Table 3 The distribution of various ecological factors to the habitat suitability of atractylodes with higher atractylodin content than the standard of Pharmacopoeia.
Sequence number | Variable name | Contribution (%) |
|---|---|---|
1 | Soil type | 50.0 |
2 | Soil clay content | 34.8 |
3 | The mean temperature in December | 10.0 |
4 | Aspect | 1.8 |
5 | Soil available water content level | 1.6 |
6 | Monthly mean of temperature difference between day and night | 1.1 |
7 | The mean precipitation in May | 0.3 |
8 | Standard deviation of the seasonal changes in temperature | 0.1 |
9 | The mean precipitation in November | 0.1 |
10 | Soil organic carbon conten | 0.1 |
