Case study:Markway Stream Restoration

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Location: 50° 50' 0", -1° 38' 46"
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Project overview

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Status Complete
Project web site http://www.newforestlife.org.uk/life3/life3index.htm
Themes Environmental flows and water resources, Hydromorphology, Land use management - forestry
Country England
Main contact forename Bryan
Main contact surname Boult
Main contact user ID
Contact organisation Hampshire County Council
Contact organisation web site http://www.hants.gov.uk/
Partner organisations English Nature, Environment Agency, Forestry Commission, National Trust, RSPB
Parent multi-site project

Case_study:New Forest LIFE project

This is a parent project
encompassing the following
projects
No
Restored meander

Project summary

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This site is a part of New Forest LIFE project. The aim of the project at this site was to develop a restoration scheme for the river that would balance the Commoner’s aspirations for floodplain grazing with the conservation objections of the New Forest SAC. Works contained the excavation and reinstatement of former meandering channel, installation of a clay plug 20-30cm higher than the surrounding floodplain and removal of weed from a 350m length of channel.

Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

Catchment

River basin district South East
River basin New Forest

Subcatchment

River name Ober Water
Area category 10 - 100 km²
Area (km2)
Maximum altitude category 100 - 200 m
Maximum altitude (m) 108
108 m
0.108 km
10,800 cm
Dominant geology Siliceous
Ecoregion Great Britain
Dominant land cover Heather
Waterbody ID GB107042011360



Site

Name Markway Stream
WFD water body codes GB107042011360
WFD (national) typology
WFD water body name Ober Water
Pre-project morphology
Reference morphology
Desired post project morphology
Heavily modified water body Yes
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) 1300
1,300 m
1.3 km
130,000 cm
Project started 2002/07/01
Works started
Works completed
Project completed 2006/12/31
Total cost category 10 - 50 k€
Total cost (k€)
Benefit to cost ratio
Funding sources EU LIFE Programme

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
Hydromorphology Width & depth variation, Channel pattern/planform
Biology
Physico-chemical
Other reasons for the project


Measures

Structural measures
Bank/bed modifications Excavation of bedrock
Floodplain / River corridor
Planform / Channel pattern Creation of meanders
Other Installation of a clay plug
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

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
http://ec.europa.eu/environment/life/project/Projects/index.cfm?fuseaction=home.showFile&rep=file&fil=LIFE02 NAT UK 008544 AfterLIFE.pdf After LIFE conservation plan
http://www.newforestlife.org.uk/life3/life3index.htm New Forest LIFE 3 web page
http://ec.europa.eu/environment/life/project/Projects/index.cfm?fuseaction=home.createPage&s ref=LIFE02%20NAT/UK/008544&area=1&yr=2002&n proj id=1976&cfid=423407&cftoken=1adf75e7742a0a31-858CC2AB-CCBA-042D-07FCA090D1A64E01&mode=print&menu=false New Forest on EU LIFE programme

Supplementary Information

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