Skip to main content

Advertisement

Table 5 Physicochemical characteristics of all study sites presented as mean and coefficient of variation (CV)

From: Distribution pattern of black fly (Diptera: Simuliidae) assemblages along an altitudinal gradient in Peninsular Malaysia

Altitude/Site Parameter Temperature (°C) Width (m) Depth (m) Velocity (m/s) Conductivity (mS/cm) Do (mg/l) pH Discharge (m3/s)
Low altitudes E1 mean 25.03 0.89 0.14 0.42 0.15 4.84 6.51 0.07
  CV 4.89 106.67 47.46 14.73 19.77 76.62 10.8 157.53
E2 mean 24.13 5.38 0.18 0.47 0.20 5.54 6.79 0.47
  CV 3.12 16.83 31.99 27.11 18.72 68.29 8.88 55.1
E3 mean 24.26 5.7 0.16 0.44 0.18 5.67 6.93 0.41
  CV 11.24 28.31 42.37 21.51 23.96 71.67 12.39 73.48
E4 mean 22.55 3.15 0.19 0.65 0.14 5.37 6.99 0.36
  CV 5.09 49.38 39.05 32.43 11.39 53.42 11.00 61.65
E5 mean 23.92 0.61 0.12 0.59 0.44 5.94 6.85 0.04
  CV 4.12 30.35 34.65 21.93 16.23 33.45 9.65 52.67
E6 mean 23.39 0.88 0.1 0.52 0.45 5.84 7.21 0.05
   CV 5.33 30.8 59.13 30.36 21.99 30.43 8.08 78.22
Middle altitudes E7 mean 21.68 1.64 0.22 0.53 0.34 5.54 7.31 0.23
  CV 5.91 38.3 66.78 17.85 18.73 39.59 6.62 130.2
E8 mean 21.55 0.52 0.05 0.34 0.60 5.48 7.34 0.01
  CV 4.09 38.99 29.14 23.56 13.75 38.92 7.12 53.62
E9 mean 20.21 1.81 0.14 0.52 0.33 6.35 7.24 0.15
  CV 5.15 50.59 41.25 31.59 14.7 35.53 7.80 84.73
E10 mean 20.42 0.93 0.14 0.38 0.25 7.52 7.52 0.07
  CV 2.98 61.12 44.8 6.00 50.00 7.63 5.13 73.4
E11 mean 19.36 0.37 0.09 0.35 0.43 5.18 7.06 0.01
   CV 3.97 57.45 88.63 23.1 25.51 43.15 8.04 116.13
High altitudes E12 mean 17.71 0.56 0.09 0.34 0.17 3.89 7.00 0.02
  CV 5.69 38.44 41.64 24.44 49.45 59.67 8.67 75.36
E13 mean 18.65 3.07 0.07 0.67 0.53 6.27 7.19 0.16
  CV 6.46 49.6 103.01 23.95 24.91 29.87 12.35 134.23
E14 mean 18.34 0.73 0.05 0.39 0.23 6.49 6.72 0.01
  CV 4.13 15.05 34.01 42.18 18.2 18.95 11.36 54.31
E15 mean 17.22 3.17 0.22 0.54 0.18 5.94 6.79 0.37
  CV 4.93 20.22 24.45 25.36 33.85 34.93 9.76 50.13
E16 mean 17.9 1.03 0.15 0.42 0.33 5.66 6.65 0.09
  CV 6.72 127.76 43.18 28.77 51.06 32.39 10.53 194.76
E17 mean 17.99 0.62 0.14 0.33 0.18 5.23 6.56 0.02
  CV 6.57 37.14 174.22 36.32 33.86 42.58 9.21 117.08
E18 mean 17.39 1.35 0.06 0.37 0.71 4.31 6.49 0.03
  CV 8.09 129.59 38.68 69.16 93.68 61.94 8.78 154.23