Case study:Meers - Floodplain lowering

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Location: 50° 57' 30.60" N, 5° 43' 28.56" E

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Project overview

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Status	Complete
Project web site
Themes	Habitat and biodiversity, Hydromorphology, Water quality, Monitoring
Country	Netherlands
Main contact forename
Main contact surname
Main contact user ID
Contact organisation	(FORECASTER)
Contact organisation web site
Partner organisations
This is a parent project encompassing the following projects	No

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Project summary

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Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

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(affects all case studies in this subcatchment)

Catchment

River basin district	Meuse
River basin	Meuse

Subcatchment

River name	Meuse
Area category	more than 10000 km²
Area (km2)	465465 km² <br />46,500 ha <br />
Maximum altitude category	100 - 200 m
Maximum altitude (m)	200200 m <br />0.2 km <br />20,000 cm <br />
Dominant geology	chalk and loess
Ecoregion	Western Plains
Dominant land cover	Intensive agriculture, Urban
Waterbody ID

Other case studies in this subcatchment: Aaijen- Removal of bank fixation, Reméandration du Geer à Grand-Axhe, Rijkelse Bemden - River bed widening, Voorste Nete at Dessel

Site

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Name	Meers - Floodplain lowering
WFD water body codes
WFD (national) typology	R7
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

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Reach length directly affected (m)
Project started
Works started
Works completed	1998/01/01
Project completed
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Total cost (k€)
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			Consortium Grendmaas
Stakeholder engagement and communication
Works and works supervision
Post-project management and maintenance
Monitoring

Reasons for river restoration

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Mitigation of a pressure
Hydromorphology	Quantity & dynamics of flow, Connection to groundwaters, Continuity of sediment transport
Biology	Macrophytes
Physico-chemical
Other reasons for the project	Landscape enhancement

Measures

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Structural measures
Bank/bed modifications
Floodplain / River corridor	Floodplain and dikes lowered to increase inundation of the floodplain
Planform / Channel pattern
Other
Non-structural measures
Management interventions
Social measures (incl. engagement)
Other

Monitoring

Hydromorphological quality elements

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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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quality elements

Element	When monitored		Type of monitoring		Control site used	Result
	Before measures	After measures	Qualitative	Quantitative
Macrophytes	Yes	Yes

Physico-chemical quality elements

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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

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Element	When monitored		Type of monitoring		Control site used	Result
	Before measures	After measures	Qualitative	Quantitative
Birds, butterflies and dragonflies	Yes	Yes

Monitoring documents

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Image gallery

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Additional documents and videos

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Additional links and references

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Link	Description

Supplementary Information

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