Fig. 3From: Adaptive strategies based on shrub leaf-stem anatomy and their environmental interpretations in the eastern Qaidam BasinPCA of anatomical traits at species level (a-c) and community level (d-f). The images in the first column (a-c) show the species-level PCA results. The images in the second column (d-f) show the results of PCA at the community level. Images (a, d) in the first row show the results of the first and second axes. Images (b, e) in the second row are the results of the second and third axes. Images (c, f) in the third row show the results of the first and third axesBack to article page