Parameters | Seasons | ||||||
Winter | Spring | Summer | Autumn | Average | F | P | |
pH | 7.75 ± 0.23 | 7.75 ± 0.10 | 8.02 ± 0.21 | 7.08 ± 0.22 | 7.65 ± 0.4 | 23.9 | <0.001 |
Temperature (˚C) | 17.33 ± 1.11 | 19.15 ± 0.31 | 22.05 ± 0.53 | 18.95 ± 0.52 | 19.37 ± 2 | 48.66 | <0.001 |
Conductivity (µS/cm) | 275.17 ± 2.93 | 288 ± 4.05 | 291 ± 2.61 | 238.33 ± 4.32 | 273 ± 24.2 | 278.45 | <0.001 |
Secchi depth (cm) | 50.67 ± 9.01 | 48.42 ± 8.04 | 54.5 ± 3.39 | 55.75 ± 5.38 | 52.33 ± 3.4 | 1.48 | 0.249 |
Chloride (mg/L) | 21.06 ± 2.76 | 23.07 ± 1.60 | 25.56 ± 2.25 | 31.68 ± 5.21 | 25.35 ± 4.60 | 12.04 | <0.001 |
Free CO2 (mg/L) | 16.57 ± 1.71 | 16.68 ± 5.27 | 5.79 ± 1.01 | 18.47 ± 3.27 | 14.38 ± 5.8 | 18.95 | <0.001 |
Total alkalinity (mg/L as CaCO3) | 168.33 ± 6.06 | 170.42 ± 6.21 | 160 ± 8.94 | 161.48 ± 4.91 | 165.06 ± 5.1 | 3.47 | 0.354 |
Total hardness (mg/L as CaCO3) | 124 ± 4.00 | 138.5 ± 4.64 | 131.17 ± 3.13 | 96.27 ± 3.85 | 122.48 ± 18.45 | 131.65 | <0.001 |
DO (mg/L) | 10.11 ± 0.37 | 4.96 ± 0.51 | 8.89 ± 0.87 | 5.27 ± 0.59 | 7.31 ± 2.6 | 106.1 | <0.001 |
Nitrate (mg/L) | 0.03 ± 0.009 | 0.05 ± 0.004 | 0.06 ± 0.008 | 0.04 ± 0.015 | 0.05 ± 0.01 | 6.05 | 0.004 |
Phosphate (mg/L) | 0.05 ± 0.002 | 0.13 ± 0.06 | 0.12 ± 0.009 | 0.12 ± 0.072 | 0.10 ± 0.04 | 3.99 | 0.022 |
Gross productivity (gC/M3/day) | 3.16 ± 0.75 | 2.44 ± 0.67 | 3.92 ± 0.18 | 3.13 ± 2.01 | 3.16 ± 0.6 | 6.5 | 0.003 |
Net productivity (gC/M3/day) | 1.71 ± 0.38 | 1.55 ± 0.78 | 1.58 ± 0.17 | 2.01 ± 0.39 | 1.71 ± 0.21 | 1.12 | 0.364 |