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. 2022 Aug 17;13:934959. doi: 10.3389/fpls.2022.934959

FIGURE 1.

FIGURE 1

The PC1 to PC8 are containing with the main information of environmental variables. The main feature of each variable can be contained in one or more PCA, especially the outlier should pay more attention. The PC1 contains the features of bio01, bio05, bio06, bio09, bio11, bio13, and bio16; The PC2 contains the features of bio01, bio03, bio04, bio05, bio07, bio08, bio10, bio14, and bio15; The PC3 contains the features of bio12, bio14, bio17, bio19, elevation, sand_b100, sand_b200, texture_b100, and texture_b200; The PC4 contains the features of bio06, bio09, bio11, organic_b100, and organic_b200; The PC5 contains the features of bio03, bio04, bio06, bio09, bio11, bio12, bio13, bio16, bio18, organic_b100, and organic_b200; The PC6 contains the feature of aspect; The PC7 contains the features of bio13, bio14, bio15, bio16, bio17, bio18, bio19, and elevation; The PC8 contains the features of bio02, bio05, bio15, organic_b100, organic_b200, slope, water_b100, and water_b200.