Table 5.
Physicochemical characteristics of all study sites presented as mean and coefficient of variation (CV)
| Altitude/Site | Parameter | Temperature (°C) | Width (m) | Depth (m) | Velocity (m/s) | Conductivity (mS/cm) | Do (mg/l) | pH | Discharge (m3/s) | |
|---|---|---|---|---|---|---|---|---|---|---|
| Low altitudes | E1 | mean | 25.03 | 0.89 | 0.14 | 0.42 | 0.15 | 4.84 | 6.51 | 0.07 |
| CV | 4.89 | 106.67 | 47.46 | 14.73 | 19.77 | 76.62 | 10.8 | 157.53 | ||
| E2 | mean | 24.13 | 5.38 | 0.18 | 0.47 | 0.20 | 5.54 | 6.79 | 0.47 | |
| CV | 3.12 | 16.83 | 31.99 | 27.11 | 18.72 | 68.29 | 8.88 | 55.1 | ||
| E3 | mean | 24.26 | 5.7 | 0.16 | 0.44 | 0.18 | 5.67 | 6.93 | 0.41 | |
| CV | 11.24 | 28.31 | 42.37 | 21.51 | 23.96 | 71.67 | 12.39 | 73.48 | ||
| E4 | mean | 22.55 | 3.15 | 0.19 | 0.65 | 0.14 | 5.37 | 6.99 | 0.36 | |
| CV | 5.09 | 49.38 | 39.05 | 32.43 | 11.39 | 53.42 | 11.00 | 61.65 | ||
| E5 | mean | 23.92 | 0.61 | 0.12 | 0.59 | 0.44 | 5.94 | 6.85 | 0.04 | |
| CV | 4.12 | 30.35 | 34.65 | 21.93 | 16.23 | 33.45 | 9.65 | 52.67 | ||
| E6 | mean | 23.39 | 0.88 | 0.1 | 0.52 | 0.45 | 5.84 | 7.21 | 0.05 | |
| CV | 5.33 | 30.8 | 59.13 | 30.36 | 21.99 | 30.43 | 8.08 | 78.22 | ||
| Middle altitudes | E7 | mean | 21.68 | 1.64 | 0.22 | 0.53 | 0.34 | 5.54 | 7.31 | 0.23 |
| CV | 5.91 | 38.3 | 66.78 | 17.85 | 18.73 | 39.59 | 6.62 | 130.2 | ||
| E8 | mean | 21.55 | 0.52 | 0.05 | 0.34 | 0.60 | 5.48 | 7.34 | 0.01 | |
| CV | 4.09 | 38.99 | 29.14 | 23.56 | 13.75 | 38.92 | 7.12 | 53.62 | ||
| E9 | mean | 20.21 | 1.81 | 0.14 | 0.52 | 0.33 | 6.35 | 7.24 | 0.15 | |
| CV | 5.15 | 50.59 | 41.25 | 31.59 | 14.7 | 35.53 | 7.80 | 84.73 | ||
| E10 | mean | 20.42 | 0.93 | 0.14 | 0.38 | 0.25 | 7.52 | 7.52 | 0.07 | |
| CV | 2.98 | 61.12 | 44.8 | 6.00 | 50.00 | 7.63 | 5.13 | 73.4 | ||
| E11 | mean | 19.36 | 0.37 | 0.09 | 0.35 | 0.43 | 5.18 | 7.06 | 0.01 | |
| CV | 3.97 | 57.45 | 88.63 | 23.1 | 25.51 | 43.15 | 8.04 | 116.13 | ||
| High altitudes | E12 | mean | 17.71 | 0.56 | 0.09 | 0.34 | 0.17 | 3.89 | 7.00 | 0.02 |
| CV | 5.69 | 38.44 | 41.64 | 24.44 | 49.45 | 59.67 | 8.67 | 75.36 | ||
| E13 | mean | 18.65 | 3.07 | 0.07 | 0.67 | 0.53 | 6.27 | 7.19 | 0.16 | |
| CV | 6.46 | 49.6 | 103.01 | 23.95 | 24.91 | 29.87 | 12.35 | 134.23 | ||
| E14 | mean | 18.34 | 0.73 | 0.05 | 0.39 | 0.23 | 6.49 | 6.72 | 0.01 | |
| CV | 4.13 | 15.05 | 34.01 | 42.18 | 18.2 | 18.95 | 11.36 | 54.31 | ||
| E15 | mean | 17.22 | 3.17 | 0.22 | 0.54 | 0.18 | 5.94 | 6.79 | 0.37 | |
| CV | 4.93 | 20.22 | 24.45 | 25.36 | 33.85 | 34.93 | 9.76 | 50.13 | ||
| E16 | mean | 17.9 | 1.03 | 0.15 | 0.42 | 0.33 | 5.66 | 6.65 | 0.09 | |
| CV | 6.72 | 127.76 | 43.18 | 28.77 | 51.06 | 32.39 | 10.53 | 194.76 | ||
| E17 | mean | 17.99 | 0.62 | 0.14 | 0.33 | 0.18 | 5.23 | 6.56 | 0.02 | |
| CV | 6.57 | 37.14 | 174.22 | 36.32 | 33.86 | 42.58 | 9.21 | 117.08 | ||
| E18 | mean | 17.39 | 1.35 | 0.06 | 0.37 | 0.71 | 4.31 | 6.49 | 0.03 | |
| CV | 8.09 | 129.59 | 38.68 | 69.16 | 93.68 | 61.94 | 8.78 | 154.23 | ||