Variable | Gereb Tsedo (ave. ± SD) | Elala (ave. ± SD) | Mariam Dahan (ave. ± SD) |
---|---|---|---|
Altitude (m) | 2071.6 ± 31.1 | 2011.5 ± 8.01 | 2062.6 ± 29.1 |
Water depth (cm) | 39.0 ± 30.4 | 44.3 ± 34.47 | 40.1 ± 29.7 |
River bed width (m) | 2.7 ± 1.6 | 3.5 ± 2.0 | 4.1 ± 3.0 |
Water transparency (Snell, cm) | 20.8 ± 10.2 | 19.73 ± 9.73 | 19.5 ± 10.3 |
pH | 7.4 ± 0.4 | 7.72 ± 0.28 | 7.5 ± 0.4 |
Conductivity (μS/cm) | 142.6 ± 17.4 | 115.1 ± 22.8 | 106.3 ± 4.1 |
Chlorophyll a (μg/l) | 57.3 ± 20.8 | 73.3 ± 26.2 | 62.2 ± 21.04 |
Oxygen (mg/L) | 5.4 ± 1.9 | 7.1 ± 2.2 | 5.3 ± 1.74 |
Temperature (°C) | 20.8 ± 1.7 | 21.5 + 3.5 | 21.3 ± 2.6 |
Water flow velocity(m/s) | 0.2 ± 0.1 | 0.127 ± 0.11 | 48.4 ± 34.0 |
% macrophyte coverage | 14.76 ± 16.17 | 18.36 ± 23.43 | 13.3 ± 8.1 |
% riparian coverage | 58.7 ± 29.0 | 33.4 + 31.5 | 48.4 ± 34.0 |