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Appendix G. Results are presented of a principal component analysis on bird compositional data using the Hellinger distance. Plots representing the first four axes are shown.

The first axis of the PCA (%VE: 13.3%) on bird data represented a synthetic gradient from recently logged to unlogged forest with older logged forest intermediate (Fig. G1). The second, third and fourth axes (Fig. G2) explained 6.1%, 5.6% and 5.5% of variation.

FIG. G1. Principal components ordination showing site scores for the first and second axes. Codes represent individual sample sites.

FIG. G2. Principal components ordination showing site scores for the third and fourth axes. Codes represent individual sample sites.