Table 2. Values of basic physicochemical variables of lakes.

The ranges of temperature, dissolved oxygen, pH and conductance from thermal layers.

	Epilimnion	Metalimnion	Hypolimnion
Temperature (°C)	18.9–25.0	12.0–17.0	4.0–11.0
O2 (mg dm−3)	2.4–13	0.3–11.0	0–9.7
pH	4.45–9.75	6.4–8.9	4.4–8.4
Conductance (µS cm−2)	53–730	59–537	65–544