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 96:14511458. 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


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