Skip to main content

Table 3 Results for the estimate of model coefficients and their significance to assess the effect of overstorey species identity on PD, NTI e NRI

From: Understorey phylogenetic diversity in thermophilous deciduous forests: overstorey species identity can matter more than species richness

Resp. variable

Term

Estimate

Std. Error

Adjusted SE

z value

P-value

PD

(Intercept)

4250.938

187.236

194.237

21.885

< 0.001***

Quercus cerris

103.309

208.580

212.779

0.486

0.627

Quercus ilex

− 116.350

222.404

226.656

0.513

0.608

Ostrya carpinifolia

90.390

201.642

205.862

0.439

0.661

Quercus petraea

−8.484

102.163

105.942

0.080

0.936

Castanea sativa

−7.441

100.635

104.396

0.071

0.943

NRI

(Intercept)

0.779

0.140

0.146

5.349

< 0.001***

Quercus cerris

−0.070

0.151

0.154

0.455

0.649

Ostrya carpinifolia

0.051

0.134

0.137

0.370

0.712

Quercus petraea

0.026

0.101

0.104

0.254

0.799

Quercus ilex

0.017

0.088

0.091

0.182

0.856

Castanea sativa

0.012

0.081

0.084

0.140

0.889

NTI

(Intercept)

0.546

0.117

0.122

0.471

< 0.001***

Quercus petraea

0.527

0.165

0.172

3.070

0.002**

Castanea sativa

−0.018

0.078

0.080

0.227

0.820

Ostrya carpinifolia

−0.013

0.071

0.073

0.178

0.859

Quercus ilex

0.012

0.069

0.071

0.170

0.865

Quercus cerris

−0.012

0.068

0.070

0.165

0.869

  1. Significance codes: ‘***’ highly significant; ‘**’ significant