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Table 3 Results from the GAMMs multiple regression models testing for the effects of different logger shapes (cube and drop) and wind angles (+ 2° and + 6°) on heart rate and VeDBA during flight

From: The impact of shape and attachment position of biologging devices in Northern Bald Ibises

Heart rate

VeDBA

Linear terms

Estimate

SE

t-value

Linear terms

Estimate

SE

t-value

Intercept

459.62

23.01

19.96***

Intercept

765.71

32.16

23.81***

Logger Drop

− 13.85

18.21

− 0.77

Logger Drop

− 73.82

23.44

− 3.15**

Wind angle 6°

− 42.08

21.02

− 2.03*

Wind angle 6°

− 283.41

24.31

− 11.67***

Logger Drop:Wind angle 6°

− 79.73

28.78

− 2.77**

Logger Drop:Wind angle 6°

− 84.32

34.17

0.84*

Flight n. 2

6.47

1.09

5.96***

Flight n. 2

12.42

14.77

0.84

Smooth random terms

EDF

F-value

Smooth random terms

EDF

F-value

s(Bird)

0.99

104,969

s(Bird)

0.91

5.58**

s(Date): LoggerCube

9.30

49,680

s(Date):LoggerCube

0.002

0.00

s(Date): LoggerDrop

9.30

11,828

s(Date):LoggerDrop

1.59

0.17

s(Date):Wind2°

0.00

0

s(Date):Wind2°

1.03

0.18

s(Date):Wind6°

1.16

1278

s(Date):Wind6°

0.001

0.00

R2adj

0.72

  

R2adj

0.22

  

n

15,926

  

n

16,880

  

fREML

16,901

  

fREML

14,084

  
  1. edf effective degrees of freedom of the smooth function terms, fREML restricted maximum likelihood; *p < 0.05; **p < 0.01; ***p < 0.001
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Animal Biotelemetry

ISSN: 2050-3385