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Table 4 Physicochemical parameters of the breeding sites in the rainy 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 12 30.86 ± 3.14 7.13 ± 0.10 2.19 ± 1.12 536.11 ± 329.18 0.13 ± 1.16 388.16 ± 235.13 240.16 ± 338.18 0.16 ± 0.07 1.13 ± 0.10
Tyres 14 27.15 ± 2.18 7.15 ± 0.12 2.10 ± 1.15 401.12 ± 296.12 0.11 ± 0.18 247.13 ± 190.18 33.16 ± 34.16 0.07 ± 0.03 0.12 ± 0.109
Vegetable farms 4 31.12 ± 5.12 6.15 ± 2.10 2.19 ± 0.15 525.1 ± 420.11 0.15 ± 0.17 364.15 ± 299.11 20.17 ± 26.19 0.06 ± 0.03 0.15 ± 1.14
Puddles 78 31.15 ± 3.10 8.19 ± 0.18 2.10 ± 1.13 302.14 ± 218.14 0.13 ± 0.19 184.12 ± 144.16 179.12 ± 220.14 0.12 ± 0.13 3.18 ± 1.14
Water containers for animals 1 25.1 9.13 2.15 540 0.1 447.1 109 0.2 0.19
Hoof imprints 2 32.15 ± 8.19 7.12 ± 0.17 2.19 ± 2.17 475 ± 200.11 0.15 ± 0.17 295.1 ± 87.11 562.1 ± 118.18 0.1 0.14 ± 0.19
Tin cans 1 28.1 9.14 0.1 922 0.1 507 38.12 0.05 0.13
Ponds 12 30.15 ± 3.14 7.16 ± 0.15 3.19 ± 1.12 350.16 ± 205.12 0.16 ± 0.11 224.14 ± 142.17 113.17 ± 163.18 0.22 ± 0.20 2.17 ± 0.10
Tyre tracks 11 30.1 ± 3.12 7.17 ± 0.15 2.15 ± 1.17 602.1 ± 520.17 0.17 ± 0.19 416.13 ± 392.17 255.18 ± 246.19 0.08 ± 0.03 0.16 ± 0.16
Swamps 2 30.1 ± 5.13 7.17 ± 0.17 7.19 ± 0.19 373.1 ± 111.19 0.15 ± 0.17 232.15 ± 79.17 39.13 ± 22.19 0.15 ± 0 1.12 ± 0.19
Pits 3 30.1 ± 0.18 7.16 ± 0.16 3.15 ± 1.18 603.16 ± 329.19 0.13 ± 0.15 377.15 ± 217.18 9.17 ± 1.19 0.55 ± 0.42 2.18 ± 1.14
Construction sites 1 27.1 8.15 3.12 220.1 0.1 139.1 17.18 0.03 4.11
  1. NTU Nephelometric turbidity units