Table 2.
Physical and chemical characteristics of the water and sediments.
| Items | Range | Mean | SD |
|---|---|---|---|
| Water Characteristics | |||
| pH | 8.18–8.84 | 8.45 | 0.38 |
| Temperature (°C) (September) | 21.5–24.1 | 23.1 | 0.84 |
| Dissolved oxygen (mg/L) | 2.81–4.83 | 4.01 | 0.58 |
| Chl-a (mg/L) | 2.60–3.48 | 2.91 | 0.72 |
| Total N (mg/L) | 2.52–2.87 | 2.72 | 0.11 |
| Total P (mg/L) | 0.06–0.80 | 0.13 | 0.19 |
| Salinity (g/kg) | 0.23–0.44 | 0.33 | 0.16 |
| Secchi (m) | 0.35–1.10 | 0.81 | 0.32 |
| CODMn (mg/L) | 17.12–20.73 | 18.61 | 1.12 |
| Electric conductivity (ms/cm) | 8.19–9.78 | 9.14 | 0.53 |
| Sediment characteristics | |||
| Water content (%) | 45.4–71.3 | 63.6 | 11.7 |
| Clay (%) | 3.72–9.53 | 6.58 | 1.39 |
| Silt (%) | 62.6–86.1 | 76.1 | 9.38 |
| Sand (%) | 8.04–36.19 | 25.3 | 7.49 |
| Organic carbon (g/kg) | 6.84–23.5 | 14.9 | 8.61 |