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