Case study:Guash Habitat Restoration Project (Phase 1 and 2)

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Location: 52° 40' 56.62" N, 0° 29' 19.17" W

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Project overview

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Status	Complete
Project web site
Themes	Environmental flows and water resources, Fisheries, Habitat and biodiversity, Hydromorphology, Water quality
Country	England
Main contact forename	Joshua
Main contact surname	Robins
Main contact user ID	User:JoshRRC
Contact organisation	River Restoration Centre
Contact organisation web site
Partner organisations
Parent multi-site project
This is a parent project encompassing the following projects	No

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Project summary

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This project was undertaken by the Guash Fishing Club following a report from the Wild Trout Trust. The project has been split into two phases which concentrated on a stretch of the the River Guash between Tolethorpe and Ryhall Rutland. Issues with the stretch included slow velocities, partially blocked channels and a lack of light. The aims and objectives of the project were:

• To allow more light in.
• Remove fallen trees which were obstructing the flow.
• Improve the general flow of the water.
• Create a better environment for fish spawning.

To succeed in reaching these aims and objectives cheap but effective measures were used. The tree canopy was opened up to allow more light into the channel and large branches which were partially blocking the flow were removed. To improve the flow of the water, wooden faggots were created to narrow the channel and generate higher and slower flows for fish. As well as this, gravel and silts were deposited to allow natural forms to be created within the channel.

Following the implementations, the river seems more biologically active with greater fish populations. The flow of the channel is also greatly improved and the issues of slow velocities and silting-up of the channel are no longer present.

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Catchment and subcatchment Select a catchment/subcatchment 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 2012/05/01 Works started Works completed Project completed 2014/03/01 Total cost category Total cost (k€) 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 Flow velocities Biology Fish: Abundance, light availability Physico-chemical Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications Floodplain / River corridor allowing light in for other plant life to grow diversifying the habitat and supporting more animals such as dragonflies Planform / Channel pattern Channel narrowing, removal of channel blockages (fallen trees) 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