Case study:River Thame Catchment Conservation Project

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Location: 51° 42' 29", -1° 8' 4"
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Project overview

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Status Complete
Project web site
Themes Economic aspects, Habitat and biodiversity, Social benefits, Water quality
Country England
Main contact forename Pascale
Main contact surname Nicolet
Main contact user ID
Contact organisation The Freshwater Water Habitats Trust
Contact organisation web site
Partner organisations The Water Habitats Trust, River Thame Conservation Trust, Environment Agency, Thames Water, RSPB, Natural England, Centre for Ecology & Hydrology, South Oxfordshire District Council, Oxfordshire Nature Conservation Forum, The Hurst Meadow Conservation Trust, Sylva Foundation, Queen Mary University of London, Local Angling Clubs
Parent multi-site project
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encompassing the following
projects
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Project summary

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The project has two main objectives (i) to install a comprehensive range of diffuse pollution control and biodiversity enhancement measures in a pilot area covering c.40km2 on the lower Thame which can subsequently be rolled out across the whole catchment. (ii) to complete the preparation of a strategic overview plan for the River Thame catchment, jointly developed by all catchment partners, to maximise the benefits of stakeholder involvement in achieving the aims of the Water Framework Directive. The overview plan will apply the techniques and lessons learned in the pilot area, and elsewhere, to outline a rolling programme of practical works throughout the Thame catchment.

Funding: Main partners: Pond Conservation: The Water Habitats Trust, River Thame Conservation Trust & Environment Agency. Also collaborations with Thames Water, RSPB, Natural England, Centre for Ecology & Hydrology, Local Angling Clubs, South Oxfordshire District Council, Oxfordshire Nature Conservation Forum, The Hurst Meadow Conservation Trust, Sylva Foundation, Queen Mary University of London

Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

Catchment

River basin district Thames
River basin Thame and South Chilterns

Subcatchment

River name Thame (Scotsgrove Brook to Thames)
Area category 100 - 1000 km²
Area (km2)
Maximum altitude category 100 - 200 m
Maximum altitude (m) 154
154 m
0.154 km
15,400 cm
Dominant geology Calcareous
Ecoregion Great Britain
Dominant land cover Arable and Horticulture
Waterbody ID GB106039030240



Site

Name
WFD water body codes GB106039030240
WFD (national) typology
WFD water body name Thame (Scotsgrove Brook to Thames)
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€) 230
230 k€
230,000 €
Benefit to cost ratio
Funding sources Defra Catchment Restoration Fund

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 Pollution incident, Riparian development
Hydromorphology
Biology Invertebrates, Macrophytes
Physico-chemical Nutrient concentrations, PH, Salinity
Other reasons for the project Landscape enhancement


Measures

Structural measures
Bank/bed modifications
Floodplain / River corridor
Planform / Channel pattern
Other
Non-structural measures
Management interventions
Social measures (incl. engagement) Community involvement
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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