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James, Bridget C; McIntyre, Trevor; Tosh, Cheryl Ann; Bornemann, Horst; Plötz, Joachim; Bester, Marthán N (2012): Dive depth frequency of 23 adult male southern elephant seals (Mirounga leonina) from Marion Island and King George Island. PANGAEA, https://doi.org/10.1594/PANGAEA.785852, Supplement to: James, BC et al. (2012): Inter-population differences in diving behaviour of adult male southern elephant seals (Mirounga leonina). Polar Biology, 35(11), 1759-1766, https://doi.org/10.1007/s00300-012-1214-3

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Abstract:
Access to different environments may lead to inter-population behavioural changes within a species that allow populations to exploit their immediate environments. Elephant seals from Marion Island (MI) and King George Island (KGI) (Isla 25 de Mayo) forage in different oceanic environments and evidently employ different foraging strategies. This study elucidates some of the factors influencing the diving behaviour of male southern elephant seals from these populations tracked between 1999 and 2002. Mixed-effects models were used to determine the influence of bathymetry, population of origin, body length (as a proxy for size) and individual variation on the diving behaviour of adult male elephant seals from the two populations. Males from KGI and MI showed differences in all dive parameters. MI males dived deeper and longer (median: 652.0 m and 34.00 min) than KGI males (median: 359.1 m and 25.50 min). KGI males appeared to forage both benthically and pelagically while MI males in this study rarely reached depths close to the seafloor and appeared to forage pelagically. Model outputs indicate that males from the two populations showed substantial differences in their dive depths, even when foraging in areas of similar water depth. Whereas dive depths were not significantly influenced by the size of the animals, size played a significant role in dive durations, though this was also influenced by the population that elephant seals originated from. This study provides some support for inter-population differences in dive behaviour of male southern elephant seals.
Project(s):
Coverage:
Median Latitude: -56.879988 * Median Longitude: -19.182682 * South-bound Latitude: -75.698000 * West-bound Longitude: -62.828000 * North-bound Latitude: -38.211000 * East-bound Longitude: 69.812000
Date/Time Start: 1999-04-09T03:00:00 * Date/Time End: 2003-01-16T12:00:00
Size:
23 datasets

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Datasets listed in this publication series

  1. James, BC; McIntyre, T; Tosh, CA et al. (2005): Dive depth frequency of southern elephant seal JUB2000_sel_a_m_01 from King George Island. https://doi.org/10.1594/PANGAEA.264458
  2. James, BC; McIntyre, T; Tosh, CA et al. (2005): Dive depth frequency of southern elephant seal JUB2000_sel_a_m_02 from King George Island. https://doi.org/10.1594/PANGAEA.264459
  3. James, BC; McIntyre, T; Tosh, CA et al. (2005): Dive depth frequency of southern elephant seal JUB2000_sel_a_m_03 from King George Island. https://doi.org/10.1594/PANGAEA.264460
  4. James, BC; McIntyre, T; Tosh, CA et al. (2005): Dive depth frequency of southern elephant seal JUB2000_sel_a_m_04 from King George Island. https://doi.org/10.1594/PANGAEA.264461
  5. James, BC; McIntyre, T; Tosh, CA et al. (2005): Dive depth frequency of southern elephant seal JUB2000_sel_a_m_05 from King George Island. https://doi.org/10.1594/PANGAEA.264462
  6. James, BC; McIntyre, T; Tosh, CA et al. (2005): Dive depth frequency of southern elephant seal JUB2000_sel_a_m_06 from King George Island. https://doi.org/10.1594/PANGAEA.264463
  7. James, BC; McIntyre, T; Tosh, CA et al. (2005): Dive depth frequency of southern elephant seal JUB2000_sel_a_m_07 from King George Island. https://doi.org/10.1594/PANGAEA.264707
  8. James, BC; McIntyre, T; Tosh, CA et al. (2005): Dive depth frequency of southern elephant seal JUB2000_sel_a_m_08 from King George Island. https://doi.org/10.1594/PANGAEA.264464
  9. James, BC; McIntyre, T; Tosh, CA et al. (2005): Dive depth frequency of southern elephant seal JUB2000_sel_a_m_09 from King George Island. https://doi.org/10.1594/PANGAEA.264465
  10. James, BC; McIntyre, T; Tosh, CA et al. (2005): Dive depth frequency of southern elephant seal JUB2000_sel_a_m_10 from King George Island. https://doi.org/10.1594/PANGAEA.264466
  11. James, BC; McIntyre, T; Tosh, CA et al. (2005): Dive depth frequency of southern elephant seal JUB2000_sel_a_m_11 from King George Island. https://doi.org/10.1594/PANGAEA.264467
  12. James, BC; McIntyre, T; Tosh, CA et al. (2005): Dive depth frequency of southern elephant seal JUB2000_sel_a_m_12 from King George Island. https://doi.org/10.1594/PANGAEA.264468
  13. James, BC; McIntyre, T; Tosh, CA et al. (2005): Dive depth frequency of southern elephant seal JUB2000_sel_a_m_13 from King George Island. https://doi.org/10.1594/PANGAEA.264469
  14. James, BC; McIntyre, T; Tosh, CA et al. (2005): Dive depth frequency of southern elephant seal JUB2000_sel_a_m_14 from King George Island. https://doi.org/10.1594/PANGAEA.264470
  15. James, BC; McIntyre, T; Tosh, CA et al. (2005): Dive depth frequency of southern elephant seal MAR1999_sel_a_m_03 from Marion Island. https://doi.org/10.1594/PANGAEA.264748
  16. James, BC; McIntyre, T; Tosh, CA et al. (2005): Dive depth frequency of southern elephant seal MAR1999_sel_a_m_08 from Marion Island. https://doi.org/10.1594/PANGAEA.264749
  17. James, BC; McIntyre, T; Tosh, CA et al. (2005): Dive depth frequency of southern elephant seal MAR1999_sel_a_m_09 from Marion Island. https://doi.org/10.1594/PANGAEA.264750
  18. James, BC; McIntyre, T; Tosh, CA et al. (2005): Dive depth frequency of southern elephant seal MAR2002_sel_a_m_02 from Marion Island. https://doi.org/10.1594/PANGAEA.264471
  19. James, BC; McIntyre, T; Tosh, CA et al. (2005): Dive depth frequency of southern elephant seal MAR2002_sel_a_m_03 from Marion Island. https://doi.org/10.1594/PANGAEA.264472
  20. James, BC; McIntyre, T; Tosh, CA et al. (2005): Dive depth frequency of southern elephant seal MAR2002_sel_a_m_04 from Marion Island. https://doi.org/10.1594/PANGAEA.264473
  21. James, BC; McIntyre, T; Tosh, CA et al. (2005): Dive depth frequency of southern elephant seal MAR2002_sel_a_m_05 from Marion Island. https://doi.org/10.1594/PANGAEA.264474
  22. James, BC; McIntyre, T; Tosh, CA et al. (2005): Dive depth frequency of southern elephant seal MAR2002_sel_a_m_06 from Marion Island. https://doi.org/10.1594/PANGAEA.264475
  23. James, BC; McIntyre, T; Tosh, CA et al. (2005): Maximum dive depth of southern elephant seal MAR1999_sel_a_m_03 from Marion Island. https://doi.org/10.1594/PANGAEA.264751