Table 6 The correlation between C. 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

PET

− 0.279*

AI

0.257*

Srad

− 0.356**

Wind

− 0.286**

Sq3

− 0.261*

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