Appendix F (Table F1). Multiple regression of disturbance variables and environmental principal components vs. Berberis thunbergii log-occurrence.
df |
χ2 |
P |
Coefficient |
|
Occurrence (R2 = 0.43) |
||||
Model |
3 |
84.98 |
< 0.001 |
|
Intercept |
< 0.001 |
-1.38 |
||
‘Soil Acidity’ |
1 |
27.37 |
< 0.001 |
1.02 |
‘Soil Nutrients’ |
1 |
26.46 |
< 0.001 |
-0.85 |
‘Soil Texture’ |
1 |
1.48 |
0.22 |
-0.19 |