Case study:Restoration of river Knipån

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Location: 57° 56' 27.49" N, 14° 5' 52.85" E

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Project overview

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Status	Complete
Project web site
Themes	Fisheries, Habitat and biodiversity, Hydropower
Country	Sweden
Main contact forename	Ingemar
Main contact surname	Bergbom
Main contact user ID	User:Arolam
Contact organisation	Länsstyrelsen i Jönköpings län
Contact organisation web site	http://projektwebbar.lansstyrelsen.se/vattern/Sv/besoksmal-vatterbackar/knipan/Pages/index.aspx
Partner organisations
This is a parent project encompassing the following projects	Kvarnekulla nature like bypass channel at River Knipån, Skårhultsdammen bypass channel at River Knipån

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Project summary

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The River Knipån is located in South-East of Sweden in Knipåns nature reserve which is also an important groundwater area. River Knipån is important reproduction area for trout, European greyling and also endangered species European River Mussle and European River Lamprey. The River Knipån has been restored to improve the conditions for migrating fish and other aquatic organisms. There has been f.ex. damremovals and other improvments done in the stream. Also lakes Furusjön and Knipesjön in the upstreams of River Knipån has been chalced in 1991 which has improved the water quality for fish, like trout, sensitive to acidification.

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Catchment and subcatchment Select a catchment/subcatchment Site Edit site Name Knipån Nature reserve WFD water body codes 067 WFD (national) typology WFD water body name Pre-project morphology Embanked Reference morphology Braided 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 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 Edit project background 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 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 Edit reasons for restoration Mitigation of a pressure Hydromorphology Biology Physico-chemical Other reasons for the project Measures Edit 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 Edit Hydromorphological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Biological quality elements Edit biological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Physico-chemical quality elements Edit 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 Edit Other responses Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Monitoring documents Upload monitoring documents Additional documents and videos Upload additional documents Additional links and references Edit links and references Link Description Supplementary Information Edit Supplementary Information