Monitoring spatiotemporal variability of water quality parameters Using Landsat imagery in Choghakhor International Wetland during the last 32 years

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Table 3

Statistical comparison of parameters calculated in this study using ANOVA (mean ± SE, n = 50).^*

	2017	2015	2013	2010	2006	2000	1995	1987	1985	F-value	P-value
WST	29.66 ± 0.1^a	22.91 ± 0.75^b	13.03 ± 1.59^d	16.62 ± 0.24^c	14.10 ± 0.12^cd	14.95 ± 1.48^cd	13.53 ± 0.03^d	16.49 ± 0.28^c	24.45 ± 3.07^b	43.42	p < 0.05
Chl-a	1.02 ± 0.52^b	1.06 ± 0.12^b	0.89 ± 0.02^c	0.83 ± 0.03^c	1.23 ± 0.03^a	1.06 ± 0.008^b	0.379 ± 0.003^d	0.309 ± 0.04^d	0.322 ± 0.007^d	166.51	p < 0.05
SDT	1.627 ± 0.04^d	1.6 ± 0.02^d	1.69 ± 0.03^c	1.72 ± 0.07^c	1.55 ± 0.1^e	1.61 ± 0.07^d	2.07 ± 0.08^b	2.14 ± 0.24^a	2.12 ± 0.09^a	338.74	p < 0.05

Different letters indicate statistical significance (Duncan, p < 0.05). F-value is the ratio of the mean squares between the groups to the intra-group squares, which indicates the magnitude of the difference between the groups and the comparison with the error.

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