Case study:Source to Sea Programme – 11. River Rawthey

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Location: 54° 20' 3.14" N, 2° 29' 22.19" W
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Project overview

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Status In progress
Project web site
Themes Economic aspects, Habitat and biodiversity, Land use management - agriculture, Land use management - forestry, Water quality
Country England
Main contact forename Sarah
Main contact surname Littlefield
Main contact user ID
Contact organisation Lune Rivers Trust
Contact organisation web site http://www.riverconservation.org.uk/
Partner organisations RSPB, Lune Rivers Trust, Cumbria Wildlife Trust, Cumbria Woodlands, South Cumbria Rivers Trust, Arnside & Silverdale AONB Partnership, Morecambe Bay Partnership
Parent multi-site project

Case_study:Source to Sea Programme

This is a parent project
encompassing the following
projects
No
River Rawthey

Project summary

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This project will reduce diffuse water pollution, erosion, over-grazing and siltation, and improve water quality and habitat. The River Rawthey is currently in moderate condition due to diffuse pollution.

We will work with farmers and landowners to create buffer strips by fencing in river banks, excluding stock and allowing the natural regeneration of habitat, and planting trees. We will also carry out banking revetment repair work to minimise erosion and sedimentation. 2000 metres of buffer strips will be established and they will be up to 10 metres wide on demonstration sites. Current water body status is moderate and we anticipate that we will move areas into good condition.

Monitoring surveys and results

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Lessons learnt

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Image gallery


River Rawthey: new fencing of the riparian zone
River Rawthey: fencing of the riparian zone
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Catchment and subcatchment

Catchment

River basin district North West
River basin Lune

Subcatchment

River name Rawthey - Lower
Area category 100 - 1000 km²
Area (km2)
Maximum altitude category 500 - 1000 m
Maximum altitude (m) 604604 m <br />0.604 km <br />60,400 cm <br />
Dominant geology Calcareous
Ecoregion Great Britain
Dominant land cover Improved grassland
Waterbody ID GB112072071710



Site

Name River Rawthey
WFD water body codes GB2072071710, GB2072071830
WFD (national) typology
WFD water body name River Rawthey
Pre-project morphology
Reference morphology
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
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

Reach length directly affected (m)
Project started 2012/08/01
Works started 2012/10/01
Works completed 2014/03/28
Project completed 2015/03/31
Total cost category
Total cost (k€) 3434 k€ <br />34,000 € <br />
Benefit to cost ratio
Funding sources

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

Mitigation of a pressure Diffuse water pollution
Hydromorphology Quantity & dynamics of flow, Width & depth variation
Biology
Physico-chemical
Other reasons for the project


Measures

Structural measures
Bank/bed modifications Soft erosion solutions, Habitat restoration
Floodplain / River corridor Tree planting, Fencing, Buffer strips
Planform / Channel pattern
Other
Non-structural measures
Management interventions Reduce diffuse water pollution and over-grazing
Social measures (incl. engagement)
Other


Monitoring

Hydromorphological quality elements

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative

Biological quality elements

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative

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

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative


Monitoring documents




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Additional links and references

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Supplementary Information

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