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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