Table 2.
Summary of ambient temperature and humidity, and overall mosquito breeding site water parameters across the four study locations.
| Ecological zone and study location | Terai Chitwan (urban) ≤ 200 m | Hills Kathmandu (urban) 1300-1400 m | Hills Bhaktapur (rural) 1300-1400 m | Mountain Lalitpur (rural) > 1600 m | Overall | p-value between locations (row) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Measure | Mean (SE) | No. of sites | Mean (SE) | No. of sites | Mean (SE) | No. of sites | Mean (SE) | No. of sites | Mean (SE) | No. of sites | |
| Household (HH) level | |||||||||||
| 21 HH | 23 HH | 20 HH | 19 HH | 83 HH | |||||||
| Ambient temperature | 31.5a (0.4) | 29.6 (0.3) | 29.8 (0.4) | 30.4 (0.3) | 30.3 (0.2) | p = 0.002* | |||||
| Ambient humidity | 80.7b (1.5) | 63.1 (1.2) | 71.2c (1.3) | 63.1 (1.2) | 68.6 (0.8) | p < 0.001** | |||||
| Breeding site (BS) level | |||||||||||
| 36 BS | 50 BS | 38 BS | 47 BS | 171 BS | |||||||
| Thermometer water temperature | 28.0b (0.3) | 24.4 (0.2) | 24.7 (0.4) | 24.3 (0.4) | 25.2 (0.2) | p < 0.001** | |||||
| Thermal camera water temperature | 27.2b (0.5) | 23.2 (0.4) | 23.5 (0.5) | 23.4 (0.5) | 24.2 (0.3) | p < 0.001** | |||||
| Total dissolved solids (TDS) | 199.0 (49.1) | 269.5 (53.7) | 514.5 (191.9) | 362.9 (147.8) | 334.8 (61.9) | p = 0.354 | |||||
| pH | 7.5 (0.1) | 7.9 (0.9) | 9.8 (1.8) | 7.9 (0.1) | 8.2 (0.4) | p = 0.256 | |||||
| Salinity | 0.016 (0.004) | 0.035 (0.009) | 0.045 (0.02) | 0.033 (0.02) | 0.033 (0.007) | p = 0.610 | |||||
| Dissolved oxygen (DO) | 3.54d (0.1) | 3.02 (0.1) | 3.80e (0.2) | 2.86 (0.1) | 3.26 (0.8) | p < 0.001** | |||||
*Significant at the 0.05 level.
**Significant at the 0.01 level.
Summary of Tukey (HSD) tests.
aChitwan measurements significantly higher than Kathmandu (p = 0.002) and Bhaktapur (p = 0.01)
bChitwan measurements significantly higher than Kathmandu, Bhaktapur and Lalitpur (p < 0.001)
cBhaktapur measurements significantly higher than Kathmandu and Lalitpur (p < 0.001)
dChitwan measurements significantly higher than Lalitpur (p < 0.001)
eBhaktapur measurements significantly higher than Kathmandu (p < 0.001) and Lalitpur (p < 0.001)