Case study:Community Wetlands

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Location: 52° 33' 52", -1° 41' 18"
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Project overview

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Status Complete
Project web site
Themes Habitat and biodiversity, Water quality
Country England
Main contact forename Tracey
Main contact surname Doherty
Main contact user ID User:TameValley
Contact organisation Warwickshire Wildlife Trust
Contact organisation web site http://http://www.tamevalleywetlands.co.uk/
Partner organisations
Parent multi-site project

tamevalley

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Project summary

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To create a new and exciting area of wetland (LBAP habitat) approximately 6 hectares in size, incorporating restoration of wet grassland, reedbed creation, extension of Hall pond, a ditch network, artificial sand martin bank and a number of scrapes which will act as a magnet for both wildlife and people. Create an informal outdoor education area incorporating a dipping platform and raised viewing platform with steps that can be used as an outdoor classroom and a ramp access. Incorporate three interpretation panels and two benches

The wetland will provide space and storage for flood water during extreme events and will aid flooding by slowing the flow and drainage back into the river. The reconnection of this area to the floodplain will help to enhance the wetland mosaic ensuring that wetland specialist plants thrive working towards restoration of the current low quality MG4 meadow.

Monitoring surveys and results

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A phase 2 habitat survey was carried out prior to works in 2016. Areas of low quality MG4 meadow were identified and protected from earthworks. The remainder of the site was seeded in an appropriate wetland mix in April 2016. In July 2017 a bioblitz was carried out on the site and over 614 species were recorded. The meadow is improving but further enhancement of yellow rattle might be advantageous to control the grasses on the site that was originally protected from works. Seeds donated from a floodplain meadow area within Kingsbury Water Park will be used to enhance the flora further.

The Wetland works even better than anticipated filling from Mitchell's pool in the north through the ditches and flooding over the meadow and from the impoundment of the leys brook which fills the pond and dry reedbed area and then flooding over the meadow.

Lessons learnt

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Catchment and subcatchment



Site

Name
WFD water body codes
WFD (national) typology
WFD water body name
Pre-project morphology
Reference morphology
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
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 2005
Works started
Works completed
Project completed
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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 Channel pattern/planform
Biology
Physico-chemical
Other reasons for the project Landscape enhancement


Measures

Structural measures
Bank/bed modifications
Floodplain / River corridor Creation of wetland, Scrapes, Floodplain spillways, Floodplain reconnection, water meadow creation
Planform / Channel pattern Reedbed creation
Other
Non-structural measures
Management interventions
Social measures (incl. engagement) Community Education, Viewing platform
Other Information provision


Monitoring

Hydromorphological 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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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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