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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