Table 2

Mean and standard error of abiotic environmental variables measured during different seasons at Periyakulam wetland (turbidity was measured as inverse of Secchi depth).

  Wet 1 Wet 2 Dry



  Mean (SE) Mean (SE) Mean (SE)
Temperature (°C) 28.7 0.3 28.1 0.4 29.5 0.6
Dissolved oxygen (mg/L) 1.8 0.5 2.7 0.3 3.1 0.2
Conductivity (μS/cm2) 169.5 10.3 189.2 8.6 130.9 2.6
Turbidity (1/cm) 0.0113 0.0005 0.0116 0.0004 0.0088 0.0002
pH 5.9 0.7 6 0.12 6.2 0.2
Rainfall (cm) 133.9 35.1 134 25 34.4 13.7

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