Table 5 Pearson’s correlation coefficient test of significance, and distance covariance test of independence of biomass expansion factors (BEF) on diameter at breast height (DBH) in A. johnsonii
BEF vs. DBH | ||||||
|---|---|---|---|---|---|---|
|  |  | Pearson’s correlation test | Distance covariance test of independence | |||
# | Tree component | r | Probability | dcov | dcor | Probability |
1 | Taproot + stump | – 0.4310 | 1.6E-05 | 0.1802 | 0.4668 | 0.0150 |
2 | Lateral roots | 0.3211 | 0.0017 | 0.1670 | 0.4377 | 0.0150 |
3 | Root system (1 + 2) | – 0.0714 | 0.4963 | 0.1154 | 0.2546 | 0.0700 |
4 | Stem wood | 0.0564 | 0.5911 | 0.0671 | 0.1430 | 0.7650 |
5 | Stem bark | – 0.0504 | 0.6314 | 0.0442 | 0.1468 | 0.5200 |
6 | Stem (4 + 5) | 0.0344 | 0.7435 | 0.0677 | 0.1428 | 0.7450 |
7 | Branches | 0.0323 | 0.7583 | 0.1567 | 0.2190 | 0.2950 |
8 | Foliage | – 0.5429 | 1.9E-08 | 0.1521 | 0.5874 | 0.0150 |
9 | Crown (7 + 8) | – 0.0575 | 0.5838 | 0.1684 | 0.2274 | 0.2450 |
10 | Shoot system (6 + 9) | – 0.0394 | 0.7080 | 0.1738 | 0.2260 | 0.3300 |
11 | Total tree (3 + 10) | – 0.0522 | 0.6192 | 0.2132 | 0.2432 | 0.2750 |