Sediment parameter | River system | ANOVA | |||
---|---|---|---|---|---|
Obudu | Opa | Esinmirin | F | p | |
pH | 6.72 ± 0.78 | 6.59 ± 0.67 | 7.10 ± 0.40 | 1.165 | 0.364 |
EC (μS/cm) | 104.61 ± 23.53 | 162.21 ± 63.19 | 184.23 ± 29.33 | 10.64 | 0.007 |
Organic carbon (%) | 0.06 ± 0.02 | 0.07 ± 0.02 | 0.06 ± 0.02 | 0.213 | 0.813 |
NO3− (mg/L) | 2.01 ± 0.96 | 2.00 ± 1.61 | 1.62 ± 0.87 | 0.239 | 0.792 |
PO43− (mg/L) | 16.97 ± 11.24 | 15.37 ± 8.94 | 18.73 ± 4.87 | 0.263 | 0.776 |
SO42− (mg/L) | 39.63 ± 8.25 | 51.55 ± 16.49 | 49.60 ± 10.97 | 1.713 | 0.244 |