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Table 1 Characteristics of breeding sites sampled in the cities of Douala and Yaoundé from October 2009 to December 2010

From: Anopheles gambiae distribution and insecticide resistance in the cities of Douala and Yaoundé (Cameroon): influence of urban agriculture and pollution

 

Number of Breeding sites sampled

BS with anopheline

BS with culex & anopheline

% BS with high larval density

% BS with larvivorous fishes

% BS less 3 m²

% BS < 10 m from the nearest inhabited house

% BS with vegetation

>70% of BS surface exposed to sunshine

Douala

         

Long rainy season(oct-nov 2009)

416

102 (24.5%)

12 (3%)

57.1%

0%

72.4%

73.7%

15.8%

67.7%

Long dry season

(feb - mar 2010)

100

29 (29%)

24 (24%)

2.6%

10.1%

51.3%

68.9%

47.9%

71.4%

Short rainy season(may - jun 2010)

126

79 (63%)

28 (22.2%)

20.8%

4.2%

59.2%

60%

45.8%

85.2%

Short dry season(aug-sept 2010)

146

95 (65%)

27 (18.5%)

16.8%

4.8%

40.4%

56.6%

37.7%

95.6%

Long dry season

(december 2010)

68

33 (48.5%)

18 (47.4%)

7.9%

10.7%

47.6%

9.5%

39.3%

79.8%

Yaoundé

         

Long rainy season(oct-nov 2009)

201

58 (28.9%)

18 (9%)

40%

2.4%

68.3%

41.4%

32.4%

77.4%

Long dry season

(feb - mar 2010)

115

40 (34.8%)

34 (29.6%)

0%

15%

57.5%

23%

45.1%

92.9%

Short rainy season(may - jun 2010)

173

81 (46.8%)

26 (15%)

12.3%

12%

45.7%

11%

57.2%

91.9%

Short dry season(aug-sept 2010)

117

40 (34%)

13 (11.1%)

5%

0.8%

70.9%

24.8%

9.4%

88.4%

Long dry season

(december 2010)

84

38 (45.2%)

14 (42.4%)

9%

11.8%

47%

47%

32.3%

66.2%

  1. BS: Breeding Sites