Case study:Limestone Ribble Restoration Project

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Location: 53° 44' 47", -2° 48' 50"
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Project overview

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Status In progress
Project web site
Themes Economic aspects, Habitat and biodiversity, Hydromorphology, Social benefits, Water quality
Country England
Main contact forename John
Main contact surname Milne
Main contact user ID
Contact organisation Ribble Rivers Trust
Contact organisation web site http://www.ribbletrust.org.uk
Partner organisations Yorkshire Dales Millennium Trust, Yorkshire Dales National Park, Settle Anglers Association, Wild Trout Trust, Woodland Trust, Durham University, Halton West Estate
Parent multi-site project
This is a parent project
encompassing the following
projects
No
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Project summary

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Limestone Ribble Restoration is a partnership project that will use CRF funds to improve watercourses in an area of the Ribble Catchment that has been quarried, farmed and industrialised for hundreds of years. The degraded habitat, diffuse pollution and obstructions to fish passage are causing certain watercourses in this area to fail to meet the required standards under the Water Framework Directive (WFD). Through restoration work, the project will address issues including: unnatural flow regimes caused by upland grips; sediment which has a direct adverse effect on water quality; barriers to fish migration, preventing fish from reaching habitat that modelling shows they should be present in; interrupted natural downstream movement of substrate which reduces spawning habitat for salmonids; fertiliser run off into rivers which can cause nutrient enrichment and impact negatively on river ecology; expected rise in river water temperature associated with climate change; failed bathing water standard in coastal reaches due to presence of excess pathogens attributable to upstream sources.

Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

Catchment

River basin district North West
River basin Ribble

Subcatchment

River name River Ribble
Area category 100 - 1000 km²
Area (km2)
Maximum altitude category Less than 100 m
Maximum altitude (m) 71
71 m
0.071 km
7,100 cm
Dominant geology Calcareous
Ecoregion Great Britain
Dominant land cover Improved grassland
Waterbody ID GB112071065480



Site

Name
WFD water body codes GB112071065480
WFD (national) typology
WFD water body name River Ribble
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 2012/07/01
Works started
Works completed
Project completed 2015/03/01
Total cost category 100 - 500 k€
Total cost (k€) 100
100 k€
100,000 €
Benefit to cost ratio
Funding sources Catchment Restoration Funds

Cost for project phases

Phase cost category cost exact (k€) Lead organisation Contact forename Contact surname
Investigation and design Less than 1 k€
Stakeholder engagement and communication
Works and works supervision
Post-project management and maintenance
Monitoring



Reasons for river restoration

Mitigation of a pressure Diffuse polution
Hydromorphology Quantity & dynamics of flow, Structure & condition of riparian/lake shore zones
Biology Fish
Physico-chemical
Other reasons for the project


Measures

Structural measures
Bank/bed modifications Tree planting
Floodplain / River corridor Barrier removal, The blocking of certain grips
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




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Supplementary Information

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