Physico-chemical Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications Floodplain / River corridor Planform / Channel pattern 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 Additional documents and videos Upload additional documents Additional links and references Edit links and references Link Description Supplementary Information Edit Supplementary Information