| Biotic index/Site | St. 1 | St. 2 | St. 3 | St. 4 |
|---|---|---|---|---|
| Dominance index (DI) | 0.63 ± 0.29 | 0.53 ± 0.14 | 0.82 ± 0.16 | 0.58 ± 0.12 |
| Species diversity index (H') | 2.26 ± 0.12 | 2.74 ± 0.65 | 1.27 ± 0.52 | 2.76 ± 0.57 |
| Species richness index (R) | 2.01 ± 0.98 | 2.42 ± 1.00 | 1.09 ± 0.58 | 2.84 ± 0.92 |
| Evenness index (J) | 0.68 ± 0.22 | 0.75 ± 0.10 | 0.69 ± 0.21 | 0.81 ± 0.03 |
| Benthic Macroinvertebrate index (BMI) | 57.9 ± 25.4 | 54.6 ± 10.2 | 26.6 ± 2.00 | 54.0 ± 22.6 |
| C | C | E | C |