Mirounga angustirostris
Decreased expression of adipose CD36 and FATP1 are associated with increased plasma non esterified fatty acids during prolonged fasting in northern elephant seal pups (Mirounga angustirostris)
... (Mirounga angustirostris) undergoes a 2–3 month post-weaning fast, during which it depends primarily on the oxidation of fatty acids to meet its energetic ...
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Hormonal regulation of glucose clearance in lactating northern elephant seals (Mirounga angustirostris)
... Temporal separation of foraging and reproduction has led to simultaneous extended fasting and lactation in several species of phocid seals, including northern elephant seals (Mirounga angustirostris ...
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Environment and activity affect skin temperature in breeding adult male elephant seals (Mirounga angustirostris)
... We followed 82 breeding male northern elephant seals (Mirounga angustirostris Linnaeus) between January and March 2008 at Año Nuevo State Park, CA, USA. Early in the breeding season, male elephant seals ...
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Blood oxygen depletion during rest associated apneas of northern elephant seals (Mirounga angustirostris)
... (Mirounga angustirostris), such breath-holds can last as long as 25·min, with mean durations of 7–10·min in animals ranging from older weanlings to adults (Blackwell and Le Boeuf, ...
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Terrestrial locomotion of the northern elephant seal (Mirounga angustirostris): limitation of large aquatically adapted seals on land?
... The aquatic specializations of phocid seals have restricted their ability to locomote on land. The amphibious northern elephant seal, Mirounga angustirostris, is the second largest phocid seal in the world, ...
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The contribution of nasal countercurrent heat exchange to water balance in the northern elephant seal, Mirounga angustirostris
... In the present study we investigated temporal nasal countercurrent heat exchange in the northern elephant seal by analysis of nasal morphology, measurement of nasal mucosal temperature g[r] ...
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Local weather and body condition influence habitat use and movements on land of molting female southern elephant seals (Mirounga leonina)
... Molting is a highly energy demanding phase as adult female elephant seals experience on average a mass loss of 5 kg/day (Boyd, Arnbom, & Fedak, 1993; Carlini, Marquez, Daneri, & Poljak, 1999; Hindell, Slip, & ...
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Marine Mammal and Sea Turtle Sightings During a Survey of the Endeavour Segment of the Juan de Fuca Ridge, British Columbia
... Holst, Meike. 2017. Marine mammal and sea turtle sightings during a survey of the Endeavour Segment of the Juan de Fuca Ridge, British Columbia. Canadian Field-Naturalist 131(2): 120–124. ...
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Acutely elevated vasopressin increases circulating concentrations of cortisol and aldosterone in fasting northern elephant seal (Mirounga angustirostris) pups
... seal Mirounga angustirostris undergo a 2–3 month fast, during which time they abstain from drinking seawater and are able to maintain their water balance by conserving the water liberated from oxidation of ...
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Respiration and heart rate at the surface between dives in northern elephant seals
... elephant seals Mirounga angustirostris (1.8–2.4 years old) from the Año Nuevo mainland in central California to a release site near Pioneer Seamount, 90 km to the northwest and 60 km west of the continental ...
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Environmental and physiological determinants of huddling behavior of molting female southern elephant seals (Mirounga leonina)
... Results 3.1.Thermal environment of molting elephant seals: habitats and stage of molt When we compared meteorological variables between transects and quadrat in 2012 and 2014-15, we obse[r] ...
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Modelling southern elephant seals Mirounga leonina using an individual based model coupled with a dynamic energy budget
... Higher trophic-level species are an integral component of any marine ecosystem. Despite their importance, methods for representing these species in end-to-end ecosystem models often have limited representation of life ...
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Brucella antibody seroprevalence in Antarctic seals (Arctocephalus gazella, Leptonychotes weddellii and Mirounga leonina)
... ABSTRACT: Brucellosis is a worldwide infectious zoonotic disease caused by Gram-negative bac- teria of the genus Brucella, and Brucella infections in marine mammals were first reported in 1994. A serosurvey investigating ...
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Water conservation in fasting northern elephant seals (Mirounga angustirostris)
... In order to determine whether increasing apnea duration leads to a reduction in water loss, and thus whether the activity of apneustic breathing is itself a behavioral strategy for water[r] ...
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Acoustic measurements of post dive cardiac responses in southern elephant seals (Mirounga leonina) during surfacing at sea
... Measuring physiological data in free-ranging marine mammals remains challenging, owing to their far-ranging foraging habitat. Yet, it is important to understand how these divers recover from effort expended underwater, ...
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Growth of the southern elephant seal Mirounga leonina (Linnaeus 1758) at Macquarie Island
... Differences have previously been recorded for growth patterns of elephant seals at South Georgia and Macquarie Island Figure 1 .2, with the Macquarie Island population believed to have a[r] ...
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Bio physical characterisation of polynyas as a key foraging habitat for juvenile male southern elephant seals (Mirounga leonina) in Prydz Bay, East Antarctica
... Antarctic coastal polynyas are persistent open water areas in the sea ice zone, and regions of high biological productivity thought to be important foraging habitat for marine predators. This study quantified southern ...
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Historical ecology: a critique of François Péron’s account of Southern Elephant Seals, Mirounga leonina (Linn ),
... François Péron’s quite detailed observations of Southern Elephant Seals, Mirounga leonina (Linn.), at King Island, Tasmania, in December 1802, are considered in the light of current knowledge of this species. ...
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Molecular Population Genetics of the Southern Elephant Seal Mirounga leonina
... T HE southern elephant seal Mirounga leonina has a tern differences were environmentally determined. Al- circumpolar distribution, and breeding colonies ternatively, the growth pattern differences could be ge- are ...
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Development and growth of Southern Elephant Seal (Mirounga Leonina ) (Linn )
... Development and growth of the elephant seal were considered along two main channels of ,thought, first the aspects of development which, by the definition given earlier, includes growth [r] ...
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