PCA qualitative assessment Good tutorial here: http://www.sthda.com/english/articles/31-principal-component-methods-in-r-practical-guide/112-pca-principal-component-analysis-essentials/

create replicate pca create LC-Site pca

Qualitative assessment of change in biodiversity due to the intervention. PCA graphs of plots and sites revealed that cocoa and forest sites were co-located in site-species space, while pastures were strongly separated along the first axis (Fig. 11). This agrees with our findings in Biodiversity Indicator 7.