Case study:River Dee

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Project overview

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Status	Complete
Project web site
Themes	Economic aspects, Habitat and biodiversity, Hydromorphology, Land use management - agriculture, Monitoring, Spatial planning
Country	England
Main contact forename	Nick
Main contact surname	Elbourne
Main contact user ID	User:NickRRC
Contact organisation	River Restoration Centre
Contact organisation web site	http://www.therrc.co.uk
Partner organisations	River Dee Trust
Parent multi-site project
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	Dee Restoration
WFD water body codes
WFD (national) typology
WFD water body name
Pre-project morphology	Single channel
Reference morphology	Sinuous, Pool-riffle
Desired post project morphology
Heavily modified water body
National/international site designation
Local/regional site designations
Protected species present
Invasive species present
Species of interest
Dominant hydrology	Quick run-off, Groundwater
Dominant substrate	Gravel, Cobble
River corridor land use	Extensive agriculture
Average bankfull channel width category	5 - 10 m
Average bankfull channel width (m)
Average bankfull channel depth category	2 - 5 m
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

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Reach length directly affected (m)
Project started
Works started
Works completed
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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

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Mitigation of a pressure	Abstraction, Reservoir impoundment
Hydromorphology	Channel pattern/planform, Quantity & dynamics of flow, Flow velocities, Continuity for organisms
Biology	Fish: Species composition, Fish: Abundance
Physico-chemical
Other reasons for the project	Fisheries

Measures

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Structural measures
Bank/bed modifications	Planting, Introduction of spawning gravels, Regrading
Floodplain / River corridor
Planform / Channel pattern	Introduction of Sinuosity
Other
Non-structural measures
Management interventions
Social measures (incl. engagement)
Other	Information provision, Consultation, Participation in design

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
	Before measures	After measures	Qualitative	Quantitative
Fish: Species composition	Yes	Yes		Yes		Improvement
Fish: Abundance	Yes	Yes		Yes		Improvement

Physico-chemical quality elements

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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

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

Monitoring documents

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Image gallery

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Additional documents and videos

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Additional links and references

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Link	Description

Supplementary Information

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