Factor types | PC1 | PC2 | PC3 | PC4 |
---|---|---|---|---|
Elevation | 0.441 | 0.177 | 0.280 | 0.455 |
Aspect | 0.205 | 0.090 | 0.242 | ‒ 0.345 |
Slope | 0.281 | 0.593 | 0.157 | 0.012 |
Distance to water | 0.109 | 0.362 | 0.394 | 0.549 |
Distance to light gap | 0.133 | 0.733 | ‒ 0.043 | ‒ 0.318 |
Distance to roads | 0.310 | 0.413 | 0.568 | ‒ 0.056 |
Distance to Taxus chinensis tree | ‒ 0.505 | ‒ 0.118 | ‒ 0.022 | 0.560 |
Type of heterogeneous tree | ‒ 0.183 | ‒ 0.269 | 0.801 | ‒ 0.019 |
Distance to heterogeneous tree | 0.434 | ‒ 0.143 | 0.407 | ‒ 0.197 |
Distance to Taxus chinensis mother tree | ‒ 0.665 | 0.157 | 0.232 | 0.236 |
Distance to fallen dead tree | 0.401 | ‒ 0.062 | ‒ 0.226 | 0.421 |
Herb cover | 0.773 | ‒ 0.271 | 0.065 | ‒ 0.071 |
Herb density | 0.664 | ‒ 0.221 | 0.321 | 0.119 |
Shrub cover | 0.201 | 0.581 | ‒ 0.299 | ‒ 0.015 |
Shrub density | 0.477 | 0.075 | ‒ 0.432 | 0.331 |
Tree cover | ‒ 0.122 | 0.587 | ‒ 0.122 | ‒ 0.007 |
Leaf litter cover | ‒ 0.616 | 0.255 | 0.291 | 0.080 |
Vegetation type | ‒ 0.601 | 0.021 | 0.100 | ‒ 0.147 |
Percentage of variance explained (%) | 19.915 | 12.460 | 11.377 | 8.189 |
Cumulative percentage (%) | 19.915 | 32.375 | 43.752 | 51.941 |