Case study:Essex Healthy Headwaters River Restoration Project

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Location: 52° 0' 6.19" N, 0° 34' 49.63" E
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Project overview

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Status Complete
Project web site
Themes Economic aspects, Habitat and biodiversity, Hydromorphology, Monitoring, Social benefits
Country England
Main contact forename Mark
Main contact surname Iley
Main contact user ID
Contact organisation Essex Wildlife Trust
Contact organisation web site http://www.essexwt.org.uk
Partner organisations Essex and Suffolk Water (Northumbrian Water), Chelmer and Blackwater Catchment Partnership, NE, EA, Chelmer and Blackwater Navigation (Essex Waterways Ltd), Parish Councils and the Rural Communities Council for Essex, Landowners and farmers, the Rivers Trust, Essex County Council, Essex Farming and Wildlife Advisory Group
Parent multi-site project
This is a parent project
encompassing the following
projects
No
site before works

Project summary

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This project will aim to target catchment restoration by (i) initiating changes to agricultural land management including arable reversion to extensively managed permanent grassland and broadleaved woodland (ii) creating new wetland habitats through temporary flood storage & water retention areas on farmland (iii) enhancing and maintaining river channels (iv) upgrading channels and ditches (v) improvements to agricultural soil management (vi) awareness raising for communities (vi) monitoring to demonstrate positive change and (vii) reporting and disseminating best practice.

Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

Catchment

River basin district Anglian
River basin Combined Essex

Subcatchment

River name Colne (Gt. Yeldham - Doe's Corner)
Area category 10 - 100 km²
Area (km2)
Maximum altitude category 100 - 200 m
Maximum altitude (m) 112112 m <br />0.112 km <br />11,200 cm <br />
Dominant geology Calcareous
Ecoregion Great Britain
Dominant land cover Arable and Horticulture
Waterbody ID GB105037041260



Site

Name
WFD water body codes GB105037041260
WFD (national) typology
WFD water body name Colne
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
Total cost (k€)
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 Riparian development
Hydromorphology Channel pattern/planform
Biology
Physico-chemical
Other reasons for the project Landscape enhancement


Measures

Structural measures
Bank/bed modifications Bank reprofiling, Channel features creation
Floodplain / River corridor
Planform / Channel pattern
Other Farm infrastructure interventions
Non-structural measures
Management interventions
Social measures (incl. engagement) Community involvement
Other Presentations to instutions, Monitoring and survey projects


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




Additional documents and videos


Additional links and references

Link Description

Supplementary Information

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