Figure 2

PCA scores plot on (A) PC1 vs. PC2, (B) PC1 vs. PC3 and (C) PC2 vs. PC3. (D) PCA loadings on PC1, PC2 and PC3. Percentage inside parenthesis: explained variance.

PCA scores plot on (A) PC1 vs. PC2, (B) PC1 vs. PC3 and (C) PC2 vs. PC3. (D) PCA loadings on PC1, PC2 and PC3. Percentage inside parenthesis: explained variance.