Table 2.
Snail abundance and water parameters for each sampling site
| Site* | Snail species | No. of snails found | Temperature (°C) | Conductivity (µs/cm) | pH | Oxygen (mg/L) | Turbidity (FNU) | |
|---|---|---|---|---|---|---|---|---|
| Sampling sites where snails were present | ||||||||
| Ounianga Kebir | ||||||||
| Yoa (Girki) | 1* | No host snail species | 0 | 17.5 | 1054.0 | 6.8 | 2.7 | 1.3 |
| 2* | B. truncatus | 28 | 14.5 | 1046.0 | 6.9 | 4.1 | 2.5 | |
| R. natalensis | 6 | |||||||
| Yoa (source 2) | 3* | R. natalensis | 19 | 22.7 | 1941.0 | 7.1 | 3.2 | 1.9 |
| 4* | R. natalensis | 7 | 22.8 | 2.56 | 7.0 | 3.0 | 3.7 | |
| Ounianga Serir | ||||||||
| Agouta | R. natalensis | 7 | 14.5 | 8.0 | 8.3 | 4.9 | 3.5 | |
| Djara | B. truncatus | 4 | 19.7 | 6.0 | 8.5 | 6.6 | 2.4 | |
| Boku | B. truncatus | 6 | 20.8 | 1524.0 | 8.8 | 8.8 | 5.9 | |
| R. natalensis | 3 | |||||||
| Bedrim | No host snails species | 0 | 18.7 | 7.3 | 8.4 | 5.2 | 3.0 | |
| Sampling sites where no snails were present | ||||||||
| Ounianga Kebir | ||||||||
| Yoa 5 (hot source) | 28.4 | 2.8 | 7.0 | 2.9 | 4.9 | |||
| Yoa 6 (hot source) | 27.7 | 2107.0 | 7.4 | 3.2 | 16.3 | |||
| Yoa 7 (lake) | 14.4 | 290.0 | 10.3 | 1.1 | 158.0 | |||
| Uma red | 27.5 | > 2000.0 | 10.1 | 14.2 | 85.8 | |||
| Uma blue | 18.6 | > 2000.0 | 10.5 | 15.0 | 118.0 | |||
| Uma (hot spring) | 28.2 | 4.0 | 9.1 | 3.6 | 14.9 | |||
| Forodone | 19.1 | 31.1 | 9.8 | 2.0 | > 1000.0 | |||
| Ounianga Serir | ||||||||
| Telli | 21.3 | 13.7 | 10.7 | 2.7 | 4.5 | |||
| Edem | 14.1 | 3.5 | 8.7 | 8.3 | 1.0 | |||
*All sampling sites are shown in Fig. 2