Case study:River Lyvennet River Restoration Project at Maulds Meaburn, Penrith, Cumbria

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Location: 54° 33' 30", -2° 35' 12"
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Project overview

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Status Complete
Project web site http://www.edenriverstrust.org.uk/restoring-river-lyvennet-its-former-natural-glory
Themes Fisheries, Habitat and biodiversity, Land use management - agriculture, Land use management - forestry, Monitoring, Social benefits, Water quality
Country England
Main contact forename Joanne
Main contact surname Backshall
Main contact user ID User:JoanneBackshall
Contact organisation Eden Rivers Trust
Contact organisation web site http://www.edenriverstrust.org.uk
Partner organisations Environment Agency, Natural England, landowner and tenant farmers
Parent multi-site project

Case_study:Cumbria River Restoration Strategy

This is a parent project
encompassing the following
projects
No
Remeandered River Lyvennet, Maulds Meaburn, Penrith, Cumbria

Project summary

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The River Eden River Restoration Strategy (RERRS) is a partnership project involving Eden Rivers Trust, the Environment Agency and Natural England, working with land owners and farmers. It aims to return rivers in the Eden catchment to a more natural state for the benefit of wildlife and people. It was developed as a remedy for the unfavourable condition of large parts of the River Eden and Tributaries Site of Special Scientific Interest.

On the River Lyvennet and Howe Beck at Barnskew and Meaburn Hall, Maulds Meaburn the rivers were restored to their original winding channels with approximately 1500 m of straightened river now meandering through nearly 1900 m. The project was undertaken in 2014 and an estimated 11,000 cubic metres of soil weighing approximately 15,000 metric tonnes was excavated. Very soon after the Lyvennet was diverted into its new channel, salmon were seen spawning in the river where they had not been seen spawning before. The site is a demonstrations of river restoration techniques and the many benefits this approach can bring to wildlife and people.

Monitoring surveys and results

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- Pre-restoration aerial and ground survey undertaken - to be repeated summer 2015. - Fixed point photographs. - Further geomorphological surveys also on-going.

Lessons learnt

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The River Restoration Centre conducted an evaluation of this and other Cumbria River Restoration Strategy projects during 2015 and the report of their findings is available on the RRC website.


Image gallery


Re-meandered River Lyvennet at Maulds Meaburn, Penrith, Cumbria
Re-meandered Howe Beck at Maulds Meaburn, Penrith, Cumbria
Re-meandered River Lyvennet at Maulds Meaburn, Penrith, Cumbria
Re-meandered Howe Beck at Maulds Meaburn, Penrith, Cumbria
Re-meandered Howe Beck at Maulds Meaburn, Penrith, Cumbria
Re-meandered Howe Beck at Maulds Meaburn, Penrith, Cumbria
Re-meandered River Lyvennet at Maulds Meaburn, Penrith, Cumbria
Re-meandered River Lyvennet at Maulds Meaburn, Penrith, Cumbria
Re-meandered River Lyvennet at Maulds Meaburn, Penrith, Cumbria
Aerial view of remeandered River Lyvennet
Aerial view of remeandered River Lyvennet
Aerial view of remeandered River Lyvennet
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Catchment and subcatchment

Catchment

River basin district Solway Tweed
River basin Eden and Esk

Subcatchment

River name River Lyvennet
Area category 10 - 100 km²
Area (km2)
Maximum altitude category 200 - 500 m
Maximum altitude (m) 392
392 m
0.392 km
39,200 cm
Dominant geology Calcareous
Ecoregion Great Britain
Dominant land cover Improved grassland
Waterbody ID GB102076070840



Site

Name Maulds Meaburn
WFD water body codes GB102076070840
WFD (national) typology Calcareous
WFD water body name River Lyvennet
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) 1500
1,500 m
1.5 km
150,000 cm
Project started 2014/03/03
Works started
Works completed 2015/11/02
Project completed
Total cost category
Total cost (k€)
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
Hydromorphology Channel pattern/planform
Biology
Physico-chemical
Other reasons for the project


Measures

Structural measures
Bank/bed modifications
Floodplain / River corridor Remeandering, River naturalisation
Planform / Channel pattern
Other
Non-structural measures
Management interventions
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



Additional documents and videos


Additional links and references

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Supplementary Information

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