Table 5.
Average physicochemical parameters at different mosquito larvae habitats along Mara River basin
| Habitats (No. of sites) | DO (mg/L) | pH | Alkalinity (mg/L) | Hardness (mg/L) | Turbidity (NTU) | Conductivity (μS/cm) | Temperature (°C) | Salinity (mg/L) |
|---|---|---|---|---|---|---|---|---|
| Dam | 4.7 ± 1.8 | 8.1 ± 0.4 | 100 ± 62.4 | 87.7 ± 56.2 | 96.9 ± 142.0 | 269.8 ± 213.8 | 24.4 ± 1.9 | 0.0 ± 0.0 |
| Stream | 5.3 ± 1.6 | 8.1 ± 0.6 | 126.2 ± 26.5 | 102.4 ± 68.9 | 124.3 ± 152.6 | 290 ± 186.5 | 22.5 ± 2.1 | 0.0 ± 0.0 |
| Swamp | 2.4 ± 2.7 | 7.0 ± 1.3 | 244.5 ± 274.6 | 58.5 ± 46.7 | 142.2 ± 108.5 | 174.3 ± 59.2 | 23.2 ± 4.9 | <0.1 |
| Drainage | 4.3 ± 3.8 | 7.3 ± 0.5 | 400 ± 282.8 | 372 ± 393.2 | 144.8 ± 84.3 | 168.5 ± 13.4 | 24.2 ± 0.7 | 0.0 ± 0.0 |
| Rock pool | 6.0 ± 0.7 | 7.1 ± 0.8 | 153 ± 60.8 | 127 ± 69.3 | 542.6 ± 2.3* | 368.0 ± 125.9* | 26.2 ± 3.4 | 0.0 ± 0.0 |
| Puddles | 5.6 ± 0.8 | 8.2 ± 0.5 | 104 ± 103.0 | 188 ± 247.7 | 95.2 ± 131.9 | 168.8 ± 87.3 | 25.2 ± 2.3 | 0.0 ± 0.0 |
| Spring | 4.0 ± 0.3 | 8.3 ± 0.6 | 124 ± 113.2 | 183 ± 148.4 | 134.5 ± 121.7 | 155.7 ± 88.4 | 26.3 ± 2.2 | 0.0 ± 0.0 |
| River | 6.4 ± 0.7 | 7.3 ± 0.4 | 100 ± 199.2 | 178 ± 228.8 | 135.2 ± 142.4 | 144.5 ± 97.6 | 19.7 ± 2.3 | 0.0 ± 0.0 |
*There were highly elevated levels of turbidity and conductivity in rock pools, probably due to accumulation of dissolved particles