Table 3 Coefficients of generalised linear mixed-effects models with a Poisson distribution testing the effects of the factors of bird and plant traits on seed removal patterns of Taxus chinensis in the patchy forest of yew ecological garden, Fujian Province, southeast China

 Intercept

2.090

0.192

10.887

< 2E−16***

 Body weight

− 0.011

0.001

− 7.896

2.88E−15***

 Body length

− 0.004

0.007

− 0.635

0.525

 Tail length

− 0.002

0.006

− 0.411

0.681

 Wing length

0.030

0.005

5.996

2.02E−09***

 Bill length

0.010

0.014

0.752

0.452

 Foraging frequency

0.046

0.001

74.519

< 2E−16***

Random effects

 Groups

Variance

Std. Dev.

 Years

7.67E−05

0.009

 Intercept

− 0.204

0.168

− 1.217

0.224

 Tree girth

− 0.938

0.068

− 13.815

2E−16***

 Tree height

0.064

0.006

10.313

2E−16***

 Fruit amount

0.269

0.038

7.133

9.79E−13***

 Canopy density

5.429

0.284

19.094

2E−16***

 Crown width

0.050

0.005

11.089

2E−16***

Random effects

 Groups

Variance

Std. Dev.

 Years

0.005

0.074