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Table 1 Upstream to downstream

From: Ecology of urban malaria vectors in Niamey, Republic of Niger

  Anopheles Culicinae
n Mean SD n Mean SD
Upstream 936 8.43 24.99 423 3.81 15.93
City 971 3.71 12.54 3723 14.21 62.60
Downstream 527 2.25 4.68 1837 7.85 23.16
  1. Anopheles and Culicinae aquatic stages collected according to the situation of sites along the river stream. Data show mean, standard deviation and number of collection events (one per site and sampling time)