Table 3 Summary of mass and energy gains for elephant seals instrumented with accelerometers (N = 22)
Migration | Seal | Mass Gain (%) | Adipose Gain (kg) | Lean Gain (kg) | Net E Gain (MJ) | Gross E Gain (MJ) |
|---|---|---|---|---|---|---|
ST: Short trip | U954 | 31.7 | 35.3 | 45.8 | 1539 | 4185 |
U605 | 27.8 | 27.1 | 48.0 | 1266 | 3869 | |
U627 | 43.7 | 49.2 | 70.3 | 2187 | 6021 | |
T911 | 20.3 | 23.6 | 39.7 | 1086 | 3877 | |
1015 | 21.9 | 39.4 | 30.6 | 1589 | 4851 | |
X851 | 31.1 | 54.1 | 45.9 | 2205 | 5676 | |
T35 | 25.2 | 41.2 | 44.9 | 1742 | 5472 | |
N796A | 29.5 | 48.6 | 52.0 | 2051 | 5652 | |
R541 | 37.2 | 61.9 | 61.1 | 2579 | 6688 | |
1733 | 11.8 | 4.4 | 40.8 | 413 | 3681 | |
N796B | 26.9 | 42.8 | 53.7 | 1856 | 5488 | |
W1095 | 17.9 | 28.1 | 43.2 | 1268 | 5339 | |
R382 | 15.5 | 27.1 | 40.0 | 1215 | 4426 | |
LT: Long trip (pregnancy) | U458 | 96.0 | 66.4 | 202.6 | 3635 | 11029 |
T730 | 66.4 | 68.8 | 132.9 | 3280 | 10727 | |
X106 | 89.5 | 98.5 | 183.9 | 4655 | 13042 | |
U754 | 103.7 | 121.0 | 188.7 | 5480 | 14707 | |
2036 | 117.6 | 87.3 | 292.2 | 4944 | 13531 | |
U203 | 65.1 | 72.0 | 185.0 | 3721 | 11520 | |
DG: Short trip (added drag) | 1234 | 11.8 | 18.8 | 22.9 | 810 | 5714 |
M780 | 8.9 | 16.7 | 15.5 | 690 | 4499 | |
2370 | 16.6 | −0.4 | 41.7 | 252 | 4501 | |
Mean ST | 26.2 | 37.1 | 47.4 | 1615 | 5017 | |
(S.E.) | (2.5) | (4.2) | (2.8) | (160) | (261) | |
Mean LT | 89.7 | 85.7 | 197.6 | 4286 | 12426 | |
(S.E.) | (8.5) | (8.7) | (21.3) | (354) | (645) | |
Mean DG | 12.4 | 11.7 | 26.7 | 584 | 4905 | |
(S.E.) | (2.2) | (6.1) | (7.8) | (170) | (404) |