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Tosh, Cheryl Ann; Steyn, Jumari; Bornemann, Horst; van den Hoff, John; Stewart, Brent S; Plötz, Joachim; Bester, Marthán N (2012): At surface behaviour data of juvenile southern elephant seals from Marion Island between 2001 and 2006 with links to datasets. University of Pretoria, Department of Zoology & Entomology, doi:10.1594/PANGAEA.800276,
Supplement to: Tosh, CA et al. (2012): Marine habitats of juvenile southern elephant seals from Marion Island. Aquatic Biology, 17(1), 71-79, doi:10.3354/ab00463

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Abstract:
Marine mammals forage in dynamic environments characterized by variables that are continuously changing in relation to large-scale oceanographic processes. In the present study, behavioural states of satellite-tagged juvenile southern elephant seals (n = 16) from Marion Island were assessed for each reliable location, using variation in turning angle and speed in a state-space modelling framework. A mixed modelling approach was used to analyse the behavioural response of juvenile southern elephant seals to sea-surface temperature and proximity to frontal and bathymetric features. The findings emphasised the importance of frontal features as potentially rewarding areas for foraging juvenile southern elephant seals and provided further evidence of the importance of the area west of Marion Island for higher trophic-level predators. The importance of bathymetric features during the transit phase of juvenile southern elephant seal migrations indicates the use of these features as possible navigational cues.
Project(s):
Coverage:
Median Latitude: -47.125507 * Median Longitude: 36.680843 * South-bound Latitude: -66.435000 * West-bound Longitude: -1.747000 * North-bound Latitude: -40.774000 * East-bound Longitude: 52.052200
Date/Time Start: 2004-04-12T12:00:00 * Date/Time End: 2009-02-20T14:34:00
Event(s):
MAR2004_sel_s_m_17 * Latitude Start: -46.877500 * Longitude Start: 37.861500 * Latitude End: -46.755700 * Longitude End: 37.949900 * Date/Time Start: 2004-04-12T12:00:00 * Date/Time End: 2004-11-22T11:04:00 * Location: Southern Ocean - Indian sector * Campaign: MAR2004 * Basis: Marion Island Research Station * Device: Marine endotherm (MET) * Comment: Mirounga leonina, subadualt male
MAR2004_sel_u_m_09 * Latitude Start: -46.860800 * Longitude Start: 37.820100 * Latitude End: -46.481200 * Longitude End: 52.052200 * Date/Time Start: 2004-04-22T17:52:00 * Date/Time End: 2005-01-09T18:00:00 * Location: Southern Ocean - Indian sector * Campaign: MAR2004 * Basis: Marion Island Research Station * Device: Marine endotherm (MET) * Comment: Mirounga leonina, subadualt male
MAR2004_sel_y_m_16 * Latitude Start: -46.879100 * Longitude Start: 37.855700 * Latitude End: -46.943400 * Longitude End: 37.880900 * Date/Time Start: 2004-04-12T12:00:00 * Date/Time End: 2004-11-24T00:00:00 * Location: Southern Ocean - Indian sector * Campaign: MAR2004 * Basis: Marion Island Research Station * Device: Marine endotherm (MET) * Comment: Mirounga leonina, subadualt male
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Campaign of eventCampaign
2Event labelEvent
3Author(s)Author(s)
4Year of PublicationYear
5TitleTitle
6Reference/sourceReference
7Persistent IdentifierPersistent Identifier
Size:
235 data points

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