水参数 Water parameters | 夏季 Summer | 秋季 Autumn | t检验 t test | P值 p-value |
氯离子Cl− (mg/l) | 70.41 ± 26.89 | 47.67 ± 12.93 | 2.1583 | 0.0677 |
氨氮 (mg/l) | 0.52 ± 0.78 | 0.05 ± 0.02 | 1.6836 | 0.1361 |
硝酸盐 (mg/l) | 0.05 ± 0.07 | 0.02 ± 0.01 | 1.5474 | 0.1657 |
浊度NTU (mg/l) | 3.60 ± 1.12 | 3.04 ± 1.23 | 0.7670 | 0.4682 |
叶绿素Chla (mg/l) | 3.68 ± 2.58 | 3.77 ± 1.84 | −0.0797 | 0.9387 |
电导率EC (µS/cm) | 50.5 ± 26.05 | 67.38 ± 22.12 | −2.7710 | 0.0276* |
pH | 7.23 ± 0.56 | 8.30 ± 0.36 | −4.1979 | 0.0040** |
水温WT (℃) | 14.76 ± 2.72 | 12.38 ± 1.17 | 2.7656 | 0.0278* |
总氮TN (mg/l) | 9.70 ± 5.42 | 2.39 ± 0.96 | 4.1460 | 0.0043** |
总磷TP (mg/l) | 0.17 ± 0.11 | 0.11 ± 0.09 | 1.7083 | 0.1313 |