Case study:Room for the River

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Location: 52° 22' 31.80" N, 5° 37' 30.00" E

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Project overview

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Status	Complete
Project web site
Themes	Habitat and biodiversity, Water quality
Country	Netherlands
Main contact forename	Rutger
Main contact surname	Blankvoort
Main contact user ID
Contact organisation	Rijkswaterstaat Oost-Nederland
Contact organisation web site
Partner organisations
This is a parent project encompassing the following projects	Millingerwaard-Floodplain rehabilitation, Ontpoldering Noordwaard, Uiterwaardvergraving Keizers- en Stobbenwaarden en Olsterwaarden

Map of the Room for the River sites, the Netherlands

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	Rhine
River basin	Rhine

Subcatchment

River name	Rhine
Area category	1000 - 10000 km²
Area (km2)
Maximum altitude category	1000 - 2000 m
Maximum altitude (m)
Dominant geology	Siliceous
Ecoregion	Central Plains
Dominant land cover	Grassland, Urban
Waterbody ID

Other case studies in this subcatchment: Amerongse Bovenpolder, Bakenhof Dyke reconstruction, Blauwe Kamer, Ruppoldingen, Upper Main catchment restoration

Site

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Name	Hondsbroeksche Pleij
WFD water body codes
WFD (national) typology
WFD water body name
Pre-project morphology	Single channel, Revetments, High width:depth, Entrenched
Reference morphology	Single channel, Sinuous, Pool-riffle
Desired post project morphology
Heavily modified water body	true
National/international site designation
Local/regional site designations
Protected species present
Invasive species present
Species of interest
Dominant hydrology	Quick run-off, Groundwater, Artificially regulated, Tidal
Dominant substrate	Bedrock
River corridor land use	Extensive agriculture, Urban, Grassland
Average bankfull channel width category	10 - 50 m
Average bankfull channel width (m)
Average bankfull channel depth category	5 - 10 m
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	2003/01/01
Works started
Works completed	2008/01/01
Project completed
Total cost category	more than 10000 k€
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			Rijkswaterstaat Oost-Nederland
Stakeholder engagement and communication			Rijkswaterstaat Oost-Nederland
Works and works supervision			Rijkswaterstaat Oost-Nederland
Post-project management and maintenance			Rijkswaterstaat Oost-Nederland
Monitoring

Reasons for river restoration

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Mitigation of a pressure	Agriculture, Urban use
Hydromorphology	Connection to groundwaters, Channel pattern/planform, Quantity & dynamics of flow
Biology
Physico-chemical
Other reasons for the project	Landscape enhancement

Measures

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Structural measures
Bank/bed modifications	Removal of revetments, Reduction of bank slope
Floodplain / River corridor
Planform / Channel pattern
Other
Non-structural measures
Management interventions
Social measures (incl. engagement)
Other	Information provision, Consultation, Participation in works, Participation in design

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
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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

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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