Appendix B. Model parameters for the models shown in Table 2.
Log leaf life-span
Term |
|
Estimate |
Std Error |
t Ratio |
Prob > |t| |
Intercept |
|
0.1536809 |
0.214663 |
0.72 |
0.4743 |
Mean annual temperature |
|
0.000999 |
0.003634 |
0.27 |
0.7835 |
Log precipitation |
|
0.040113 |
0.074788 |
0.54 |
0.5919 |
Log vapor pressure deficit |
|
-0.117623 |
0.155508 |
-0.76 |
0.4497 |
Solar radiation |
|
0.004345 |
0.00115 |
3.78 |
0.0002 |
Log specific leaf area
Term |
|
Estimate |
Std Error |
t Ratio |
Prob > |t| |
Intercept |
|
2.1281057 |
0.086984 |
24.47 |
<.0001 |
Mean annual temperature |
|
-0.005184 |
0.00118 |
-4.39 |
<.0001 |
Log precipitation |
|
0.1829269 |
0.023355 |
7.83 |
<.0001 |
Log vapor pressure deficit |
|
0.1153142 |
0.052204 |
2.21 |
0.0273 |
Solar radiation |
|
-0.003865 |
0.000388 |
-9.97 |
<.0001 |
Log Nmass
Term |
|
Estimate |
Std Error |
t Ratio |
Prob > |t| |
Intercept |
|
0.5168357 |
0.074126 |
6.97 |
<.0001 |
Mean annual temperature |
|
0.0027665 |
0.00117 |
2.36 |
0.0182 |
Log precipitation |
|
0.0458037 |
0.020263 |
2.26 |
0.0239 |
Log vapor pressure deficit |
|
0.0119454 |
0.044116 |
0.27 |
0.7866 |
Solar radiation |
|
-0.003129 |
0.000326 |
-9.59 |
<.0001 |
Log Pmass
Term |
|
Estimate |
Std Error |
t Ratio |
Prob > |t| |
Intercept |
|
0.182473 |
0.269135 |
0.68 |
0.4980 |
Mean annual temperature |
|
0.0156774 |
0.003598 |
4.36 |
<.0001 |
Log precipitation |
|
0.0315401 |
0.048678 |
0.65 |
0.5172 |
Log vapor pressure deficit |
|
0.4161753 |
0.142869 |
2.91 |
0.0037 |
Solar radiation |
|
-0.009772 |
0.001069 |
-9.14 |
<.0001 |
Log Amass
Term |
|
Estimate |
Std Error |
t Ratio |
Prob > |t| |
Intercept |
|
2.5682494 |
0.177518 |
14.47 |
<.0001 |
Mean annual temperature |
|
0.0006909 |
0.002583 |
0.27 |
0.7892 |
Log precipitation |
|
-0.14263 |
0.054529 |
-2.62 |
0.0091 |
Log vapor pressure deficit |
|
-0.144788 |
0.108875 |
-1.33 |
0.1840 |
Solar radiation |
|
-0.001432 |
0.000863 |
-1.66 |
0.0974 |
Amass: photosynthetic capacity per unit leaf mass; Nmass: leaf nitrogen concentration per unit mass; Pmass: leaf phosphorous concentration per unit mass.