Ecological Archives E087-187-A7

Deborah Austin, W. Don Bowen, Jim I. McMillan, and Sara J. Iverson. 2006. Linking movement, diving, and habitat to foraging success in a large marine predator. Ecology 87:3095–3108.

Appendix G. Results from a GLMM to predict number of feeding events per 12-h time bin. Includes the Akaike’s Information Criteria (AICc), the delta AICci) and the Akaike weights (wi). Best fitting models are given in bold print.

ID

Model

df

AICc

Δi

wi

1

Mean depth (m)

285

1224.8

130.37

0.00

2

Mean dive duration (min)

285

1159.9

65.47

0.00

3

Mean bottom time (min)

285

1167.09

72.66

0.00

4

% square shapedd dives

285

1196.71

102.28

0.00

5

% v-shaped dives

285

1147.59

53.16

0.00

6

Travel rate (km/h)

285

1122.21

27.78

0.00

7

Distance (km)

285

1103.02

8.59

0.01

8

Bathymetry (m)

285

1154.76

60.33

0.00

9

Bottom temperature (ºC)

285

1151.52

57.09

0.00

10

Prevalence of muddy gravel

285

1181.04

86.61

0.00

11

Prevalence of clay, sandy silt

285

1178.33

83.90

0.00

12

Prevalence of mud, sand, with gravel

285

1184.01

89.58

0.00

13

Prevalence of silty clay

285

1179.83

85.40

0.00

14

Prevalence of  clean, well-sorted sand/gravel

285

1180.67

86.24

0.00

15

Mean bout duration (h)

285

1176.37

81.94

0.00

16

Angular deviation

285

1169.10

74.67

0.00

17

Mean dive duration (min) + % v-shaped dives

284

1143.25

48.81

0.00

18

Mean dive duration (min) + distance traveled (km)

284

1100.70

6.26

0.02

19

Mean dive duration (min) + bathymetry (m)

284

1152.68

58.24

0.00

20

Mean dive duration (min) + bottom temperature (ºC)

284

1151.93

57.49

0.00

21

% v-shaped dives + distance traveled

284

1142.05

47.61

0.00

22

% v-shaped dives + bathymetry (m)

284

1106.76

12.32

0.00

23

% v-shaped dives +  bottom temperature (ºC)

284

1110.36

15.92

0.00

24

Distance traveled (km) + bathymetry (m)

284

1095.22

0.78

0.38

25

Distance traveled (km) + bottom temperature (ºC)

284

1137.99

43.55

0.00

26

Mean dive duration (min) + % v-shaped dives + distance traveled (km)

283

1144.33

49.89

0.00

27

Mean dive duration (min) +
% v-shaped dives + bathymetry (m)

283

1094.44

0.00

0.57

28

Mean dive duration (min) + % v-shaped dives +  bottom temperature (ºC)

283

1139.62

45.18

0.00

29

% v-shaped dives + distance traveled (km) + bathymetry (m)

283

1128.78

34.34

0.00

30

% v-shaped dives + distance traveled (km) + bottom temperature (ºC)

283

1103.64

9.20

0.01

31

% v-shaped dives + distance traveled (km) + bottom temperature (ºC) + mean dive duration (min)

282

1102.58

8.14

0.01



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