Table 4 Distribution of mean levels of physicochemical parameters and mosquito larvae and pupae densities by breeding site type
Breeding site type categories (n) | Temperature (mean ± SD) | Tds (mean ± SD) | pH (mean ± SD) | Salinity (mean ± SD) | Conductivity (mean ± SD) | Anopheles (mean ± SD) | Culex (mean ± SD) | Pupae (mean ± SD) |
|---|---|---|---|---|---|---|---|---|
(i) Rain water collections (7) | 33.0 ± 4.7 | 558.3 ± 260.8 | 8.0 ± 0.5 | 464.8 ± 248.8 | 653.9 ± 311.5 | 11.0 ± 9.7 | 15.6 ± 13.0 | 8.0 ± 7.1 |
(ii) Road side water collections and road potholes (4) | 32.2 ± 5.8 | 323.9 ± 245.0 | 8.8 ± 1.6 | 279.6 ± 201.1 | 454.9 ± 370.8 | 13.0 ± 14.0 | 21.6 ± 19.6 | 10.5 ± 12.6 |
(iii) Rice fields and animal hoof prints (4) | 35.2 ± 3.2 | 633.1 ± 143.4 | 8.5 ± 1.1 | 520.6 ± 140.6 | 945.3 ± 265.2 | 10.0 ± 7.4 | 1.6 ± 1.9 | 3.1 ± 2.3 |
(iv) Swampy areas (10) | 32.8 ± 4.7 | 529.1 ± 278.4 | 8.1 ± 0.8 | 428.9 ± 242.1 | 770.1 ± 409.1 | 10.0 ± 6.9 | 10.4 ± 8.6 | 4.1 ± 4.8 |
(v) Pond water reservoirs (3) | 41.9 ± 0.8 | 990.0 ± 550.7 | 8.3 ± 0.0 | 809.2 ± 453.9 | 1336.0 ± 738.1 | 3.5 ± 2.8 | 0.9 ± 0.9 | 0.8 ± 0.7 |
(vi) Small ponds and water collections on the sides of the bridges (3) | 28.7 ± 2.6 | 249.3 ± 103.9 | 8.5 ± 0.1 | 176.0 ± 58.8 | 335.7 ± 117.1 | 7.1 ± 12.3 | 9.3 ± 15.2 | 5.2 ± 8.9 |