Skip to main content

Table 4 Differences in foraging and transiting habitat (mean ± standard deviation) using Mann–Whitney U tests with statistically significant results in italics

From: Behavior of satellite-tracked Antarctic minke whales (Balaenoptera bonaerensis) in relation to environmental factors around the western Antarctic Peninsula

 

Foraging

Transiting

U

P value

Whale 1

N

203

99

  

SIC (%)

51.18 ± 33.84

52.95 ± 33.87

10,131

0.91

SIE (km)

−187.72 ± 136.98

−125.71 ± 96.06

7174

5.47e−05

Bath. (km)

−2.76 ± 1.71

−2.23 ± 1.51

7457

0.00028

SST (C)

−0.69 ± 1.59

−1.27 ± 0.65

11,641

0.03

Whale 2

N

193

44

  

SIC (%)

17.95 ± 18.24

7.68 ± 13.75

6134

2.65e−07

SIE (km)

−48.65 ± 52.49

−19.24 ± 67.90

3378

0.035

Bath. (km)

−2.14 ± 1.74

−2.06 ± 1.71

4224

0.96

SST (C)

0.65 ± 2.19

−0.75 ± 1.09

5224

0.02

Whale 3

N

20

370

  

SIC (%)

2.07 ± 3.57

27.34 ± 11.00

234.5

< 2.2e−16

SIE (km)

1.82 ± 16.35

−28.86 ± 12.90

7059

7.94e−12

Bath. (km)

−0.17 ± 0.20

−0.40 ± 0.14

5853

9.27e−06

SST (C)

0.17 ± 0.90

−1.49 ± 0.15

7382

< 2.2e−16

  1. Periods with uncharacterized behavioral states were excluded. SIE specifically refers to the whales’ distance to the sea ice extent, with negative values indicating the whale is within the pack ice