Kruskal–Wallis H test and Dunn test of comparison of physicochemical parameters in the Pra River Basin
| Parameters . | Kruskal–Wallis H-test (p-value) . | Comparison of significant variance . | Dunn test (p-value) . |
|---|---|---|---|
| pH | 0.197 | None | |
| Total suspended solids (TSS) | 0.938 | None | |
| Electrical conductivity (EC) | 0.566 | None | |
| Total dissolved solids (TDS) | 0.566 | None | |
| Total nitrogen (TN) | 0.010 | Birim–Offin | 0.02497 |
| Total phosphate (TP1) | 0.063 | None | |
| Total phosphorus (TP2) | 0.071 | None | |
| Nitrate nitrogen (N-NO3) | 0.861 | None | |
| Ammonia nitrogen (N-NH4+) | 0.047–0.05 | None | |
| Lead (Pb) | 6.64 × 10−6 | Birim–Offin | 9.93 × 10−4 |
| Offin–Pra | 8.50 × 10−6 | ||
| Mercury (Hg) | 0.009 | Offin–Pra | 0.019824 |
| Birim–Offin | 0.905091 | ||
| Arsenic (As) | 0.002 | Offin–Pra | 0.006984 |
| Birim–Offin | 0.001868 | ||
| Cadmium (Cd) | 9.49 × 10−6 | Offin–Pra | 4.12 × 10−4 |
| Birim–Offin | 2.67 × 10−5 | ||
| Copper (Cu) | 6.12 × 10−6 | Offin–Pra | 3.04 × 10−4 |
| Birim–Offin | 1.96 × 10−5 | ||
| Iron (Fe) | 0.0003 | Birim–Offin | 0.001258 |
| Offin–Pra | 0.001206 |
| Parameters . | Kruskal–Wallis H-test (p-value) . | Comparison of significant variance . | Dunn test (p-value) . |
|---|---|---|---|
| pH | 0.197 | None | |
| Total suspended solids (TSS) | 0.938 | None | |
| Electrical conductivity (EC) | 0.566 | None | |
| Total dissolved solids (TDS) | 0.566 | None | |
| Total nitrogen (TN) | 0.010 | Birim–Offin | 0.02497 |
| Total phosphate (TP1) | 0.063 | None | |
| Total phosphorus (TP2) | 0.071 | None | |
| Nitrate nitrogen (N-NO3) | 0.861 | None | |
| Ammonia nitrogen (N-NH4+) | 0.047–0.05 | None | |
| Lead (Pb) | 6.64 × 10−6 | Birim–Offin | 9.93 × 10−4 |
| Offin–Pra | 8.50 × 10−6 | ||
| Mercury (Hg) | 0.009 | Offin–Pra | 0.019824 |
| Birim–Offin | 0.905091 | ||
| Arsenic (As) | 0.002 | Offin–Pra | 0.006984 |
| Birim–Offin | 0.001868 | ||
| Cadmium (Cd) | 9.49 × 10−6 | Offin–Pra | 4.12 × 10−4 |
| Birim–Offin | 2.67 × 10−5 | ||
| Copper (Cu) | 6.12 × 10−6 | Offin–Pra | 3.04 × 10−4 |
| Birim–Offin | 1.96 × 10−5 | ||
| Iron (Fe) | 0.0003 | Birim–Offin | 0.001258 |
| Offin–Pra | 0.001206 |