Table 1.
Mean, and maximum and minimum values, for 12 physicochemical parameters for the 88 sampling sites in the rivers on 15 February 2018. Abbreviations are, Temp water temperature, TN total nitrogen, DTN dissolved total nitrogen, NH4+ ammonium, NO2− nitrite, NO3− nitrate, TP total phosphorus, DTP dissolved total phosphorus, PO4+ orthophosphate, CODMn Chemical Oxygen Demand, BA Bacterial abundance
| Physicochemical parameters | mean | range |
|---|---|---|
| Temp (°C) | 5.80 | 2.10-12.64 |
| pH | 8.56 | 7.60–9.66 |
| TN (mg L− 1) | 4.00 | 1.24–18.80 |
| DTN (mg L− 1) | 3.67 | 0.62–17.12 |
| TP (mg L− 1) | 0.22 | 0.03–1.47 |
| DTP (mg L− 1) | 0.15 | 0.01–2.57 |
| NH4+ (mg L− 1) | 1.82 | 0.01–18.7 |
| PO4+ (mg L− 1) | 0.04 | 0-0.66 |
| NO3− (mg L− 1) | 1.75 | 0.05–7.98 |
| NO2− (mg L− 1) | 0.05 | 0.01–0.50 |
| CODMn (mg L− 1) | 5.02 | 1.43–16.71 |
| BA (cells mL− 1) | 1.55 × 106 | 1.52 × 104 − 3.86 × 107 |