. 2014 Dec 10;187(1):4163. doi: 10.1007/s10661-014-4163-1

Table 4.

Factor loading matrix of water quality attributes for the Orós reservoir, CE

	Attribute	Component
	Attribute	C1	C2	C3	C4	C5
01	Ca⁺² (mg L⁻¹)	0.930	−0.094	0.133	−0.059	0.061
02	Mg⁺² (mg L⁻¹)	0.912	−0.041	0.082	0.044	−0.096
03	Cl⁻ (mg L⁻¹)	0.843	0.021	0.253	−0.079	−0.091
04	Apparent colour (uH)	−0.071	0.971	−0.033	0.026	0.074
06	Turbidity (uT)	0.035	0.939	0.131	0.050	0.032
05	Total suspended solids (mg L⁻¹)	−0.006	0.902	−0.180	0.096	0.050
07	K⁺ (mg L⁻¹)	0.371	−0.054	0.881	−0.062	0.050
08	Na⁺ (mg L⁻¹)	0.388	−0.039	0.883	−0.073	0.145
09	SO₄ ⁻² (mg L⁻¹)	−0.337	0.007	0.674	0.190	−0.476
10	Richness of the macroinvertebrate family associated with the macrophyte Eichhornia crassipes	0.006	−0.046	−0.129	0.837	0.074
11	Richness of the macroinvertebrate family associated with the macrophyte Pistia stratiotes	−0.069	0.100	0.104	0.748	−0.173
12	Total phosphorus	−0.148	0.079	0.061	−0.060	0.946
	Eigenvalue	3.55	2.57	1.70	1.40	1.00
	Variance (%)	29.60	21.42	14.20	11.70	8.38
	Accumulated variance (%)	29.60	51.03	65.23	76.94	85.32
	KMO	0.61