Case study:Langford Lakes project

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Location: 51° 8' 10.69" N, 1° 57' 11.05" W

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Project overview

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Status	Complete
Project web site
Themes	Spatial planning, Economic aspects, Land use management - agriculture, Flood risk management, Social benefits
Country	England
Main contact forename
Main contact surname
Main contact user ID
Contact organisation
Contact organisation web site
Partner organisations
This is a parent project encompassing the following projects	No

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Project summary

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Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

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Site

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Name	Steeple Langford
WFD water body codes
WFD (national) typology
WFD water body name
Pre-project morphology	Single channel, Straight, High width:depth
Reference morphology	Sinuous, Pool-riffle
Desired post project morphology
Heavily modified water body
National/international site designation	EU - Special Area of Conservation
Local/regional site designations
Protected species present
Invasive species present
Species of interest
Dominant hydrology	Quick run-off, Groundwater
Dominant substrate	Bedrock, Cobble, Gravel
River corridor land use	Extensive agriculture, Woodland
Average bankfull channel width category	5 - 10 m
Average bankfull channel width (m)
Average bankfull channel depth category	0.5 - 2 m
Average bankfull channel depth (m)
Mean discharge category
Mean annual discharge (m3/s)	0.30.3 m³/s <br />300 l/s <br />
Average channel gradient category
Average channel gradient
Average unit stream power (W/m2)

Project background

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Reach length directly affected (m)	1000 m1 km <br />100,000 cm <br />
Project started	2002/10/01
Works started
Works completed	2002/10/01
Project completed
Total cost category
Total cost (k€)
Benefit to cost ratio
Funding sources	Wiltshire wildlife trust, Natural England, 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

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Mitigation of a pressure
Hydromorphology	Quantity & dynamics of flow, Connection to groundwaters, Continuity of sediment transport, Continuity for organisms
Biology	Fish: Disturbance-sensitive species, Invertebrates: Disturbance-sensitive species
Physico-chemical	Nutrient concentrations
Other reasons for the project	Flood risk management

Measures

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Structural measures
Bank/bed modifications	Planting, Creation of a V weir
Floodplain / River corridor
Planform / Channel pattern
Other
Non-structural measures
Management interventions
Social measures (incl. engagement)
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Monitoring

Hydromorphological quality elements

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quality elements

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

Biological quality elements

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quality elements

Element	When monitored		Type of monitoring		Control site used	Result
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Physico-chemical quality elements

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quality elements

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Any other monitoring, e.g. social, economic

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Monitoring documents

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Image gallery

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Additional links and references

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Supplementary Information

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