| 总氮 | pH | 总有机碳 | 耗氧速率 |
总氮 | 1 | −0.549** | −0.165 | −0.913** |
pH | −0.549** | 1 | 0.002 | 0.661** |
总有机碳 | −0.165 | 0.002 | 1 | 0.228 |
耗氧速率 | −0.913** | 0.661** | 0.228 | 1 |