In the map viewer "Biogeochemistry, copper", the copper levels are reported in samples taken from starr plants in stream sheep. The aim is to describe how the metal load of copper in the watercourses varies within the country, and shows the natural presence of different metals in nature and the content of the metals released by human activity.
The variation in the metal load depends, on the one hand, on how much metals there are naturally in the area's soils and bedrock, and partly on how much metals have been dispersed in the area through air pollution or other emissions.
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Last reviewed 2021-09-02