Skip to main content

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

From: Importance of plant and bird traits on the seed removal pattern of endangered trees across different forest patches in southeast China

Parameter Estimate SE Z p
Effects of bird traits on seed removal
 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   
Effects of plant traits on seed removal
 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   
  1. ***p < 0.001