Abstract
In a number of aquatic bryophytes the accumulation of Ba and associated elements originating from barite zones in the Sowie Mts. in the Sudeten mountains in Poland was determined and up to (in μg g −1 dry plant weight) 12500 Al, 3510 Ba, 30 Cd, 469 Co, 13 Cr, 67 Cu, 52580 Fe, 216000 Mn, 17 Mo, 660 Ni, 215 Pb, 105 V and 2830 Zn was found. As aquatic bryophytes concentrate elements and integrate temporal fluctuations in water chemistry it was possible to recognize in this investigation the mean distribution over a longer period of concentrations of metals near the detection limit in streams, corresponding with the distribution pattern of the mineralization zones in the investigated area, while the water data did not allow for such a reconnaissance. Compared to other elements, the concentrations of Ba, Co and Ni in the majority of the bryophytes downstream of the barite mineralization zones were significantly higher (0.001 ≤ P ≤ 0.05) in comparison with the corresponding concentrations in bryophytes upstream of these zones.
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