Table 1. Water quality parameters with their minimum (Min), maximum (Max), and mean values, SE and the p-values of the U-test results across Burana Natural Wetland (BNW) and Totosie Semi-Artificial Wetland (TSAW)

Water quality parameters	BNW (n = 51)				TSAW (n = 7)				p-value
Water quality parameters	Min	Max	Mean	SE	Min	Max	Mean	SE	p-value
Water temp. (°C)	16.5	25.7	20.43	0.33	15.4	19.9	17.39	0.66	0.002^*
Env’tal temp. (°C)	13.5	25	18.92	0.38	12.3	19	15.30	0.83	0.002^*
pH	5.9	8.6	8.25	1.19	6.78	7.5	7.11	0.09	0.640
DO (mg/L)	0.75	10.46	7.64	0.25	7.31	7.86	7.60	0.08	0.512
EC (µS/cm)	42.20	674	110.80	14.91	46.3	96.1	63.80	8.34	0.062
Cl^– (mg/L)	24.94	85.51	29.93	1.06	27.55	34.62	30.38	1.06	0.178
K⁺ (mg/L)	2.14	29.22	4.63	0.35	2.12	2.83	2.97	0.11	0.001^*
Na⁺ (mg/L)	3.57	81.24	8.45	1.77	7.42	13.78	5.98	0.89	0.385
SRP (mg/L)	0.15	0.91	0.45	0.01	0.41	0.42	0.42	0.002	0.100
TP (mg/L)	2.15	11.35	5.91	0.41	2.35	12.10	7.61	1.38	0.220
NH₄-N (mg/L)	1.05	18.21	2.02	0.35	1.33	3.08	1.86	0.22	0.211
NO₃-N (mg/L)	1.33	4.13	2.25	0.64	1.33	2.73	1.81	1.36	0.062
TN (%)	0.001	0.08	0.02	0.02	0.001	0.001	0.001	0.04	0.002^*
TSS (mg/L)	4	2186	313.61	48.86	30	942	268.00	115.57	0.211

U-test is the significant difference at p-value < 0.05.
DO , dissolved oxygen; EC, electrical conductivity; Cl^–, chloride ion; K⁺, potassium ion; Na+, sodium ion; SRP, soluble reactive phosphate; TP, total phosphorus; NH₄-N, ammonium nitrogen; NO₃-N, nitrate; TN, total nitrogen; TSS, total suspended solids.