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McIntyre, Trevor; Stansfield, Lauren J; Bornemann, Horst; Plötz, Joachim; Bester, Marthán N (2013): Hydrographic data from Atka Bay taken by Weddell seals during expedition NEU2008 with links to datasets. PANGAEA, https://doi.org/10.1594/PANGAEA.818467, Supplement to: McIntyre, T et al. (2013): Hydrographic influences on the summer dive behaviour of Weddell seals (Leptonychotes weddellii) in Atka Bay, Antarctica. Polar Biology, 36(11), 1693-1700, https://doi.org/10.1007/s00300-013-1384-7

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Abstract:
In order to gain insights into species-level behavioural responses to the physical environment, it is necessary to obtain information from various populations and at all times of year. We analysed the influences of physical environmental parameters on the mid-summer dive behaviour of Weddell seals (Leptonychotes weddellii) from a little-known population at Atka Bay, Antarctica. Dive depth distributions followed a typical bimodal pattern also exhibited by seals from other populations and seals targeted both shallow water layers of <50 m and depths near the seafloor. Increased stratification of temperature layers within the water column resulted in increased forage efforts by the seals through relatively high numbers of dives to the seafloor, as well as forage effort associated with shallow dives. We interpret these behavioural responses to be due to increased water temperature stratification resulting in the concentration of prey species in particular depth layers.
Project(s):
Coverage:
Median Latitude: -70.587470 * Median Longitude: -8.275630 * South-bound Latitude: -70.855000 * West-bound Longitude: -10.493000 * North-bound Latitude: -70.197000 * East-bound Longitude: -6.914000
Date/Time Start: 2008-11-16T16:57:12 * Date/Time End: 2009-02-02T03:10:00
Size:
18 datasets

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Datasets listed in this publication series

  1. Plötz, J; McIntyre, T; Bester, MN et al. (2009): Dive duration of Weddell seal NEU2008_wed_a_f_04 from Atka Bay. https://doi.org/10.1594/PANGAEA.714621
  2. Plötz, J; McIntyre, T; Bester, MN et al. (2009): Dive duration of Weddell seal NEU2008_wed_a_f_07 from Atka Bay. https://doi.org/10.1594/PANGAEA.714622
  3. Plötz, J; McIntyre, T; Bester, MN et al. (2009): Dive duration of Weddell seal NEU2008_wed_a_m_02 from Atka Bay. https://doi.org/10.1594/PANGAEA.714623
  4. Plötz, J; McIntyre, T; Bester, MN et al. (2009): Dive duration of Weddell seal NEU2008_wed_a_m_03 from Atka Bay. https://doi.org/10.1594/PANGAEA.714624
  5. Plötz, J; McIntyre, T; Bester, MN et al. (2009): Dive duration of Weddell seal NEU2008_wed_u_f_15 from Atka Bay. https://doi.org/10.1594/PANGAEA.714625
  6. Plötz, J; McIntyre, T; Bester, MN et al. (2009): Dive duration of Weddell seal NEU2008_wed_u_m_17 from Atka Bay. https://doi.org/10.1594/PANGAEA.714626
  7. Plötz, J; McIntyre, T; Bester, MN et al. (2009): Maximum dive depth of Weddell seal NEU2008_wed_a_f_04 from Atka Bay. https://doi.org/10.1594/PANGAEA.714627
  8. Plötz, J; McIntyre, T; Bester, MN et al. (2009): Maximum dive depth of Weddell seal NEU2008_wed_a_f_07 from Atka Bay. https://doi.org/10.1594/PANGAEA.714628
  9. Plötz, J; McIntyre, T; Bester, MN et al. (2009): Maximum dive depth of Weddell seal NEU2008_wed_a_m_02 from Atka Bay. https://doi.org/10.1594/PANGAEA.714629
  10. Plötz, J; McIntyre, T; Bester, MN et al. (2009): Maximum dive depth of Weddell seal NEU2008_wed_a_m_03 from Atka Bay. https://doi.org/10.1594/PANGAEA.714630
  11. Plötz, J; McIntyre, T; Bester, MN et al. (2009): Maximum dive depth of Weddell seal NEU2008_wed_u_f_15 from Atka Bay. https://doi.org/10.1594/PANGAEA.714631
  12. Plötz, J; McIntyre, T; Bester, MN et al. (2009): Maximum dive depth of Weddell seal NEU2008_wed_u_m_17 from Atka Bay. https://doi.org/10.1594/PANGAEA.714632
  13. Plötz, J; McIntyre, T; Bester, MN et al. (2009): Water temperature and salinity data from Weddell seal NEU2008_wed_a_f_04 from Atka Bay. https://doi.org/10.1594/PANGAEA.714615
  14. Plötz, J; McIntyre, T; Bester, MN et al. (2009): Water temperature and salinity data from Weddell seal NEU2008_wed_a_f_07 from Atka Bay. https://doi.org/10.1594/PANGAEA.714616
  15. Plötz, J; McIntyre, T; Bester, MN et al. (2009): Water temperature and salinity data from Weddell seal NEU2008_wed_a_m_02 from Atka Bay. https://doi.org/10.1594/PANGAEA.714617
  16. Plötz, J; McIntyre, T; Bester, MN et al. (2009): Water temperature and salinity data from Weddell seal NEU2008_wed_a_m_03 from Atka Bay. https://doi.org/10.1594/PANGAEA.714618
  17. Plötz, J; McIntyre, T; Bester, MN et al. (2009): Water temperature and salinity data from Weddell seal NEU2008_wed_u_f_15 from Atka Bay. https://doi.org/10.1594/PANGAEA.714619
  18. Plötz, J; McIntyre, T; Bester, MN et al. (2009): Water temperature and salinity data from Weddell seal NEU2008_wed_u_m_17 from Atka Bay. https://doi.org/10.1594/PANGAEA.714620