Ecological Archives M081-015-A5

Julian M. Norghauer and David M. Newbery. Year. Seed fate and seedling dynamics after masting in two African rain forest trees. Ecological Monographs VOL:pp–pp.

Appendix E. GLMM and ANOVA statistical tables for 1- and 2-yr seedling survival and seed survival, respectively.

TABLE E1. Generalized linear mixed model (GLMM) analysis of tree seedling '1-yr seedling survival' at 48 experimental blocks in the P-plot using proportions per quadrat (October 2007 – November 2008).


Estimated variance components

Component

SE

 

 

 

Block

0.1251

0.2065

 

 

 

Block.Canopy

0.4906

0.2910

 

 

 

Block.Canopy.Predation

0.3713

0.2396

 

 

 

 

 

 

 

 

 

Residual Variance model

Parameter

SE

 

 

 

Dispersion (Sigma2)

0.926

0.1102

 

 

 

 

 

 

 

 

 

Tests for fixed effects

Wald-value

ndf

F value

ddf

P value

Canopy

8.17

1

8.17

45.3

0.0064

Predation

15.89

1

15.89

72.2

<0.001

Species

13.88

1

13.88

168.9

<0.001

Canopy × Predation

11.22

1

11.22

73.5

0.001

Canopy × Species

1.36

1

1.36

170.0

0.246

Predation × Species

0.30

1

0.30

174.4

0.584

Canopy × Predation × Species

2.03

1

2.03

176.0

0.1156

 

TABLE E2. Generalized linear mixed model (GLMM) analysis of tree seedling '2-yr seedling survival' at 48 experimental blocks in the P-plot using proportions per quadrat (October 2007 – November 2009).

Estimated variance components

Component

SE

 

 

 

Block

0.114

0.184

 

 

 

Block.Canopy

0.442

0.244

 

 

 

Block.Canopy.Predation

0.082

0.177

 

 

 

 

 

 

 

 

 

Residual Variance model

Parameter

SE

 

 

 

Dispersion (Sigma2)

1.025

0.117

 

 

 

 

 

 

 

 

 

Tests for fixed effects

Wald-value

ndf

F value

ddf

P value

Canopy

4.88

1

4.88

42.5

0.0064

Predation

12.99

1

12.99

71.9

<0.001

Species

36.75

1

36.75

185.0

<0.001

Canopy × Predation

8.23

1

8.23

75.3

0.001

Canopy × Species

0.81

1

0.81

185.4

0.246

Predation × Species

0.01

1

0.01

191.5

0.584

Canopy × Predation × Species

2.18

1

2.18

191.2

0.1156

Covariate*

4.78

1

4.78

81.2

0.032

*Distance from paired quadrats to the nearest Microberlinia adult (m) within a 75-m radius.

 

TABLE E3. Split-split ANOVA on arcsine square-root transformed seedling '1-yr seed survival' at 48 experimental blocks in the P-plot using proportions per quadrat (September 2007 – November 2008).

Source of variation

df

MS

F ratio

P value

 

 

 

 

 

Block stratum

 

 

 

 

Covariate

1

0.60711

2.65

0.110

Residual

46

0.22908

1.54

 

 

 

 

 

 

Block.Canopy stratum

Canopy

1

1.98726

13.37

<0.001

Covariate

1

0.15818

1.06

0.308

Residual

46

0.14867

1.71

 

 

 

 

 

 

Block.Canopy.Predation stratum

Predation

1

2.52573

29.10

<0.000001

Canopy × Predation

1

0.53515

6.17

0.015

Covariate

1

0.00517

0.06

0.808

Residual

93

0.08679

1.96

 

 

 

 

 

 

Block.Canopy.Predation.Species stratum

Species

1

0.67378

15.20

<0.0001

Canopy × Species

1

0.34812

7.85

0.006

Predation × Species

1

0.20684

4.67

0.032

Canopy × Predation × Species

1

0.00737

0.17

0.684

Covariate*

1

0.19896

4.49

0.035

Residual

187

0.04433

 

 

 

 

 

 

 

Total

383

 

 

 

*Distance from paired quadrats to the nearest Microberlinia adult (m) within a 75-m radius.

 

TABLE E4. Split-split ANOVA on arcsine square-root transformed seedling '2-yr seed survival' at 48 experimental blocks in the P-plot using proportions per quadrat (September 2007 – November 2009).

Source of variation

df

MS

F ratio

P value

 

 

 

 

 

Block stratum

 

 

 

 

Covariate

1

0.82704

3.91

0.054

Residual

46

0.21169

2.04

 

 

 

 

 

 

Block.Canopy stratum

Canopy

1

1.14043

11.00

0.002

Covariate

1

0.00991

0.10

0.759

Residual

46

0.10368

1.50

 

 

 

 

 

 

Block.Canopy.Predation stratum

Predation

1

2.13997

30.92

<0.000001

Canopy × Predation

1

0.49787

7.19

0.009

Covariate

1

0.00835

0.12

0.729

Residual

93

0.06921

1.47

 

 

 

 

 

 

Block.Canopy.Predation.Species stratum

Species

1

1.47251

31.32

<0.00001

Canopy × Species

1

0.01127

0.24

0.625

Predation × Species

1

0.08484

1.80

0.181

Canopy × Predation × Species

1

0.00473

0.17

0.684

Covariate*

1

0.28659

6.10

0.014

Residual

187

0.04702

 

 

 

 

 

 

 

Total

383

 

 

 

*Distance from paired quadrats to the nearest Microberlinia adult (m) within a 75-m radius.


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