Factors Wet season Normal season Dry season F P
WT (°C) 26.28±1.17a 24.67±0.95b 15.91±0.94c 291.179 <0.001
Dep (m) 20.71±9.14a 24.37±8.95a 17.18±7.53a 1.751 0.192
Wid (m) 4.37±1.54a 5.02±1.69a 3.53±1.64a 2.138 0.137
Vel (m/s) 0.20±0.06b 0.55±0.09a 0.11±0.05c 103.141 <0.001
DO (%) 8.18±0.71b 9.14±4.15ab 10.76±0.98a 2.938 0.069
Cond (μS/cm) 106.59±38.73a 68.65±20.36b 65.13±17.38b 7.341 0.003
NH4+-N (mg/L) 0.06±0.03b 0.03±0.01b 0.18±0.08a 25.968 <0.001
NO3--N (mg/L) 1.64±0.66a 0.55±0.24b 0.29±0.21b 29.244 <0.001
TP (mg/L) 0.04±0.03a 0.02±0.01a 0.03±0.02a 1.666 0.207
TN (mg/L) 0.80±0.13a 0.48±0.09b 0.52±0.42b 4.835 0.016
Tur 2.94±2.28a 4.47±2.30a 3.71±1.21a 0.738 0.487
pH 7.25±0.12a 6.79±0.49b 6.40±0.66b 8.657 0.001
CODMn (mg/L) 6.17±2.32b 11.33±5.48a 5.49±3.27b 6.873 0.004
Boulder (%) 6.09±2.43 5.76±3.21 4.50±2.71 0.086 0.918
Cobble (%) 54.00±3.69a 42.72±3.98ab 38.30±4.86b 3.769 0.035
Pebbles (%) 0.00±0.00 2.12±2.12 0.30±0.30 0.828 0.447
Gravel (%) 18.81±2.59 24.85±6.52 26.50±3.45 2.269 0.121
Sand and silt (%) 20.18±4.25 26.82±5.16 29.80±6.15 0.898 0.419
Shading (%) 47.09±7.03 50.76±7.08 48.46±8.09 0.065 0.937
Deposition and scouring (%) 24.27±5.72a 9.24±1.94b 23.10±5.55a 3.245 0.053
Macrophytes (%) 1.00±0.47b 9.09±2.41a 8.72±2.43a 5.482 0.010
Moss (%) 21.91±8.30a 2.58±0.72b 11.72±3.31ab 3.458 0.045
Algae (%) 5.45±2.92 0.00±0.00 1.70±1.28 2.280 0.120
Woody debris and leaf packs (%) 6.91±2.01a 3.48±0.97a 20.98±3.86b 13.630 <0.001