Table 4. Results of multiple regression analyses of phenotypic plasticity of morphological and physiological traits of metamers of Copaifera langsdorffii with interannual variation in climatic variables (coefficients of variation, CV = SD mean-1).
| Regression | AIC | R2 | F | P |
|---|---|---|---|---|
| (A) Morphological traits | ||||
| Leaf area = 0.16 | -155.31 | 8.40−3 | 0.93 | 0.34 |
| Petiole length = 0.03 + 0.32AI | -264.37 | 0.03 | 4.61 | <0.05 |
| Internode length = 0.15 + 0.45Rainfall | -185.23 | 0.02 | 3.68 | 0.06 |
| SLA = 0.13 | -231.01 | 0.02 | 3.28 | 0.08 |
| LARm = 0.13 | -218.01 | 0.01 | 2.61 | 0.11 |
| SPL = -0.03 + 1.71Sunshine | -229.07 | 0.06 | 8.25 | <0.01 |
| SIL = 0.18 | -161.41 | 2.40−3 | 0.25 | 0.62 |
| Overall plasticity = 0.08 + 0.25Rainfall | -321.43 | 0.03 | 3.68 | 0.06 |
| (B) Physiological traits | ||||
| ETRmax = 0.29 + 2.74Rainfall | -6.28 | 0.25 | 6.59 | <0.01 |
| PPDFsat = 0.23 | -18.95 | 1.30−4 | 2.10−3 | 0.96 |
| Fv/Fm = -0.17 + 1.24Rainfall | -55.37 | 0.54 | 20.60 | <0.001 |
| Overall plasticity = -0.26 + 0.07Rainfall | -39.93 | 0.30 | 8.24 | <0.01 |
Rainfall = Annual rainfall (mm); Sunshine = Total annual hours of bright sunshine (h); AI = Average annual aridity index. For morphological traits N = 112 and physiological traits N = 18.