Water quality indices (WQI) | Upstream (BF 1 - 4) | Downstream (BF 5 - 6) | Significance |
Taxonomic richness (SR) Biotic index: I.B.G.N Shannon-Weaner (H') Evenness Index (E) | 91 ± 29.5 (min60-max118) 16 ± 4.08 (12 - 20) 1.07 ± 0.08 (0.96 - 1.16) 0.55 ± 0.01 (0.54 - 0.57) | 16 ± 5.6 (min12-max20) 4.5 ± 2.12 (3 - 6) 0.65 ± 0.28 (0.45 - 0.85) 0.48 ± 0.16 (0.37 - 0.6) | P < 0.001 P < 0.001 P < 0.001 P < 0.001 |