Table 4. Average dive depth and the percentage of dives of adult male and female northern fur seals summarized for each Large Marine Ecosystem (LME) and grouped by daylight periods.
| Mean dive depth in meters ± SD | Percentage of dives (number of dives) | |||||||||||||
| LME | sex | day | >50% day | >50% night | night | day | >50% day | >50% night | night | Total Dives | ||||
| BB | F | 0 | ||||||||||||
| M | 117.4±54.0 | 115.7±24.1 | 39.6±40.8 | 62% | (966) | 5% | (84) | 0% | (0) | 32% | (503) | 1,553 | ||
| BS | F | 42.4±20.6 | 24.6±15.8 | 27.1±23.4 | 9% | (205) | 17% | (378) | 0% | (8) | 74% | (1,679) | 2,270 | |
| M | 78±45.0 | 74.8±50.0 | 62.4±36.7 | 19% | (1,240) | 9% | (583) | 0% | (0) | 73% | (4,874) | 6,697 | ||
| NP | F | 40.3±26.0 | 27.5±22.2 | 22.1±17.3 | 23.5±23.0 | 2% | (584) | 18% | (4,749) | 32% | (8,254) | 47% | (12,101) | 25,688 |
| M | 90±40.2 | 64.6±32.6 | 46.7±30.7 | 24.8±18.3 | 63% | (24,436) | 12% | (4,781) | 13% | (5,179) | 12% | (4,696) | 39,092 | |
| AS | F | 21.1±16.4 | 18.9±8.5 | 15.6±6.6 | 4% | (170) | 17% | (697) | 0% | (0) | 79% | (3,205) | 4,072 | |
| M | 158.7±72.0 | 169.3±58.2 | 31.9±33.7 | 51% | (711) | 32% | (450) | 0% | (0) | 17% | (231) | 1,392 | ||
| CC | F | 37.1±19.5 | 28.5±13.1 | 25.3±13.4 | 22.7±10.6 | 33% | (1,323) | 46% | (1,857) | 10% | (391) | 11% | (437) | 4,008 |
| M | 0 | |||||||||||||
| GA | F | 33.1±41.8 | 31.4±15.4 | 39.6±22.9 | 29.7±22.5 | 0% | (31) | 17% | (3,115) | 41% | (7,460) | 42% | (7,559) | 18,165 |
| M | 0 | |||||||||||||
NP = North Pacific Ocean; AS = Alaska Stream; BB = Bering Sea Basin; BS = Bering Sea Shelf; CC = California Current; GA = Gulf of Alaska; F = female; M = male.