Abstract
A study was carried out on 20 water bodies of the same origin in southern Poland. The study objectives included the assessment of toxic metal contamination in the bottom sediments of the water bodies in comparison with the geochemical background and sediments found in the substrate (i.e., vicinity) of the water bodies (i.e., the formations present in the surroundings of the water body itself), thus demonstrating the scale of anthropogenic enrichment of bottom sediments with toxic metals and assessing the cumulative impact on water bodies. The following amounts of toxic metals were found in the bottom sediments of the water bodies examined: 181.7–35200.0 ppm for zinc, 33.3–1648.8 ppm for lead, 1.8–359 ppm for cadmium, 14.0–271.5 ppm for copper, 45.3–167.5 ppm for chromium, and 12–128.5 ppm for nickel. Ratios of the values measured to the geochemical background were as follows: 0.7–135.9 (Zn), 0.6–53.0 (Pb), 0.7–143.6 (Cd), 0.9–18.1 (Cu), 5.0–18.6 (Cr), 1.1–11.7 (Ni).
Published Version
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