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Table 1
Summary of physical and chemical variables (mean with the range in parentheses) from January 2011 to December 2016 for study sites of the Xiangxi River network.
| JC01 | JC02 | XX01 | XX02 | |
|---|---|---|---|---|
| TN (mg/L) | 0.90 (0.42–1.52) |
0.97 (0.36–1.78) |
0.67 (0.32–1.148) |
0.97 (0.66–1.79) |
| NO3-N (mg/L) | 0.80 (0.17–1.37) |
0.87 (0.22–1.63) |
0.56 (0.24–0.92) |
0.87 (0.39–1.57) |
| NH4-N (mg/L) | 0.04 (0.01–0.16) |
0.04 (0.01–0.16) |
0.06 (0.01–0.27) |
0.05 (0.01–0.28) |
| TP (mg/L) | 0.01 (0.01–0.04) |
0.02 (0.01–0.12) |
0.03 (0.01–0.08) |
0.03 (0.02–0.11) |
| PO4-P (mg/L) | 0.01 (0.006–0.030) |
0.013 (0.002–0.1) |
0.027 (0.008–0.110) |
0.025 (0.010–0.070) |
| SiO2 (mg/L) | 2.45 (1.48–5.08) |
3.256 (2.008–9.43) |
2.62 (0.97–4.15) |
3.09 (2.29–4.54) |
| WT (°C) | 12.26 (2.72–21) |
14.49 (6–23.1) |
12.63 (4.2–23.70) |
14.62 (17.22–22.00) |
| Cond (us/cm) | 208.20 (118.60–267.00) |
233.60 (185.60–297.00) |
169.20 (120.40–266.00) |
203.70 (159.10–288.00) |
| pH | 8.35 (6.93–9.27) |
8.54 (7.15–9.54) |
8.52 (6.91–9.17) |
8.16 (7.11–8.84) |
| Velocity (m/s) | 0.24 (0.03–1.03) |
0.35 (0.08–0.7333) |
0.33 (0.04–2.48) |
0.35 (0.08–0.70) |
| Discharge (m3/s) | 0.1853 (0.0002–2.7832) |
0.2149 (0.0012–1.1636) |
0.5021 (0.0013–3.6790) |
1.3684 (0.0148–5.1295) |
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