Case study:Keent

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Location: 51° 46' 15.18" N, 5° 41' 44.93" E
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Project overview

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Status Complete
Project web site
Themes Flood risk management, Habitat and biodiversity, Land use management - agriculture
Country Netherlands
Main contact forename Rogier
Main contact surname Vogelij
Main contact user ID User:Rogier
Contact organisation Dienst Landelijk Gebied
Contact organisation web site http://www.dienstlandelijkgebied.nl/
Partner organisations
Parent multi-site project
This is a parent project
encompassing the following
projects
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Project summary

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In Keent, a nature area was developped. The former river bed was partly dug out and connected to the Meuse River. Keent was made into an island, surrounded with water and nature. The result of the project is a wide gulley in the middle of forests, valleys, swamps and recreational facilities. Also the water level in the Meuse river was lowered by 3.5 cm. Horses and cows graze the area to combat the growth of trees and bushes.

Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment



Site

Name
WFD water body codes
WFD (national) typology
WFD water body name Meuse
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 Clay
River corridor land use Intensive agriculture (arable)
Average bankfull channel width category more than 50 m
Average bankfull channel width (m)
Average bankfull channel depth category
Average bankfull channel depth (m)
Mean discharge category 100 - 1000 m³/s
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 2007/01/01
Works started
Works completed
Project completed 2014/07/04
Total cost category 1000 - 5000 k€
Total cost (k€) 1200012,000 k€ <br />12,000,000 € <br />
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

Mitigation of a pressure Flood risk management
Hydromorphology Flow velocities, Quantity & dynamics of flow
Biology
Physico-chemical
Other reasons for the project


Measures

Structural measures
Bank/bed modifications Connection between river channel and former side branches, Riverbed dug out
Floodplain / River corridor
Planform / Channel pattern
Other
Non-structural measures
Management interventions Grazing
Social measures (incl. engagement) Creation of visitors centre, Exposition about the past of Keent
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://www.bd.nl/regio/regio-oss-en-uden/oss/graphic-keent-7.549405 Info graphic by Brabant's dagblad (Dutch)

Supplementary Information

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