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Table 2 Distribution of positive habitats for Anopheles mosquitoes and Anopheles larval density* and habitat productivity* in Kakuma refugee camp by season and habitat type

From: Malaria in Kakuma refugee camp, Turkana, Kenya: facilitation of Anopheles arabiensis vector populations by installed water distribution and catchment systems

  Dry Season Survey Wet Season Survey
Habitat type No of Habitats sampled % with larvae Total larvae (larva density) Habitat productivity No of Habitats sampled % with larvae Total larvae (larva density) Habitat productivity
Soil-lined tap-stand pit 46 32.6 216 (0.496) 0.21 44 61.4 764 (3.331) 2.63
Cemented tap-stand pit 30 6.7 9 (0.005) 0.05 34 26.5 167 (0.970) 0.76
Drainage channel 10 30.0 70 (0.414) 0.30 23 73.9 239 (2.000) 1.26
Run off 7 42.9 39 (1.280) 0.20 13 46.2 205 (4.136) 3.17
Roadside puddles - - - - 5 100.0 115 (6.027) 5.43
Stream bed - - - - 1 100.0 7 (0.700) 0.6
Tire track - - - - 6 100.0 292 (12.383) 7.86
TOTAL 93 24.7 334 (0.402) 0.02 126 56.3 1,789 (3.051) 2.23
  1. * Larval density is mean number of all larval stages/dip; while habitat productivity is mean number of the late immature stages (includes from 3rd instar to pupae/dip