Fig 4. The loading diagram and PCA of climatic and edaphic traits for Astragalus mongholicus from different origins.
The loading diagram and PCA were conducted by SPSS 22.0. (a) The loading diagram of climatic traits for A. mongholicus; (b) The PCA of climatic traits for A. mongholicus; (c) The loading diagram of edaphic traits for A. mongholicus; (d) The PCA of edaphic traits for A. mongholicus.
