Table 4. Summary of the results of Linear Regression analyses using PCA axes as predictive variables of forest demography for plots in North-Central, and North-Western Argentina.
PCA 1 | PCA 2 | ||||||
---|---|---|---|---|---|---|---|
Variables | R 2 | Estimate | P | R 2 | Estimate | P | |
North-Central Andes | Tree turnover (% yr-1) | 0.003 | -0.04 | ns | 0.19 | -0.21 | 0.003 |
Tree growth (m2 yr-1) | 0.01 | 0.09 | ns | 0.12 | -0.04 | 0.047 | |
Relative tree growth (% yr-1) | 0.01 | 0.05 | ns | 0.32 | -0.38 | <0.001 | |
Basal area change (% yr-1) | 0.09 | 0.39 | ns | 0.08 | -0.31 | ns | |
North-Western Argentina | Tree turnover (% yr-1) | 0.08 | -0.05 | ns | 0.01 | -0.24 | ns |
Tree growth (m2 yr-1) | 0.13 | -0.34 | ns | 0.29 | 1.68 | 0.021 | |
Relative tree growth (% yr-1) | 0.04 | 0.15 | ns | 0.05 | 0.25 | ns | |
Basal area change (% yr-1) | 0.22 | -0.06 | 0.03 | 0.13 | 0.15 | ns |