The River Oulujoki migratory fish stocks ? developing management measures
Starting year
2011
End year
2015
Objectives of the project
The aim of this study is to analyse the effects of salmon smolt stocking site and time on the return rate of adult salmon to Merikoski fishway and on the catches in the Baltic Sea by conducting a large scale PIT- and T-anchor tagging on salmon smolts (10000 smolts tagged annually).
Participants
Responsible organization
Original organization
Riista- ja kalatalouden tutkimuslaitos
Persons
Orell Panu
Related organizations
Natural Resources Institute Finland
FORTUM OYJ
MINISTRY OF AGRICULTURE AND FORESTRY
Hämeen ELY-keskus
Energiateollisuuden ympäristöpooli ry
Results
Results and impact
Results of this study can be used in developing better release strategies of salmon smolts in the River Oulujoki and other regulated rivers. The information can be used by environment and fisheries administration, fish farming industry, hydropower companies and fishing right owners.
Other information
Keywords
Fishway, Istutukset, Kalatie, Merkkipalautus, Oulujoki, Pit-merkki, Pit-tag, River oulujoki, Smolt, Stocking, Tag returns, T-anchor tag, T-ankkurimerkki, Vaelluspoikanen