Ecological Archives E096-129-A2
Richard A. Lankau, Kai Zhu, and Alejandro Ordonez. 2015. Mycorrhizal strategies of tree species correlate with trailing range edge responses to current and past climate change. Ecology 96:1451–1458. http://dx.doi.org/10.1890/14-2419.1
Appendix B. Additional statistical results, including models using alternative metrics for biotic velocity, models without phylogenetic error structure, and models including dually colonized species.
Table B1. Alternative estimates of range boundaries.
Southern (Trailing) Edge |
Northern (Leading) Edge |
||||||
Using absolute min/max latitude |
Estimate |
LR |
P |
|
Estimate |
LR |
P |
Phylogenetic Correlation (Pagel) |
0.739 |
7.007 |
0.008 |
0.306 |
0.415 |
0.519 |
|
Fixed Effects |
|||||||
Mycorrhizal Type |
-36.613 |
3.082 |
0.079 |
-3.542 |
0.034 |
0.853 |
|
Shade Tolerance |
-6.284 |
1.124 |
0.289 |
12.703 |
3.291 |
0.070 |
|
Ln (Seed mass) |
7.781 |
6.055 |
0.014 |
5.054 |
2.165 |
0.141 |
|
Using 5% or 95% of observations |
|
|
|
|
|
|
|
Phylogenetic Correlation (Pagel) |
0.483 |
2.718 |
0.099 |
0.268 |
0.437 |
0.509 |
|
Fixed Effects |
|||||||
Mycorrhizal Type |
-34.666 |
5.371 |
0.020 |
7.830 |
0.246 |
0.620 |
|
Shade Tolerance |
-0.658 |
0.019 |
0.890 |
3.420 |
0.344 |
0.557 |
|
Ln (Seed mass) |
6.484 |
8.476 |
0.004 |
5.308 |
4.067 |
0.044 |
|
Table B2. Models without phylogenetic error structure.
Southern (Trailing) Edge |
Northern (Leading) Edge |
||||||
Younger Dryas (12-10 ka BP) |
Estimate |
LR |
P |
|
Estimate |
LR |
P |
Mycorrhizal Type |
-3.340 |
3.998 |
0.046 |
-0.045 |
0.102 |
0.750 |
|
Shade Tolerance |
2.038 |
5.311 |
0.021 |
0.171 |
4.547 |
0.033 |
|
Ln (Seed mass) |
-0.329 |
1.297 |
0.255 |
-0.001 |
0.003 |
0.958 |
|
Contemporary Data |
|
|
|
|
|
|
|
Mycorrhizal Type |
-26.693 |
7.596 |
0.006 |
-8.080 |
0.459 |
0.498 |
|
Shade Tolerance |
-12.664 |
1.811 |
0.178 |
1.818 |
0.120 |
0.730 |
|
Ln (Seed mass) |
6.465 |
11.423 |
0.001 |
4.775 |
3.560 |
0.059 |
|
Table B3. Models including dually colonized species with phylogenetic error structure.
Biotic - Climatic Velocity |
Southern (Trailing) Edge |
Nothern (Leading) Edge |
||||||
Younger Dryas (12-10 ka BP) |
Estimate |
LR |
P |
|
Estimate |
LR |
P |
|
Phylogenetic Correlation (Pagel) |
1.100 |
3.531 |
0.060 |
1.100 |
1.395 |
0.238 |
||
Fixed Effects* |
||||||||
Mycorrhizal Type |
14.400 |
0.001 |
0.912 |
0.340 |
||||
Shade Tolerance |
3.018 |
15.260 |
0.000 |
2.840 |
5.221 |
0.022 |
||
Ln (Seed mass) |
0.207 |
0.095 |
0.776 |
-0.257 |
0.075 |
0.784 |
||
t |
P |
t |
P |
|||||
EMF vs. AMF |
-8.190 |
-7.41 |
0.0001 |
-5.404 |
-4.610 |
0.000 |
||
Dual vs. AMF |
-0.024 |
-0.163 |
0.873 |
-1.901 |
-1.374 |
0.190 |
||
Contemporary Data |
|
|
|
|
|
|
|
|
Phylogenetic Correlation (Pagel) |
0.266 |
2.873 |
0.090 |
0.526 |
6.518 |
0.011 |
||
Fixed Effects* |
||||||||
Mycorrhizal Type |
4.373 |
0.112 |
0.315 |
0.854 |
||||
Shade Tolerance |
-1.268 |
0.089 |
0.766 |
1.087 |
0.049 |
0.826 |
||
Ln (Seed mass) |
5.408 |
7.668 |
0.006 |
6.401 |
4.317 |
0.038 |
||
t |
P |
t |
P |
|||||
EMF vs. AMF |
-26.235 |
-2.0573 |
0.0422 |
-9.009 |
-0.5405 |
0.5904 |
||
Dual vs. AMF |
-9.134 |
-0.415 |
0.679 |
-9.550 |
-0.101 |
0.920 |
||
Table B4. Models including dually colonized species without phylogenetic error structure.
Biotic - Climatic Velocity |
Southern (Trailing) Edge |
Nothern (Leading) Edge |
||||||
Younger Dryas (12-10 ka BP) |
Estimate |
LR |
P |
|
Estimate |
LR |
P |
|
Fixed Effects* |
||||||||
Mycorrhizal Type |
3.367 |
0.186 |
0.067 |
0.967 |
||||
Shade Tolerance |
2.859 |
7.988 |
0.005 |
2.289 |
7.322 |
0.007 |
||
Ln (Seed mass) |
-0.121 |
0.138 |
0.710 |
0.062 |
0.052 |
0.820 |
||
t |
P |
t |
P |
|||||
EMF vs. AMF |
-3.514 |
-1.641 |
0.1216 |
-0.132 |
-0.073 |
0.943 |
||
Dual vs. AMF |
-0.746 |
-0.165 |
0.817 |
0.702 |
0.188 |
0.854 |
||
Contemporary Data |
|
|
|
|
|
|
|
|
Fixed Effects* |
||||||||
Mycorrhizal Type |
6.847 |
0.033 |
0.608 |
0.738 |
||||
Shade Tolerance |
-4.176 |
1.059 |
0.303 |
1.818 |
0.121 |
0.728 |
||
Ln (Seed mass) |
5.945 |
12.213 |
0.000 |
4.775 |
3.602 |
0.058 |
||
t |
P |
t |
P |
|||||
EMF vs. AMF |
-23.787 |
-2.557 |
0.012 |
-8.08 |
-0.6617 |
0.5101 |
||
Dual vs. AMF |
-4.388 |
-0.232 |
0.817 |
-36.368 |
-0.388 |
0.699 |
||