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Bornemann, Horst; Mohr, Elmar; Plötz, Joachim; Krause, Gunther (1998): Dive depth profile, stomach temperature profile and immobilisation data of adult male and female Weddell seals at Drescher Inlet from expedition DRE1995 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.603345, Supplement to: Bornemann, H et al. (1998): The tide as zeitgeber for Weddell seals. Polar Biology, 20(6), 396-403, https://doi.org/10.1007/s003000050320

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Abstract:
Adult male and female Weddell seals (Leptonychotes weddellii) were fitted with Time-depth (TDR) and Stomach temperature recorders (STR) at Drescher Inlet (Riiser Larsen Ice Shelf), eastern Weddell Sea coast, between January and March 1995. Ten of 15 data sets were selected for analyses to investigate the seals' haul-out and underwater activity patterns in relation to the tide (doi:10.1594/PANGAEA.511417, doi:10.1594/PANGAEA.511426, doi:10.1594/PANGAEA.511428, doi:10.1594/PANGAEA.511430, doi:10.1594/PANGAEA.511432, doi:10.1594/PANGAEA.511441, doi:10.1594/PANGAEA.511444, doi:10.1594/PANGAEA.511450, doi:10.1594/PANGAEA.511452, doi:10.1594/PANGAEA.511472). These data sets provided simultaneous dive depth and stomach temperature records of five seals. Diving and temperature data were analysed with the help of time series analyses tools. We identified a half-day (semicircadian) rhythm in underwater activity and body temperature. A close correlation was found between the rhythmicity of the tide and the timing of the seals' underwater activity and oscillations of their body temperature. We propose that the tide is the principal zeitgeber for the Weddell seals' ultradian cycle of behaviour during the austral summer. Another seven data sets did not match with the requirement of synchronous dive depth and stomach temperature recordings (doi:10.1594/PANGAEA.511451, doi:10.1594/PANGAEA.511429, doi:10.1594/PANGAEA.511446, doi:10.1594/PANGAEA.511447, doi:10.1594/PANGAEA.511448). A total of 13 Weddell seals were immobilised during the study period using a combination of ketamine, xylazine, and diazepam. Eleven seals were drugged once, and two were drugged two times, coming to a total of 15 immobilisation procedures. Narcoses were terminated with yohimbine (doi:10.1594/PANGAEA.438927).
Project(s):
Marine Mammal Tracking (MMT)
Coverage:
Latitude: -72.866700 * Longitude: -19.433300
Date/Time Start: 1995-01-23T12:37:00 * Date/Time End: 1995-03-01T14:15:05
Event(s):
DRE1995_wed_a_f_03 * Latitude Start: -72.866700 * Longitude Start: -19.433300 * Latitude End: -72.866700 * Longitude End: -19.433300 * Date/Time Start: 1995-01-30T12:00:00 * Date/Time End: 1995-02-17T16:00:00 * Campaign: DRE1995 (ANT-XII/3, PS34) * Basis: Drescher Camp * Method/Device: Marine endotherm (MET) * Comment: Leptonychotes weddellii, adult female
DRE1995_wed_a_f_08 * Latitude: -72.866700 * Longitude: -19.433300 * Date/Time Start: 1995-02-11T12:22:00 * Date/Time End: 1995-02-23T15:35:00 * Campaign: DRE1995 (ANT-XII/3, PS34) * Basis: Drescher Camp * Method/Device: Marine endotherm (MET) * Comment: Leptonychotes weddellii, adult female
DRE1995_wed_a_f_10 * Latitude: -72.866700 * Longitude: -19.433300 * Date/Time Start: 1995-02-15T12:00:00 * Date/Time End: 1995-02-25T12:00:00 * Campaign: DRE1995 (ANT-XII/3, PS34) * Basis: Drescher Camp * Method/Device: Marine endotherm (MET) * Comment: Leptonychotes weddellii, adult female
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
16 datasets

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Datasets listed in this publication series

  1. Bornemann, H; Mohr, E; Plötz, J et al. (1998): Immobilisation dose rates for Weddell seals during expedition DRE1995. https://doi.org/10.1594/PANGAEA.438927
  2. Bornemann, H; Mohr, E; Plötz, J et al. (1998): Dive depth profile of Weddell seal DRE1995_wed_a_f_03 from Drescher Inlet, first time series. https://doi.org/10.1594/PANGAEA.511441
  3. Bornemann, H; Mohr, E; Plötz, J et al. (1998): Dive depth profile of Weddell seal DRE1995_wed_a_f_03 from Drescher Inlet, second time series. https://doi.org/10.1594/PANGAEA.511444
  4. Bornemann, H; Mohr, E; Plötz, J et al. (1998): Stomach temperature profile of Weddell seal DRE1995_wed_a_f_03 from Drescher Inlet, first time series. https://doi.org/10.1594/PANGAEA.511417
  5. Bornemann, H; Mohr, E; Plötz, J et al. (1998): Stomach temperature profile of Weddell seal DRE1995_wed_a_f_03 from Drescher Inlet, second time series. https://doi.org/10.1594/PANGAEA.511426
  6. Bornemann, H; Mohr, E; Plötz, J et al. (2006): Dive depth profile of Weddell seal DRE1995_wed_a_f_08 from Drescher Inlet. https://doi.org/10.1594/PANGAEA.511446
  7. Bornemann, H; Mohr, E; Plötz, J et al. (2006): Dive depth profile of Weddell seal DRE1995_wed_a_f_10 from Drescher Inlet. https://doi.org/10.1594/PANGAEA.511447
  8. Bornemann, H; Mohr, E; Plötz, J et al. (2006): Dive depth profile of Weddell seal DRE1995_wed_a_f_12 from Drescher Inlet. https://doi.org/10.1594/PANGAEA.511448
  9. Bornemann, H; Mohr, E; Plötz, J et al. (1998): Dive depth profile of Weddell seal DRE1995_wed_a_m_01 from Drescher Inlet. https://doi.org/10.1594/PANGAEA.511450
  10. Bornemann, H; Mohr, E; Plötz, J et al. (1998): Stomach temperature profile of Weddell seal DRE1995_wed_a_m_01 from Drescher Inlet. https://doi.org/10.1594/PANGAEA.511428
  11. Bornemann, H; Mohr, E; Plötz, J et al. (2006): Stomach temperature profile of Weddell seal DRE1995_wed_a_m_02 from Drescher Inlet. https://doi.org/10.1594/PANGAEA.511429
  12. Bornemann, H; Mohr, E; Plötz, J et al. (2006): Dive depth profile of Weddell seal DRE1995_wed_a_m_04 from Drescher Inlet. https://doi.org/10.1594/PANGAEA.511451
  13. Bornemann, H; Mohr, E; Plötz, J et al. (1998): Dive depth profile of Weddell seal DRE1995_wed_a_m_05 from Drescher Inlet. https://doi.org/10.1594/PANGAEA.511472
  14. Bornemann, H; Mohr, E; Plötz, J et al. (1998): Stomach temperature profile of Weddell seal DRE1995_wed_a_m_05 from Drescher Inlet. https://doi.org/10.1594/PANGAEA.511432
  15. Bornemann, H; Mohr, E; Plötz, J et al. (1998): Dive depth profile of Weddell seal DRE1995_wed_a_m_09 from Drescher Inlet. https://doi.org/10.1594/PANGAEA.511452
  16. Bornemann, H; Mohr, E; Plötz, J et al. (1998): Stomach temperature profile of Weddell seal DRE1995_wed_a_m_09 from Drescher Inlet. https://doi.org/10.1594/PANGAEA.511430