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Table 4

Classification functions (Equation (3)) for discriminant analysis of temporal variation in Kabar Tal wetland (n = 29 summer and monsoon; n = 25 winter)

	Standard mode			Forward mode			Backward mode
Parameters	Monsoon coefficient^a	Summer coefficient^a	Winter coefficient^a	Monsoon coefficient^a	Summer coefficient^a	Winter coefficient^a	Monsoon coefficient^a	Summer coefficient^a	Winter coefficient^a
Temp (°C)	11.460	11.851	7.414	10.761	11.114	7.020	11.273	11.648	7.159
pH	79.431	85.467	93.549	67.190	73.504	78.629	67.966	73.710	79.446
EC (μS/cm)	0.051	0.105	0.071	0.051	0.101	0.076	0.056	0.109	0.079
SO4²⁻ (ppm)	−0.075	−0.174	−0.202	0.076	−0.041	−0.015	0.070	−0.030	−0.015
PO4³⁻ (μ/l)	0.070	0.065	0.081
HCO³⁻ (ppm)	0.410	0.589	0.381
NO³⁻ (ppm)	−19.195	−14.350	−20.762				−5.758	−1.024	−3.995
Cl⁻ (ppm)	0.038	0.065	0.017				0.000	0.026	−0.030
Ca²⁺ (ppm)	0.961	0.928	1.229
Mg²⁺ (ppm)	1.698	1.622	2.185
K⁺ (ppm)	−5.539	−8.503	−3.682	−3.951	−6.126	−2.153	−3.933	−6.678	−1.832
Na⁺ (ppm)	−3.142	−3.899	−2.203				−1.606	−2.337	−0.330
Intercept	−446.938	−511.521	−463.146	−393.219	−453.849	−389.219	−399.917	−461.295	−392.042

	Standard mode			Forward mode			Backward mode
Parameters	Monsoon coefficient^a	Summer coefficient^a	Winter coefficient^a	Monsoon coefficient^a	Summer coefficient^a	Winter coefficient^a	Monsoon coefficient^a	Summer coefficient^a	Winter coefficient^a
Temp (°C)	11.460	11.851	7.414	10.761	11.114	7.020	11.273	11.648	7.159
pH	79.431	85.467	93.549	67.190	73.504	78.629	67.966	73.710	79.446
EC (μS/cm)	0.051	0.105	0.071	0.051	0.101	0.076	0.056	0.109	0.079
SO4²⁻ (ppm)	−0.075	−0.174	−0.202	0.076	−0.041	−0.015	0.070	−0.030	−0.015
PO4³⁻ (μ/l)	0.070	0.065	0.081
HCO³⁻ (ppm)	0.410	0.589	0.381
NO³⁻ (ppm)	−19.195	−14.350	−20.762				−5.758	−1.024	−3.995
Cl⁻ (ppm)	0.038	0.065	0.017				0.000	0.026	−0.030
Ca²⁺ (ppm)	0.961	0.928	1.229
Mg²⁺ (ppm)	1.698	1.622	2.185
K⁺ (ppm)	−5.539	−8.503	−3.682	−3.951	−6.126	−2.153	−3.933	−6.678	−1.832
Na⁺ (ppm)	−3.142	−3.899	−2.203				−1.606	−2.337	−0.330
Intercept	−446.938	−511.521	−463.146	−393.219	−453.849	−389.219	−399.917	−461.295	−392.042

Discriminant function coefficient for winter, summer and monsoon seasons correspond to wij as defined in Equation (2).

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