Case study:Dam removal in River Stenån: Difference between revisions

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Revision as of 10:47, 13 December 2012

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Location: 57° 8' 43.61" N, 12° 29' 31.94" E
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Project overview

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Status Complete
Project web site
Themes Fisheries, Habitat and biodiversity
Country Sweden
Main contact forename Katarina
Main contact surname Vartia
Main contact user ID
Contact organisation
Contact organisation web site
Partner organisations
Parent multi-site project
This is a parent project
encompassing the following
projects
No
Stenån River Valley (photo.Outi Laamanen)

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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Site

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Name Stenån-Hovgårds kvarn
WFD water body codes
WFD (national) typology
WFD water body name River Stenån
Pre-project morphology Embanked
Reference morphology
Desired post project morphology
Heavily modified water body No
National/international site designation EU - Special Protected Area
Local/regional site designations Natura 2000
Protected species present Yes
Invasive species present No
Species of interest The freshwater pearl mussel, Salmon
Dominant hydrology
Dominant substrate
River corridor land use Intensive agriculture (arable), Woodland
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
Project completed
Total cost category
Total cost (k€)
Benefit to cost ratio
Funding sources

Cost for project phases

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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
Biology
Physico-chemical
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Measures

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Structural measures
Bank/bed modifications
Floodplain / River corridor
Planform / Channel pattern
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Non-structural measures
Management interventions
Social measures (incl. engagement)
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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

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


Pool-riffle variation (photo. Maria Arola).JPG
Removed dam (photo. Outi Laamanen).JPG


Additional documents and videos

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Additional links and references

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Link Description

Supplementary Information

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