Table 2 All Pearson r2, and Kendall (tau) correlation coefficients between environmental variables and the three-dimensional NMDS configuration of sampling units in species space.

From: Erosion of tropical bird diversity over a century is influenced by abundance, diet and subtle climatic tolerances

Variable

Axis 1

Axis 2

Axis 3

r2

tau

r2

tau

r2

tau

Forest age

0.177

 − 0.348

0.050

 − 0.162

0.065

 − 0.174

Altitude

0.027

 − 0.014

0.001

 − 0.088

0.357

0.522

Area

0.001

 − 0.060

0.029

0.088

0.490

0.494

% Forest

0.274

 − 0.374

0.035

 − 0.152

0.269

 − 0.448

% Unfragmented

0.361

 − 0.416

0.007

 − 0.139

0.117

 − 0.416

% Urban

0.077

0.356

0.024

0.106

0.232

0.443

Plant richness

0.008

 − 0.472

0.017

0.180

0.232

 − 0.321

Precipitation

0.049

 − 0.287

0.042

0.176

0.263

 − 0.435

  1. For definitions of environmental variables, see Supplementary Table S2.
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