Pilot research on testing the reliability of studies on carabid heavy metals contamination Author Pizzolotto, Roberto Author Cairns, Warren Author Barbante, Carlo text Baltic Journal of Coleopterology 2013 13 1 1 13 journal article 10.5281/zenodo.10667363 1407-8619 10667363

Table 3. Principal Component Analysis (PCA) main results for the sites after table 1. First and second dimension (Dim1 and Dim2) account for the 68.97% and 14.46% of the total data variation respectively. Relationship between dimensions and metals is depicted by axes 1 and 2 in figure 4

cos2a		contributiona
Dim.1 Dim.2		Dim.1 Dim.2
S6 0.99	0.01	82.87	2.53
S2 0.001 S4 0.69 S1 0.67	0.97	0.01	77.11
	0.14 0.003	5.04 3.26	4.94 0.06
S3 0.52 S5 0.36 S8 0.33	0.03	1.30	0.35
	0.18	3.84	8.88
	0.12	3.69	6.11
S7 0.0005 0.0005		0	0.02