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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.