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Sulphur and heavy metal deposition in northern Finland (= in Lapland) and the Kola Peninsulawere surveyed using Scots pine bark samples. Sulphur concentrations in bark close to the Kolasmelters were on an average twice as high as on the Finnish side of the border. The Cu and Niconcentrations near the smelters were almost 100-fold the mean values in northern Finland. Therewas a marked decrease in the...
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