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Table 5 Physicochemical parameters of the breeding sites in the dry season

From: Diversity of larval habitats of Anopheles mosquitoes in urban areas of Benin and influence of their physicochemical and bacteriological characteristics on larval density

Breeding sites n Physicochemical parameters Depth (m) Area (m2)
Temperature (°C) pH Dissolved oxygen (mg/L) Conductivity (μS/cm) Salinity (g/L) TDS (p.p.m.) Turbidity (NTU)
Gutters 10 30.6 ± 2.12 8.10 ± 0.11 2.11 ± 1.1 583.1 ± 179.1 0.14 ± 0.17 203.1 ± 193.1 24.13 ± 4.13 0.11 ± 0.16 1.16 ± 1.16
Tyres 3 31.1 ± 2.14 8.15 ± 0.12 0.19 ± 1.1 285.18 ± 333.1 0.19 ± 0.11 182.1 ± 137.1 17.18 ± 13.10 0.06 ± 0.001 0.12 ± 0.107
Vegetable farms 5 29.1 ± 1.14 8.18 ± 0.19 2.15 ± 2.12 621.1 ± 290.1 0.12 ± 0.18 307.1 ± 261.1 10.10 ± 6.18 0.16 ± 0.16 2.18 ± 1.18
Puddles 6 31.1 ± 10.1 7.11 ± 0.18 1.10 ± 1.18 267.1 ± 214.1 0.12 ± 0.15 187.1 ± 98.1 106.10 ± 154.17 0.15 ± 0.07 2.15 ± 0.19
Tyre tracks 2 35.1 ± 1.13 7.15 ± 0.14 1.19 ± 1.15 791.1 ± 415.14 0.1 ± 0.17 316.1 ± 211.1 75.15 ± 18.11 0.08 ± 0.02 0.1 ± 0.12
Hollow bricks 1 31.1 6.19 2.14 333 0.1 233.1 36.16 0.10 0.15
Flowerpots 1 29.1 7.13 1.1 137.1 0.1 100.1 6.12 0.10 0.17
Under bridges 3 30.16 ± 1.10 7.11 ± 0.18 1.15 ± 1.11 523.1 ± 197.1 0.12 ± 0.11 404.1 ± 113.1 35.17 ± 20.19 0.50 ± 0.45 7.13 ± 0.10
Swamps 2 32.1 ± 0.11 7.11 ± 0.17 1.12 ± 0.19 453.1 ± 250.1 0.1 ± 0 185.1 195.16 ± 17.17 0.25 ± 0.07 12.16 ± 1.16
Pits 2 34.1 ± 3.11 7.18 ± 1.11 1.14 ± 0.11 381.1 ± 127.1 0.15 ± 0.17 243.1 ± 114.1 33.16 ± 26.11 0.25 ± 0.07 5.13 ± 7.13