Table 2 Investigated mosquito breeding sites (n = 73) in rice-growing communities, western Tajikistan, September 2007
From: History of malaria control in Tajikistan and rapid malaria appraisal in an agro-ecological setting
Parameter | Number (%) |
|---|---|
Total | 73 (100.0) |
Habitat type | |
Rice paddy | 48 (65.8) |
Phenological stage "panicle differentiation – pollinisation" | 13 (28.3) |
Phenological stage "panicle extruding and maturation" | 32 (69.6) |
Phenological stage "idle plot" | 1 (2.2) |
Creek, source | 9 (12.3) |
Irrigation canal/drain | 8 (11.0 |
Man-made pond (watering place) | 8 (11.0) |
Physical parameters | |
Perimeter | |
< 1 m | 11 (15.1) |
1–10 m | 3 (4.1) |
> 10 m | 59 (80.8) |
Water movement | |
Stagnant | 71 (97.3) |
Flowing | 2 (2.7) |
Turbidity | |
Transparenta | 56 (76.7) |
Turbidb | 17 (23.3) |
Sunlight | |
Shade: 1–10% | 34 (46.6) |
Shade: 11–50% | 14 (19.2) |
Shade: > 50% | 25 (34.3) |
Biological parameters | |
Presence of vegetation | 44 (60.3) |
Herbs/grass | 32 (43.8) |
Algae | 26 (35.6) |
Floating vegetation | 9 (12.3) |
Potential predators | |
All predators | 45 (61.6) |
Backswimmers/water insects | 21 (28.8) |
Dragonfly larvae | 21 (28.8) |
Water snails | 12 (16.4) |
Larvivorious fish Gambusia spp | 7 (9.6) |