Study on Mechanism Experiments and Evaluation Methods for Water Eutrophication

Table 6

Principal component analysis results for secondary variables.

Principal component factors
Principal component	WT	SD	Dissolved oxygen	EC	pH	TP	TN	chl_a
1	−0.4528	0.4395	0.2273	0.4395	−0.3358	−0.1278	0.1454	−0.4546
2	−0.1856	−0.0259	0.0588	−0.0299	−0.2366	0.6671	−0.6744	−0.0683
3	−0.008	0.1417	−0.7894	0.0282	−0.5392	0.0468	0.1411	0.2078
4	0.4036	0.1324	0.1128	−0.0649	−0.033	0.6424	0.5694	−0.2544
5	−0.1772	−0.4980	−0.2033	0.7202	0.2869	0.2335	0.1428	0.0578
6	0.0185	−0.5936	0.3987	−0.0450	−0.6553	−0.0992	0.1713	0.1307