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Table 4 Comparisons of the top models (∆AICc < 20) of first-passage time as a function environmental variables of two waterfowl species in southern Africa

From: Exploring the environmental drivers of waterfowl movement in arid landscapes using first-passage time analysis

Model

K

AICc

ΔAICc

AICc Wt

Cum Wt

 

Egyptian Geese

32

mFPTRmax ~ ΔNDVI t-32 + ΔmNDWI t-32 + ΔPrecipt-32 + site + (1|ID)

9

1979.25

0.00

0.43

0.43

34

mFPTRmax ~ ΔNDVI t-32 + ΔPrecipt-32 + site + (1|ID)

8

1979.39

0.14

0.40

0.83

30

mFPTRmax ~ ΔNDVI t-32 + ΔPrecipt-32 + (1|ID)

5

1982.95

3.70

0.07

0.90

28

mFPTRmax ~ ΔNDVI t-32 + ΔmNDWI t-32 + ΔPrecipt-32 + (1|ID)

6

1983.44

4.19

0.05

0.95

19

mFPTRmax ~ mNDWIt + Precipt + site + (1|ID)

10

1984.52

5.27

0.03

0.98

16

mFPTRmax ~ NDVIt + mNDWIt + Precipt + site + (1|ID)

11

1986.00

6.75

0.01

1.00

15

mFPTRmax ~ mNDWIt + Precipt + (1|ID)

5

1992.27

13.02

0.00

1.00

 

Red-billed Teal

34

mFPTRmax ~ ΔNDVI t-32 + ΔPrecipt-32 + site + (1|ID)

7

833.87

0.00

0.38

0.38

26

mFPTRmax ~ ΔNDVI t-16 + ΔPrecipt-16 + site + (1|ID)

7

834.79

0.92

0.24

0.62

32

mFPTRmax ~ ΔNDVI t-32 + ΔmNDWI t-32 + ΔPrecipt-32 + site + (1|ID)

8

835.21

1.34

0.19

0.82

24

mFPTRmax ~ ΔNDVI t-16 + ΔmNDWI t-16 + ΔPrecipt-16 + site + (1|ID)

8

836.83

2.95

0.09

0.90

30

mFPTRmax ~ ΔNDVI t-32 + ΔPrecipt-32 + (1|ID)

5

837.70

3.83

0.06

0.96

28

mFPTRmax ~ ΔNDVI t-32 + ΔmNDWI t-32 + ΔPrecipt-32 + (1|ID)

6

839.54

5.67

0.02

0.98

22

mFPTRmax ~ ΔNDVI t-16 + ΔPrecipt-16 + (1|ID)

5

840.40

6.53

0.01

0.99

20

mFPTRmax ~ ΔNDVI t-16 + ΔmNDWI t-16 + ΔPrecipt-16 + (1|ID)

6

842.45

8.57

0.01

1.00

35

mFPTRmax ~ ΔmNDWI t-32 + ΔPrecipt-32 + site + (1|ID)

7

852.07

18.19

0.00

1.00

  1. Models are ranked based on differences in the corrected Akaike’s Information Criteria (ΔAICc) Akaike weights (AICc Wt). K is the number of estimated parameters and Cum Wt is the cumulative weight of sequential models. Individual birds (ID) were added as a random effect to all models