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Table 1 Dispersal probability model ranking, Akaike’s information criteria (AIC), coefficient estimates (± 1 SE) for the 95% confidence set of models, and the model average, and the relative importance indices

From: Effects of breeding success, age and sex on breeding dispersal of a reintroduced population of the Crested Ibis (Nipponia nippon) in Ningshan County, China

Model ranking

Explanatory variables

σ

AIC

AICw

Intercept

Success

Sex

1

121.3

0.59

0.43 ± 0.45

− 1.73 ± 0.40

 

2.32 ± 1.52

2

122.7

0.29

0.67 ± 0.54

− 1.76 ± 0.41

− 0.45 ± 0.52

2.40 ± 1.55

Model average

  

0.52 ± 0.51

− 1.74 ± 0.41

− 0.40 ± 0.51

 

Relative importance

   

1

0.33

 
  1. Success = breeding success; sex = male; σ: standard deviation of the random effect