Table 4.
Forward selection of environmental variables classified into three categories (bioclimate, ecology, and topology) explaining genetic variation within Taiwan cow-tail fir.
| Environmental variables | Total | Outlier | |||||
|---|---|---|---|---|---|---|---|
| R2 | Adjusted R2 | F (P) | R2 | Adjusted R2 | F (P) | ||
| Bioclimate | BIO1BIO12 | 0.029 0.023 |
0.012 0.007 |
1.762 (0.001) 1.411 (0.001) |
0.177 0.081 |
0.164 0.070 |
12.95 (0.001) 6.49 (0.001) |
| Ecology | RainD Soil pH NDVI | 0.037 0.024 0.019 |
0.021 0.008 0.003 |
2.329 (0.001) 1.490 (0.001) 1.174 (0.001) |
0.322 0.098 |
0.311 0.090 |
28.55 (0.001) 9.99 (0.001) |
| Topology | Aspect Slope | 0.003 0.002 |
0.017 0.005 |
2.046 (0.001) 1.290 (0.001) |
0.242 0.052 |
0.230 0.041 |
19.18 (0.001) 4.33 (0.001) |
BIO1, Annual mean temperature; BIO12, annual precipitation; RainD, number of rainfall days per year; NDVI, normalized difference vegetation index.