Table S6Correlation matrix among 14 water quality parameters atS6 (Dhanas pond site II).
PARAMETERS / Water temp. (°C) / TDS (mg L–1) / Conductivity(µS cm–1) / pH / Turbidity (NTU) / Dissolved Oxygen (mg L–1) / Free CO2
(mg L–1) / Total Alkalinity
(mg L–1) / Total hardness
(mg L–1) / Ca++ (mg L–1) / Chlorides ions
(mg L–1) / Nitrate (µg L–1) / Ortho-phosphate
µg L–1) / Sulphate
(mg L–1)
Water temp. (°C) / 1
TDS (mg L–1) / -0.98 / 1
Conductivity (µ Scm–1) / -0.97 / 0.99* / 1
pH / 0.38 / -0.19 / -0.14 / 1
Turbidity (NTU) / 0.76 / -0.62 / -0.58 / 0.88 / 1
Dissolved Oxygen (mg L–1) / -0.63 / 0.46 / 0.42 / -0.96 / -0.98 / 1
Free CO2 (mg L–1) / 0.61 / -0.44 / -0.39 / 0.96 / 0.97 / -1.00* / 1
Total Alkalinity (mg L–1) / -0.86 / 0.94 / 0.95 / 0.14 / -0.32 / 0.14 / -0.11 / 1
Total hardness (mg L–1) / -0.98 / 1.00** / 0.99 / -0.18 / -0.61 / 0.45 / -0.43 / 0.95 / 1
Ca++ (mg L–1) / -0.76 / 0.61 / 0.57 / -0.89 / -1.00** / 0.98 / -0.98 / 0.32 / 0.60 / 1
Chlorides ions (mg L–1) / 1.00* / -0.97 / -0.96 / 0.40 / -0.78 / -0.65 / 0.62 / -0.84 / -0.97 / -0.77 / 1
Nitrate (µg L–1) / 0.59 / -0.43 / -0.38 / 0.97 / 0.97 / -0.99* / 1.00** / -0.10 / -0.42 / -0.97 / 0.62 / 1
Ortho-phosphate (µg L–1) / -0.96 / 0.99 / 0.99* / -0.11 / -0.55 / 0.38 / -0.36 / 0.96 / 0.99* / 0.55 / -0.95 / -0.35 / 1
Sulphate (mg L–1) / 0.73 / -0.59 / -0.55 / 0.91 / 0.99* / -0.98 / 0.98 / -0.28 / -0.58 / -0.99* / 0.75 / 0.98 / -0.52 / 1
** Correlation is significant at the 0.01 level.
* Correlation is significant at the 0.05 level.