PCA analysis of pre-transformed species abundance matrix for 10 plots of macromycetes observations in different forest types in vicinities of Khanty-Mansiysk, West Siberia. Left: Scaling 1 biplot showing species contribution to axes 1 and 2 (only species with high contribution shown), Right: Scaling 2 biplot showing grouping of plots on the axes 1 and 2 (species were omitted from the biplot for clarity).