Case study:Restoration of dry riverbeds in Røssåga in conjunction with relocation of power plant outlets

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Location: 66° 4' 18.62" N, 13° 49' 40.10" E

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Project overview

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Status	Complete
Project web site
Themes	Environmental flows and water resources, Fisheries, Habitat and biodiversity, Hydropower, Hydromorphology, Monitoring
Country	Norway
Main contact forename	Bjørn
Main contact surname	Grane
Main contact user ID
Contact organisation	Statkraft AS
Contact organisation web site	http://www.statkraft.no
Partner organisations	Ferskvannsbiologen AS, The Norwegian Water Resources and Energy Directorate (NVE), The Norwegian Environmental Agency (Miljødirektoratet)
Parent multi-site project
This is a parent project encompassing the following projects	No

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Catchment and subcatchment Select a catchment/subcatchment Site Edit site Name Røssåga WFD water body codes 155-254-R (EU-ID: NO155-254-R) WFD (national) typology RML4311 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 Yes Invasive species present No Species of interest Salmon and Sea-trout 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 10 - 100 m³/s 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) 650650 m <br />0.65 km <br />65,000 cm <br /> Project started 2013/01/01 Works started Works completed Project completed 2016/07/26 Total cost category Total cost (k€) 456456 k€ <br />456,000 € <br /> Benefit to cost ratio Funding sources Statkraft AS 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 Hydropower Hydromorphology Biology Fish: Abundance, Fish: Age structure 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 http://uni.no/media/manual upload/LFI 296 4opplag.pdf Measures Handbook for better physical aquatic environment Supplementary Information Edit Supplementary Information