Table 2. Prevalence of three genera of haemosporidians in fifteen cattle egret colonies in central-western and southern Africa and environmental variables at these sites.
Environmental variables were extracted from WorldClim 1.4 database (http://www.worldclim.org): average temperature during sampling month, precipitation during sampling month and altitude of sampling sites.
| Country | Colony (Population) | N birds |
P-Infected birds |
Plasmodium Prevalence | H-Infected birds |
Haemoproteus Prevalence |
L- Infected birds |
Leucocytozoon Prevalence |
Average Temperature (°C) | Precipitation (d2) | Altitude (mt) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Senegal | Zoo Dakar | 51 | 30 | 0.588 | 0 | 0.000 | 0 | 0.000 | 27.65 | 124.00 | 9.0 |
| Senegal | Somone | 39 | 8 | 0.205 | 0 | 0.000 | 0 | 0.000 | 27.41 | 145.00 | 5.0 |
| Senegal | Thiés | 41 | 16 | 0.390 | 0 | 0.000 | 0 | 0.000 | 27.77 | 145.00 | 70.0 |
| Guinea-Bissau | Bandim | 53 | 11 | 0.208 | 2 | 0.038 | 1 | 0.019 | 26.37 | 358.00 | 22.0 |
| Guinea-Bissau | Atanque | 37 | 24 | 0.649 | 0 | 0.000 | 0 | 0.000 | 26.38 | 324.00 | 11.0 |
| Guinea-Bissau | Ilha do Patrão | 14 | 5 | 0.357 | 1 | 0.071 | 0 | 0.000 | 26.40 | 429.00 | 0.0 |
| Ghana | K. Lagoon | 31 | 12 | 0.387 | 0 | 0.000 | 0 | 0.000 | 27.13 | 80.00 | 23.0 |
| Ghana | Bansom | 34 | 5 | 0.147 | 0 | 0.000 | 0 | 0.000 | 25.56 | 211.00 | 103.0 |
| Nigeria | Fobour Kasa | 30 | 2 | 0.067 | 0 | 0.000 | 5 | 0.167 | 20.63 | 247.00 | 1,228.0 |
| Nigeria | Kurra Falls | 30 | 2 | 0.067 | 0 | 0.000 | 4 | 0.133 | 20.05 | 245.00 | 1,299.0 |
| Nigeria | Fusa | 30 | 8 | 0.267 | 0 | 0.000 | 3 | 0.100 | 20.00 | 252.00 | 1,303.0 |
| Nigeria | Toro | 30 | 1 | 0.033 | 1 | 0.033 | 11 | 0.367 | 22.05 | 244.00 | 937.0 |
| South Africa | Paarl | 29 | 4 | 0.138 | 1 | 0.034 | 5 | 0.172 | 17.72 | 39.00 | 97.0 |
| South Africa | Boschenmeer | 30 | 4 | 0.133 | 0 | 0.000 | 0 | 0.000 | 17.27 | 45.00 | 128.0 |
| South Africa | Rondevlei | 30 | 2 | 0.067 | 1 | 0.033 | 0 | 0.000 | 18.70 | 18.00 | 5.0 |