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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