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Table 2 The proportions and upper and lower 95% confidence limits of the frequencies of food items in 5 different areas across the study area

From: Dietary composition and spatial patterns of polar bear foraging on land in western Hudson Bay

 

Site #

Food item:

1

2

3

4

5

Birds

20.43

19.96

27.46

13.26

24.70

14.01

12.98

20.97

10.89

15.79

 

9.00

9.07

15.35

8.84

9.09

 

18.23

2.78

6.16

2.46

5.73

Eggs

12.98*

0.00

2.69

1.38

1.05

 

9.52

0.00

0.88

0.69

0.03

 

8.09

8.30

4.96

7.17

14.63

Caribou

3.82

3.82

2.15

5.38

7.37

 

1.42

1.25

0.59

3.93

3.01

 

7.25

1.49

4.64

4.45

5.73

Polar bears

3.18

0.00

1.61

3.00

1.05

 

1.04

0.00

0.33

1.93

0.03

 

6.36

3.10

2.96

1.28

3.81

Rodents

2.55

0.76

0.54

0.50

0.00

 

0.70

0.02

0.01

0.14

0.00

 

8.09

8.70

8.30

4.29

3.81

Seals

3.82

3.82

4.30

2.88

0.00

 

1.42

1.25

1.87

1.83

0.00

 

20.43

31.84

29.88

34.81

22.24

Lyme grass

14.01

23.66

23.12

32.04*

13.68

 

9.00

16.71

17.28

31.03

7.51

 

4.51

1.49

4.64

6.46

3.81

Lyme grass seed heads

1.27

0.00

1.61

4.76*

0.00

 

0.15

0.00

0.33

3.38

0.00

 

8.09

7.64

6.88

6.89

18.51

Other grasses

3.82

3.05

3.23

5.13

10.53*

 

1.42

0.84

1.19

3.71

5.16

 

26.16

47.10

32.15

23.39

7.39

Marine algae

19.11

38.17*

25.27

20.78

2.11

 

13.31

29.76

19.21

18.08

0.26

 

8.09

3.10

4.96

2.30

47.29

Berries

3.82

0.76

2.15

1.25

36.84*

 

1.42

0.02

0.59

0.60

27.16

 

7.25

3.10

9.66

6.61

5.73

Mushrooms

3.18

0.76

5.38

4.88

1.05

 

1.04

0.02

2.60

3.49

0.03

 

8.98

10.71

9.66

13.20

17.27

Moss

4.46

5.34

5.38

6.76

9.47

 

1.81

1.77

2.60

5.12

4.42

 

22.58

12.64

4.64

1.10

5.73

Garbage

15.92*

6.87

1.61

0.38

1.05

 

10.59

4.82

0.33

0.08

0.03

  1. Proportions (in bold) with confidence limits that do not overlap the proportions of another value are considered significantly different (*) from other values.