southern elephant seal
Growth of the southern elephant seal Mirounga leonina (Linnaeus 1758) at Macquarie Island
... on elephant seal populations, the stable South Georgia population (McCann and Rothery 1 98 8 ; Boyd et ...many southern hemisphere otariid species at rates of up to 1 5% per annum (Harwood and Rohani ...
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Molecular Population Genetics of the Southern Elephant Seal Mirounga leonina
... of southern elephant seals during that period would rate would decrease the frequency of shared alleles have been different from the current distribution, be- when one population separates into two and ...
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Southern elephant seal vagrants in Ecuador: a symptom of La Niña events?
... hooded seal, Cystophora cristata; southern elephants seals, ...fur seal, Arctocephalus philippii; Galapagos fur seals; Arctocephalus galapagoensis; Guadalupe fur seals, Arc- tocephalus towsendi) ...
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Instrumentation to track the southern elephant seal
... This dissertation describes the design and construction of a data logging device, interfaced with specialist sensors to track the southern elephant seal on its journey across the southern ...
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Three-dimensional space use during the bottom phase of southern elephant seal dives
... spatial-scales of 8–10 m and 17–19 m, possibly related to prey distribution and/or perception range of the predator. On that basis, we considered a wide range of prey detec- tion distance, 1.5, 9 and 18 m (according to ...
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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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Historical ecology: a critique of François Péron’s account of Southern Elephant Seals, Mirounga leonina (Linn ),
... the Southern Elephant Seal is consistent with much of what we know today, apart from the dimensions he gave for what undoubtedly were adult males, which he stated grew up to 20, 25 or even to 30 feet ...
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Beneath the sea ice : exploring elephant seal foraging strategy in Earth’s extreme Antarctic polar environment
... The Southern Ocean harbors one of the largest and most dynamic marine ecosystems on our planet which arises from the presence of two majors physical fea- tures dominating the ecosystem dynamics, (i) the Antarctic ...
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Arbovirus of Marine Mammals: a New Alphavirus Isolated from the Elephant Seal Louse, Lepidophthirus macrorhini
... of southern elephant seals (Mir- ounga leonina), roughly 78,000 animals (16), which are known to be infested with the blood-sucking louse Lepidophthirus macrorhini ...Island elephant seal ...
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The history of the elephant seal industry at Macquarie Island and an estimate of the pre sealing numbers
... The combination of large blubber deposits, high yield of quality oil and the relative ease of procuring and extracting it meant that the southern elephant seal was subjected to intense commercial ...
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Migrations of juvenile southern elephant seals from Macquarie Island
... The survival of southern elephant seal pups from Macquarie Island may be linked to them finding prey in one of the three general areas identified in this study, and the continued absence[r] ...
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Voyage of the "Mary and Sally" to Macquarie Island for the purpose of obtaining sea elephant oil and seal skins
... During this fortnight of easterly gales, whilst the brig was at sea, her shore party reported that, owing to bad weather, they had got but little oil and a small lot of 30 seal skins... [r] ...
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Chemical restraint of southern elephant seals (Mirounga leonina)
... Level of chemical restraint, heart rate, respiratory rate, blood gas and pH values for 10 min periods before and after each treatment with saline, anaesthetic or antagonist median, range[r] ...
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Prolonged fasting does not increase oxidative damage or inflammation in postweaned northern elephant seal pups
... Northern elephant seals naturally experience prolonged periods (up to three months) of absolute food and water deprivation while breeding, nursing, molting or weaning, with no apparent detrimental effects (Ortiz ...
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Intrinsic anti inflammatory properties in the serum of two species of deep diving seal
... of seal serum. We first compared the inflammatory response of Weddell seal monocytes cultured in standard conditions (DMEM, 1% penicillin/streptomycin), with commercially available serum (10% FBS) to medium ...
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Glucose production and substrate cycle activity in a fasting adapted animal, the northern elephant seal
... At 2 weeks postweaning, elephant seal pups have approximately 6.05·l of red blood cells (Thorson and Le Boeuf, 1994). Using rates of glucose consumption measured in red blood cells by Castellini et al. ...
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Respiration and heart rate at the surface between dives in northern elephant seals
... each seal: (i) a custom-made time/depth recorder (TDR) (Datagrabber, Santa Cruz, California, USA) for recording the diving pattern, (ii) a Sony TCD-D8 digital audio tape recorder (DAT) enclosed in an aluminum ...
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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)
... Acetylcarnitine, which nearly doubled in late-fasted seals, made up the majority of the acylcarnitines in plasma and increased concentrations were coincident with higher levels of medium- chain fatty acid acylcarnitine ...
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Fractal landscape method: an alternative approach to measuring area restricted searching behavior
... We applied the method on real non-duty-cycled Argos tracks of 31 albatrosses and 20 elephant seals and the output was consistent with results from this study. In the Laysan albatross (Phoebastria immutabilis) ...
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Activation of systemic, but not local, renin–angiotensin system is associated with upregulation of TNF α during prolonged fasting in northern elephant seal pups
... Northern elephant seal pups naturally endure a 2–3 month post-weaning fast that is associated with activation of systemic renin–angiotensin system (RAS), a decrease in plasma adiponectin (Acrp30), and ...
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