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Table 2 Summary of the PCA based on environmental variables

From: Environmental variation mediates the prevalence and co-occurrence of parasites in the common lizard, Zootoca vivipara

  Axis 1
Loadings
 Altitude 0.82
 Vegetation cover 0.81
 Human disturbance − 0.87
 Grazing condition − 0.67
Eigenvalue 2.52
Proportion variation 0.63
  1. Loadings (correlations between the original variables and the eigenvectors), eigenvalues, and proportion of variation explained by the first principal component axis