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Table 2
The significance of differences in the values of physicochemical parameters and heavy metal concentrations of the water between the studied stations of the Biała Tarnowska River (Kruskal–Wallis test, the value“p” for multiple comparisons). Only significant differences are given.
| Parameter | The value of statistics | Stations |
|---|---|---|
| Conductivity | H9;111 = 76.08; p = 0.0000 | 6–10 > 1 |
| 7–10 > 2–4 | ||
| 9–10 > 5 | ||
| Cl− | H9;111 = 78.58; p = 0.0000 | 5–10 > 1 |
| 7–10 > 2, 3 | ||
| 10 > 4 | ||
| HCO3− | H9;111 = 39.75; p = 0.0000 | 7–10 > 1 |
| 9–10 > 2 | ||
| SO42− | H9;111 = 82.93; p = 0.0000 | 6–10 > 1 |
| 7–10 > 2, 3, 5 | ||
| 8–10 > 4 | ||
| Na+ | H9;100 = 60.81; p = 0.0000 | 6–10 > 1 |
| 8–10 > 3 | ||
| 9, 10 > 4 | ||
| K+ | H9,100 = 58.60; p = 0.0000 | 5–10 > 1 |
| 6–8 > 2 | ||
| 6, 8 > 3 | ||
| Ca2+ | H9;100 = 64.07; p = 0.0000 | 6–10 > 1 |
| 8–10 > 2, 3 | ||
| 7–10 > 4 | ||
| 9 > 5 | ||
| Mg2+ | H9;100 = 71.12; p = 0.0000 | 6–10 > 1 |
| 7–10 > 2–4 | ||
| NO3− | H9;111 = 31.20; p = 0.0003 | 7, 8, 10 > 1 |
| NH4+ | H9;111 = 32.48; p = 0.0002 | 9, 10 > 1–3 |
| Mn | H9;110 = 64.77; p = 0.0000 | 9, 10 > 1–6 |
| 7, 8 > 2, 3 | ||
| Fe | H9;109 = 33.33; p = 0.0001 | 7, 9, 10 > 3 |
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