Table 3. Results of multiple regression analyses of morphological and physiological traits of metamers of Copaifera langsdorffii with climatic variables.
For each trait, mean values of each individual were used.
| Regression | AIC | R2 | F | P | AIC | R2 | F | P | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Metamers in sun | Metamers in shade | ||||||||||
| Morphological traits | Morphological traits | ||||||||||
| Leaf area = -25.90+0.02Sunshine | 673.51 | 0.35 | 60.88 | <0.001 | Leaf area = -27.25+0.02Sunshine | 683.60 | 0.37 | 65.43 | <0.001 | ||
| Petiole length = 6.06–0.02Evap | 285.13 | 0.06 | 8.32 | <0.01 | Petiole length = 6.08–0.02Evap | 297.05 | 0.05 | 6.21 | <0.01 | ||
| Internode length = -0.10+5.26E-04Sunshine | 107.81 | 0.07 | 9.19 | <0.01 | Internode length = -0.11+5.44E-04Sunshine | 95.68 | 0.08 | 10.95 | <0.01 | ||
| SLA = 42.05+22.68AI | 802.86 | 0.30 | 48.91 | <0.001 | SLA = 50.91+20.77AI | 809.65 | 0.25 | 38.59 | <0.001 | ||
| LARm = 50.41+12.34AI+0.09Evap | 766.46 | 0.22 | 16.84 | <0.001 | LARm = 81.30+4.16AI-0.26Evap | 773.20 | 0.21 | 15.71 | <0.001 | ||
| SPL = 32.83+142.41AI | 1079.10 | 0.59 | 163.70 | <0.001 | SPL = 54.15+124.78AI | 1094.30 | 0.49 | 109.70 | <0.001 | ||
| SIL = 128.94–0.72Evap | 915.10 | 0.26 | 38.73 | <0.001 | SIL = 121.93–0.57Evap | 933.54 | 0.15 | 20.38 | <0.001 | ||
| Physiological traits | Physiological traits | ||||||||||
| ETRmax = 46.17 | 156.00 | 1.81−3 | 0.03 | 0.87 | ETRmax = 59.51 | 169.98 | 1.47−3 | 0.02 | 0.88 | ||
| PPFDsat = -900.05+35.80Temp+7.15Evap | 224.73 | 0.57 | 12.12 | <0.001 | PPFDsat = -671.56+55.79Temp | 236.57 | 0.18 | 4.69 | <0.05 | ||
| Fv/Fm = 0.56–0.12AI | -58.59 | 0.32 | 9.02 | <0.01 | Fv/Fm = 0.77 | -95.75 | 0.02 | 0.42 | 0.53 | ||
Rainfall = Annual rainfall (mm); Temp = Average annual temperature (°C); Evap = Potential evapotranspiration (mm month -1); Sunshine = Total annual hours of bright sunshine (h); AI = Average annual aridity index. For morphological traits N = 112 and physiological traits N = 18.