Table 1 Data on instrumented bowhead whales in Disko Bay
From: Winter and spring diving behavior of bowhead whales relative to prey
U-dives | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
WHALE | Date of deployment | Sex | Days of deployment | Mean depth at whale locations (m) | Horizontal speed (m -s) | Number of dives | Number of dives U/V | Maximum depth of dives U/V (m) | Average number of dives pr. day U/V | Mean distance from bottom U/V (m) | Mean duration of bottom phase (s) | Mean bottom speed (m/s) | Mean depth <60 m (± SD) | Mean depth >60 m (± SD) | Proportion of time spent at the bottom % | Descent rate ms -1 | As-cent rate ms -1 |
BW1 | 28/4 | F | 33 | 210 | 0.26 | 3810 | 1884/195 | 186/256 | 116/57 | 76/293 | 481 | 0.6 | 29 (9) | 75 (101) | 32.67 | 1.36 | -0.73 |
BW2 | 12/5 | F | 1 | 147 | 0.75 | 84 | 51/15 | 112/138 | 84/15 | 114/118 | 488 | 1.5 | 40 (9) | 115 (51) | 45.06 | 0.42 | -0.48 |
BW3 | 5/5 | M | 2 | 124 | 0.59 | 294 | 147/49 | 195/270 | 147/25 | 74/60 | 702 | 1.5 | 40 (10) | 88 (32) | 31.99 | 0.61 | -0.57 |
BW4 | 2/5 | F | 1 | 110 | 0.33 | 40 | 19/15 | 129/182 | 40/15 | 89/74 | 780 | 0.3 | 48 (10) | 75 (5) | 37.26 | 0.65 | -0.78 |
BW5 | 31/3 | F | 25 | 214 | 0.22 | 1311 | 787/395 | 331/379 | 53/16 | 107/59 | 1070 | 0.4 | 30 (9) | 171 (57) | 31.24 | 0.62 | -0.67 |
BW6 | 7/3 | na | 5 | 140 | 0.54 | 202 | 92/91 | 236/266 | 41/53 | 66/134 | 1497 | 0.9 | 28 (8) | 181 (30) | 32.13 | 0.88 | -0.90 |
BW7 | 19/4 | M | 4 | 208 | 0.68 | 366 | 213/132 | 212/261 | 69/65 | 170/84 | 655 | na* | 30 (5) | 120 (49) | 42.01 | 0.35 | -0.45 |
BW8 | 14/3 | na | 7 | 277 | 0.66 | 644 | 177/217 | 312/389 | 56/31 | 134/207 | 951 | 1.3 | 46 (10) | 77 (155) | 27.61 | 0.66 | -0.69 |
BW9 | 23/3 | na | 27 | 194 | 0.72 | 856 | 608/127 | 427/582 | 32/5 | 145/82 | 1322 | 0.7 | 29 (9) | 129 (84) | 49.26 | 0.76 | -0.75 |
12 | 180 | 0.53 | 238 [0.14]/ | 71 [0.18]/ | 108 [0.11]/ | 883 | 0.9 | 36 | 115 | 37 | 0.66 | -0.70 | |||||
Mean across whales | 845 | 422/137 | |||||||||||||||
[0.36] | [0.10] | [0.13] | 303 [0.15] | 31 [0.23] | 123 [0.21] | [0.13] | [0.18] | [0.07] | [0.12] | [0.07] | [0.31] | [0.16] | |||||