Monitoring of environmental contaminants in freshwater food webs (Milfersk) 2025

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This report presents data from the fifth year of a five-year period for the Milfersk program in 2025.

In 2025, the monitoring program focused on the sampling and analysis of the pelagic food chain in Lake Mjøsa, encompassing the following sample types: zooplankton mainly epipelagic species, Mysis, vendace, E. smelt, and brown trout. Additionally, brown trout from the reference lake, Femunden, were collected.