Table 8 The correlation between O. and environmental variables.

From: Predicting high-quality ecologically suitable areas of Astragalus mongholicus Bunge based on secondary metabolites content using Biomod2 model

Environmental variables

Spearman’s correlation coefficient

Srad

− 0.285*

Sq3

− 0.233*

  1. *Represents a p value less than 0.05.
  2. **Represents a p value less than 0.01.