Table 2. Correlation coefficients between MCs and the influencing factors.

Environmental Factors	Correlation Coefficient
	TMC-RR	TMC-YR	TMC-LR	TMCs
Water temperature	0.436**	0.085	0.480**	0.614**
PH	−0.729**	−0.029	−0.164	−0.566**
DO	−0.063	−0.076	−0.768**	−0.570**
TN	0.286**	−0.179	−0.079	0.055
TP	0.043	0.073	0.851**	0.610**
PO43− − P	−0.047	−0.071	0.399**	0.204
TN:TP ratio	0.040	−0.229*	−0.434**	−0.347**

Notes:

^*Correlation is significant at the 0.05 level (two-tailed).

^**Correlation is significant at the 0.01 level (two-tailed).