Table 1.
At-sea field metabolic rates (FMR), foraging success and behavioural variables and the tag frontal surface area (FSA) by seal and season
| Seal | Season | At-sea FMR (W kg−1) | Mass changea (kg) | Water influx (ml kg−1 day−1) | Trip duration (days) | % dive | Depth (m) | FA cluster | Tag FSAb (cm2) |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Fall | 7.79 | 4.1 | 184.4 | 2.8 | 10.7 | 45.4 | 1 | 7.3 |
| 3 | Fall | 5.18 | 5.7 | 160.3 | 5.2 | 10.5 | 45.9 | 1 | 12.0 |
| 9 | Summer | 6.48 | 1.9 | 202.9 | 7.0 | 8.8 | 84.8 | 3 | 16.7 |
| 13 | Both | 6.14, 6.36 | −0.2, 12.1 | 135.9, 140.9 | 5.8, 9.3 | 19.0, 12.5 | 52.1, 34.8 | 3 | 17.8 |
| 16 | Fall | 6.89 | 8.3 | 197.2 | 8.7 | 10.8 | 12.4 | 1 | 12.0 |
| 18 | Both | 8.80, 7.91 | 4.4, 10.9 | 138.7, 119.1 | 5.5, 6.3 | 14.5, 13.2 | 34.8, 24.4 | 3, 2 | 16.7 |
| 22 | Fall | 6.75 | 7.4 | 174.9 | 7.6 | 12.7 | 21.4 | 3 | 16.7 |
| 25 | Summer | 6.84 | 0.5 | 142.1 | 6.8 | 20.8 | 42.4 | 3 | 13.8 |
| 35 | Fall | 7.00 | 5.0 | 124.8 | 2.8 | 10.7 | 18.1 | 3 | 17.79 |
| 60 | Fall | 7.42 | 8.8 | 118.0 | 8.7 | 16.4 | 16.6 | 3 | 7.28 |
| 61 | Fall | 6.62 | 2.4 | 195.1 | 8.1 | 15.3 | 23.9 | 2 | 7.28 |
| 67 | Fall | 7.29 | 1.0 | 173.7 | 9.1 | 23.9 | 12.6 | 1 | 7.28 |
| 70 | Fall | 6.67 | 4.9 | 128.6 | 7.6 | 11.3 | 68.7 | 2 | 7.28 |
| 74 | Fall | 6.99 | 6.4 | 143.0 | 9.8 | 11.1 | 12.5 | 3 | 7.4 |
| 77 | Fall | 6.47 | 7.2 | 149.1 | 6.4 | 14.2 | 32.3 | 2 | 7.4 |
| 343 | Both | 7.51, 6.90 | 2.7, 4.6 | 173.0, 157.2 | 6.5, 4.8 | 7.8, 12.8 | 12.5, 52.6 | 1, 2 | 12.0, 7.3 |
| 344 | Fall | 6.46 | 3.7 | 183.7 | 7.2 | 12.1 | 11.8 | 1 | 12.0 |
| 345 | Both | 6.47, 7.01 | 3.8, 8.0 | 168.5, 128.6 | 7.1, 8.1 | 9.9, 16.8 | 7.6, 15.5 | 1, 3 | 7.3 |
| 349 | Both | 6.70, 6.90 | 5.5, 2.9 | 143.5, 119.9 | 8.6, 6.9 | 12.5, 13.8 | 29.2, 14.4 | 2, 3 | 16.5 |
| 350 | Both | 6.20, 7.08 | 3.7, 6.8 | 168.9, 201.6 | 5.7, 7.5 | 12.1, 18.1 | 36.2, 11.6 | 1 | 16.5 |
| 355 | Both | 7.09, 6.76 | 5.5, 5.2 | 181.9, 154.7 | 6.0, 6.2 | 9.7, 12.6 | 32.0, 18.9 | 2, 3 | 7.3 |
| 356 | Summer | 6.61 | 3.9 | 187.3 | 7.8 | 6.9 | 10.2 | 1 | 12.0 |
| 357 | Fall | 6.80 | 1.7 | 176.2 | 5.2 | 9.2 | 28.7 | 2 | 13.8 |
| 360 | Both | 7.44 | 3.4, 4.5 | 196.6, 154.3 | 3.9, 6.3 | 15.0, 13.0 | 38.5, 13.9 | 2, 3 | 12.0 |
| 361 | Both | 5.52, 7.61 | 2.9, 5.9 | 157.5, 204.8 | 5.6, 6.5 | 13.2, 15.4 | 42.1, 57.9 | 2 | 16.45 |
| 362 | Both | 5.50, 7.98 | 6.9, 4.0 | 254.1, 225.7 | 7.9, 7.7 | 5.7, 8.1 | 10.5, 8.0 | 1 | 7.3 |
| 367 | Both | 5.54, 7.06 | 6.5, 6.5 | 212.5, 217.4 | 6.7, 8.4 | 16.3, 9.8 | 11.9, 6.0 | 1 | 13.8 |
| 370 | Both | 5.93, 6.48 | 1.4, 3.7 | 194.5, 212.0 | 6.2, 8.0 | 20.4, 13.4 | 12.6, 9.2 | 1 | 7.3 |
| 371 | Fall | 7.30 | 5.3 | 110.8 | 6.9 | 15.3 | 22.3 | 2 | 13.8 |
| 374 | Both | 6.77, 8.69 | 0.0, 7.6 | 144.0, 141.3 | 5.0, 6.4 | 14.8, 10.6 | 14.5, 15.7 | 1, 3 | 7.3 |
| 375 | Both | 6.94, 9.68 | 4.2, 0.3 | 153.5, 126.7 | 6.1, 3.3 | 15.7, 8.1 | 17.6, 37.3 | 1, 2 | 16.5 |
| 376 | Both | 7.54, 7.55 | 2.4, 1.7 | 168.5, 166.6 | 4.7, 5.8 | 20.2, 12.8 | 26.0, 36.1 | 1, 2 | 12.0 |
| 380 | Summer | 6.26 | 5.5 | 174.0 | 6.8 | 16.2 | 12.8 | 1 | 16.5 |
Summer values are presented first where applicable
a
Adjusted mass change as described in text
b
The FSA of the anterior tag except where the footprint of the second tag exceeded that of the first. In these cases, the additional FSA was added. For all animals, the FSA of the VHF tag was also added because it was typically offset.