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Table 1 Input variables used for habitat preference analysis with their mean, standard deviation (SD) and minimum and maximum values (range)

From: Physico-chemical and biological characterization of anopheline mosquito larval habitats (Diptera: Culicidae): implications for malaria control

Variables Unit Mean SD Range
Altitude Meter above sea level 1725 35 1655–1800
Area Hectare 0.65 0.9 0–7.8
Water depth Meter 0.37 0.2 0–1.42
Canopy cover % 6 15 0–100
Air temperature °C 27 3 19–39
Water temperature °C 24 3 16–34
pH - 7 0.6 5.4–10
Dissolved oxygen mg/l 4.7 2 0.47–10
Conductivity μS/cm 112 55 21–513
Total dissolved solid mg/l 106 77 15–425
Turbidity NTU 160 218 4–894
Alkalinity mg/l 58 33 0–250
Hardness mg/l 37 23 0–160
Nitrate mg/l 0.4 0.48 0–2.3
Ortho-phosphate mg/l 0.12 0.2 0–1.4
Permanency Temporary(1), semi-permanent(2), Permanent(3) N/A N/A N/A
Emergent plant cover Very low to very high 2 1.6 0–4
5 class (0–4)
Submerged plant Very low to very high 0 0.5 0–4
5 class (0–4)
Floating plant Very low to very high 0 0.5 0–4
5 class (0–4)
Habitat type 9 types (see Table 2) N/A N/A N/A
Substrate type Silt(1), sandy(2), gravel(3), artificial substrate(4) N/A N/A N/A
Land-use 9 types (See Figure 3) N/A N/A N/A
Fish Absence(0), presence(1) N/A N/A N/A
Invertebrate predators Abundance 28 42 0–232
Competitors Abundance 2.7 4 0–23
  1. N/A not applicable.