Case study:Restoration of Enningdalsälv River

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Location: 58° 52' 58.97" N, 11° 32' 17.37" E

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Project overview

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Status	Complete
Project web site	http://projektwebbar.lansstyrelsen.se/projektenningdalsalven/Sv/Pages/default.aspx
Themes	Fisheries, Habitat and biodiversity, Hydromorphology
Country	Sweden
Main contact forename	Bäckstrand
Main contact surname	Andreas
Main contact user ID
Contact organisation	Tanums kommun & Enningdalsälvens vattenråd
Contact organisation web site	http://www.enningdalselven.com
Partner organisations
This is a parent project encompassing the following projects

Enningdalsälv River_after restoration (photo: Langevallsalven)

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Image gallery

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Enningdalsälv River_after restoration

Enningdalsälv River_after restoration (photo: Svingen)

Enningdalsälv River_bifore restoration (photo: Svingen)

Enningdalsälv River_before restoration (photo: Svingen)

Enningdalsälv River_after restoration (photo: Långevallsälven)

Enningdalsälv River_before restoration (photo: Långevallsälven)

Enningdalsälv River_during the restoration works (photo: )

Catchment and subcatchment Select a catchment/subcatchment Edit the catchment and subcatchment details (affects all case studies in this subcatchment) Catchment River basin district River basin Enningdal River Basin Subcatchment River name Enningdal River Area category 100 - 1000 km² Area (km2) 782 km²78,200 ha <br /> Maximum altitude category Maximum altitude (m) Dominant geology Organic (i.e. Peat) Ecoregion Fenno-Scandian Shield Dominant land cover Woodland Waterbody ID Site Edit site Name Catchment of River Enningdalsälven WFD water body codes WFD (national) typology WFD water body name Pre-project morphology Reference morphology Desired post project morphology Heavily modified water body National/international site designation Local/regional site designations multiple designations across the site Protected species present Invasive species present Species of interest Dominant hydrology Dominant substrate River corridor land use 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 2009/06/01 Works started Works completed 2011/06/01 Project completed Total cost category 100 - 500 k€ Total cost (k€) 470 k€470,000 € <br /> Benefit to cost ratio Funding sources European Regional Development Fund, Västra Götalands län, NINA samt Direktoratet for naturforvaltning, Norska IR midler 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 Width & depth variation, Substrate conditions Biology Fish: Abundance, Fish: Species composition, Invertebrates: Abundance Physico-chemical pH, Acid neutralising capacity Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications Building of submerged weirs and pits, Re-introducing stones, Introduction of gravel, Creation of fish passes Floodplain / River corridor Planform / Channel pattern Other Liming 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 Width & depth variation Awaiting results Substrate conditions Awaiting results Biological quality elements Edit biological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Fish: Abundance Awaiting results Fish: Species composition Awaiting results Invertebrates: Abundance Awaiting results 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 pH Acid neutralising capacity 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