Abstract
The aim of this study was to determine the pH and the concentration of calcium, potassium, magnesium, sodium sulphur, lead, nickel and cadmium in bark Pinus sylvestris L. and in soils, located in Bydgoszcz agglomeration, Poland. The activity of arylsulphatase and rhodanese taking part in trans-formation sulphur in soils were detected. Soils are contained natural content of sulphates or the soils had increased content but were not contaminated with this compound. The low content of lead, nickel and cadmium in pine bark reaction studied, there was a clear difference in contamination of both bark and soil with heavy metals. There was a correlation between the content of organic carbon and lead and nickel concentration in soils. The activity of rhodanese and arylsulphatase was not disturbed by the accumulation of sulphates or heavy metals. The analysis of the main components (PCA) showed that the content of potassium, sodium and magnesium in soils influenced the content of these elements in the pine bark.
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