Case study:Fingringhoe Managed Realignment

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Location: 51° 50' 26", 0° 56' 58"
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Project overview

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Status Complete
Project web site http://www.therrc.co.uk/sites/default/files/projects/52_fingringhoe.pdf
Themes Flood risk management, Habitat and biodiversity, Land use management - agriculture, Social benefits, Water quality
Country England
Main contact forename Merle
Main contact surname Leeds
Main contact user ID
Contact organisation Environment Agency
Contact organisation web site http://www.gov.uk/government/organisations/environment-agency
Partner organisations Essex Wildlife Trust, Natural England, Place Services, private landowners, local volunteers
Parent multi-site project
This is a parent project
encompassing the following
projects
No
Project picture

Project summary

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The Fingringhoe Intertidal Habitat Creation Project has created 22ha of new, internationally important intertidal habitat on the Colne estuary in Essex (Map 1). The project was managed through a central partnership between the Environment Agency and Essex Wildlife Trust, with additional partners coming on board at different times. These included Natural England, neighbouring landowners and around a hundred volunteers. This project was conceived in 2011 and implemented in 2015 when a 300m breach in the seawall was constructed at Fingringhoe. This landscape-scale conservation project not only enhances biodiversity improvements onsite, but also supports internationally and nationally designated sites. Working in partnership has meant it was possible to create some of the most cost-effective intertidal habitat in the country.

Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment



Site

Name Colne Estuary
WFD water body codes
WFD (national) typology
WFD water body name
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)
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Average channel gradient
Average unit stream power (W/m2)


Project background

Reach length directly affected (m)
Project started 2015
Works started
Works completed
Project completed
Total cost category
Total cost (k€) £436,000
"£" is not declared as a valid unit of measurement for this property.
Benefit to cost ratio
Funding sources Essex Wildlife Trust, Flood Defence Grant-in-Aid

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 Flood and coastal erosion protection
Hydromorphology
Biology
Physico-chemical
Other reasons for the project


Measures

Structural measures
Bank/bed modifications
Floodplain / River corridor
Planform / Channel pattern
Other Salt marsh and mudflat restoration
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

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Physico-chemical quality elements

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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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