Metals in Fishes from Yongshu Island, Southern South China Sea: Human Health Risk Assessment

Table 6

Principal component analysis (PCA) of metals in the four fish tissues.

	Components
	1 (35.323%)	2 (23.633%)	3 (13.829%)
Fe	0.232	0.318	0.664
Mn	0.718	−0.515	−0.113
Zn	0.861	−0.324	−0.115
Ni	0.726	−0.333	0.058
Cu	0.527	0.782	−0.116
Pb	−0.225	−0.224	0.716
Cd	0.572	0.787	0.025
Cr	0.576	−0.167	0.332