Case study:Vester Nebel Restoration

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Project overview

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Status	Complete
Project web site
Themes	Land use management - agriculture
Country	Denmark
Main contact forename	Hans- Martin
Main contact surname	Olsen
Main contact user ID
Contact organisation	Kolding Adal
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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Catchment

River basin district
River basin	Kolding

Subcatchment

River name	Vester Nebel
Area category	10 - 100 km²
Area (km2)
Maximum altitude category	100 - 200 m
Maximum altitude (m)
Dominant geology	Siliceous
Ecoregion	Central Plains
Dominant land cover	Extensive agriculture
Waterbody ID

Site

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Name	Vester Nebel
WFD water body codes
WFD (national) typology
WFD water body name
Pre-project morphology
Reference morphology	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	Artificially regulated
Dominant substrate	Cobble, Bedrock, Boulders, Gravel
River corridor land use	Extensive agriculture
Average bankfull channel width category	5 - 10 m
Average bankfull channel width (m)
Average bankfull channel depth category	2 - 5 m
Average bankfull channel depth (m)
Mean discharge category
Mean annual discharge (m3/s)
Average channel gradient category
Average channel gradient	0.3
Average unit stream power (W/m2)

Project background

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Reach length directly affected (m)	1025 m1.025 km <br />102,500 cm <br />
Project started	2007/11/01
Works started
Works completed	2008/07/01
Project completed
Total cost category
Total cost (k€)	550 k€550,000 € <br />
Benefit to cost ratio
Funding sources	Danish Nature Agency

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

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Mitigation of a pressure
Hydromorphology	Quantity & dynamics of flow, Channel pattern/planform, Width & depth variation, Continuity for organisms
Biology	Fish: Species composition, Fish: Abundance
Physico-chemical
Other reasons for the project	Community demand, Fisheries

Measures

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Structural measures
Bank/bed modifications	Regrading, Placement of spawning gravels
Floodplain / River corridor
Planform / Channel pattern	Introducing sinuosity, Creation of new channel in places
Other
Non-structural measures
Management interventions
Social measures (incl. engagement)
Other	Information provision, Consultation, Participation in design, Participation in monitoring

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
Fish: Species composition	Yes	Yes		Yes		Improvement
Fish: Abundance	Yes	Yes		Yes		Improvement

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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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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