River basin | Dande/Ćcua | Bengo | Kwanza | Lucala | Cuije |
---|---|---|---|---|---|
Number of sites | 20 | 11 | 4 | 22 | 3 |
Altitude (m) | 232 (12ā762) | 17 (0ā31) | 14 (4ā21) | 220 (201ā1111) | 1045 (1038ā1051) |
Temperature (Ā°C) | 28.3 (25.4ā32.8) | 30.4 (27.8ā33.1) | 32.7 (30.9ā33.6) | 31.5 (22.5ā32.1) | 24.2 (22.1ā27.2) |
TDS (ppm) | 205 (42ā736) | 398 (138ā830) | 69 (59ā80) | 119 (26ā612) | 204 (156ā276) |
pH | 7.75 (6.96ā8.79) | 7.71 (6.88ā8.70) | 7.02 (6.54ā7.82) | 9.26 (6.85ā9.60) | 7.76 (7.07ā8.31) |
Conductivity (m/s) | 245 (59ā795) | 562 (194ā1171) | 96 (83ā112) | 159 (65ā860) | 288 (220ā397) |
Salinity (ppm) | 125 (33ā389) | 276 (95ā581) | 52 (46ā58) | 84 (35ā415) | 139 (106ā190) |
Average biodiversity (no.Ā of genera) | 1.35 (0ā4) | 3.27 (2ā5) | 3.25 (3ā4) | 1.5 (0ā2) | 3.3 (1ā5) |