Case study:Restoration of Koskenkylänjoki River

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Status	Complete
Project web site
Themes	Fisheries, Habitat and biodiversity, Hydromorphology, Hydropower, Peat
Country	Finland
Main contact forename	Pasi
Main contact surname	Lempinen
Main contact user ID
Contact organisation	Centre for Economic Development, Transport and the Environment
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This is a parent project encompassing the following projects	Kuuskoski-Fishway

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The Koskenkylänjoki River is located in south-east of Finland and it runs into The Gulf of Finland. The River was restored year 2006. Restorations were done as the aim of improving the River for migratory fish. Nature-like fishways were constructed and breeding habitats were created by adding stone and grave material into the river bed.

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Location: 60° 29' 28.00" N, 25° 56' 28.60" E

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Catchment and subcatchment Select a catchment/subcatchment Edit the catchment and subcatchment details (affects all case studies in this subcatchment) Catchment River basin district Koskenkylänjoki River Basin River basin Subcatchment River name Koskenkylänjoki River Area category 100 - 1000 km² Area (km2) 895 km²89,500 ha <br /> Maximum altitude category Maximum altitude (m) Dominant geology Organic Ecoregion Fenno-Scandian Shield Dominant land cover Waterbody ID Site Edit site Name Catchment of Koskenkylänjoki River WFD water body codes WFD (national) typology 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 Peat River corridor land use Intensive agriculture (arable) 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 2006/01/01 Works started Works completed 2012/01/01 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 Fish: Abundance Physico-chemical Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications Creation of fish passes 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