Case study:Improvement of the River Varde at the Wadden Sea estuary

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Location: 55° 27' 48", 8° 18' 40"
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Project overview

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Status Complete
Project web site
Themes Habitat and biodiversity
Country Denmark
Main contact forename Jørn
Main contact surname Jensen
Main contact user ID
Contact organisation The Nature Agency, Danish Ministry of the Environment.
Contact organisation web site
Partner organisations Ribe Amt (Ribe County) Landbrugscenter Varde (Varde Farmers' Union) Strukturdirektoratet (Directorate of Agricultural Structure of the Ministry for Food, Agriculture and Fishery)
Parent multi-site project
This is a parent project
encompassing the following
projects
No
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Project summary

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The overall objective of the project was to improve the conditions for the habitats and species by raising water levels in the area, ending the use of pesticides and fertilisers and extensifying agricultural production. The project area of 2,700 ha involved around 436 landowners and was divided into 13 sections.

By the end of the project, 2,488 ha of land was restored to a natural hydrological condition, and subsequently entered into 20-year management agreements. This involved just over 250 farmers and covered 92 % of the initial target of 2,700 ha. The foremost conservation benefit of the project is that the area is secured for conservation-friendly management over at least the next 20 years.

The long-term monitoring planning includes a general survey during 2017-2022, when the current 20-year agreements expire.

Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment



Site

Name Ribe amt
WFD water body codes
WFD (national) typology coastal
WFD water body name
Pre-project morphology
Reference morphology
Desired post project morphology
Heavily modified water body No
National/international site designation
Local/regional site designations
Protected species present No
Invasive species present No
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
Works started
Works completed
Project completed
Total cost category
Total cost (k€) 1,739.13628 €
1.739 k€
Benefit to cost ratio
Funding sources European Community, 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

Supplementary funding information

The project started in 01/01/1999 and was completed in 31/12/2002 EU contribution 713,036.46 €



Reasons for river restoration

Mitigation of a pressure
Hydromorphology
Biology
Physico-chemical
Other reasons for the project


Measures

Structural measures
Bank/bed modifications
Floodplain / River corridor
Planform / Channel pattern
Other
Non-structural measures
Management interventions
Social measures (incl. engagement)
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://ec.europa.eu/environment/life/project/Projects/index.cfm?fuseaction=search.dspPage&n proj id=402&docType=pdf LIFE Nature Wadden Sea Web summary

Supplementary Information

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