The aim of the project is to obtain information on the long-term effects on fish caused by wastewater discharges from the Talvivaara mine in Sotkamo, because the accumulation of sediment heavy metal concentrations in fish is not necessarily a rapid process. Even though previous findings have shown that the fish are safe to eat, follow-up analyses are required in order to establish whether any changes in the concentrations have taken place over a longer monitoring period. The project is a continuation of a study launched in 2012 for analysing tissue alterations and concentrations of heavy metals in fish tissue possibly caused by the wastewater that has entered the bodies of water due to a gypsum pond leakage at the Talvivaara mine.
The project is aimed at obtaining information on the long-term effects on fish caused by wastewater discharges (heavy metals) from the Talvivaara mine.
A summary report will be drawn up by the end of 2015. Interim findings will be published in April - May and
November - December.
Talvivaara, heavy metals, wastewater discharges
Responsible project leader:
Korhonen, Pekka K., Researcher, Natural Resources Institute Finland (Luke), Natural Resources and Bioproduction
Person at Evira responsible for the project:
Venäläinen, Eija-Riitta, Senior Reseacher, Ph.D., Chemistry and Toxicology Research Unit
In cooperation with:
Year of commencement:
Year of completion:
A summary report by the end of 2015.
Project is financed by:
The Ministry of Agriculture and Forestry (1710/311/2014)
Evira's project code: