Regressions factors

No. of fish size categories

Slope (b)

Determination coefficient

Correlation coefficient

Intercept

Sand particles

4

0.280

0.75

0.87

8.407

Synechocystis (Chroococcaceae)

4

0.040

0.54

0.72

1.634

Microcystis (Chroococcaceae)

4

0.170

0.54

0.74

2.337

Closterium (Desmidiaceae)

4

0.0174

0.063

0.25

5.077