Case study:Kuuskoski-Fishway

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Location: 60° 29' 58.74" N, 25° 56' 32.30" E

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Project overview

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Status	Complete
Project web site	http://www.ymparisto.fi/default.asp?contentid=202755
Themes	Fisheries, Habitat and biodiversity, Hydropower
Country	Finland
Main contact forename	Pasi
Main contact surname	Lempinen
Main contact user ID	User:Arolam
Contact organisation	Centre for Economic Development, Transport and the Environment
Contact organisation web site
Partner organisations
Parent multi-site project	Case_study:Restoration of Koskenkylänjoki River
This is a parent project encompassing the following projects	No

Kuuskoski fishway (photo:Pasi Lempinen)

Project summary

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Construction of Kuuskoski fishway was part of the Koskenkylänjoki River restoration project. In 20th century Koskenkylänjoki River was known for its sea trout population. Dams made it impossible for the migrants to rise up in the stream and population density of sea trout decreased radically. In 2008 the regional ELY-centre (environmental authority) launched a project during which a bypass for the migrants was built. The aim of the restoration was to promote the natural breeding of migratory whitefish, salmon and sea trout. The project was managed by The Centre for Economic Development, Transport and the Environment for Uusimaa (regional environmental authority) and financed by The European Fisheries Fund (EFF) and the state of Finland.

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Kuuskoski Torrent fishway (photo:Pasi Lempinen)

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 Koskenkylänjoki River BAsin Subcatchment River name Kuuskoski Torrent Area category Area (km2) Maximum altitude category Maximum altitude (m) Dominant geology Organic (i.e. Peat) Ecoregion Fenno-Scandian Shield Dominant land cover Intensive agriculture (arable) Waterbody ID Site Edit site Name Kuuskoski Torrent 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 Protected species present Invasive species present Species of interest 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 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 2008/01/01 Works started Works completed Project completed Total cost category 100 - 500 k€ Total cost (k€) 202 k€202,000 € <br /> Benefit to cost ratio Funding sources EU, State 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 Physico-chemical Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications Building of submerged weirs and pits, Introduction of gravel, 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 Fish Awaiting results Fish 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 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