Mirounga leonina
Five decades on: use of historical weaning size data reveals that a decrease in maternal foraging success underpins the long term decline in population of southern elephant seals (Mirounga leonina)
... (Mirounga leonina), a wide-ranging and dominant predator in the Antarctic and Southern Ocean ecosystem, experienced major population declines across much of its circumpolar distribution throughout the ...
11
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 ...
37
Historical ecology: a critique of François Péron’s account of Southern Elephant Seals, Mirounga leonina (Linn ),
... of Mirounga leonina at King Island, as outlined by Péron, differed starkly from what we now know about the species at its various sub- Antarctic breeding ...
10
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 ...
14
Bio physical characterisation of polynyas as a key foraging habitat for juvenile male southern elephant seals (Mirounga leonina) in Prydz Bay, East Antarctica
... (Mirounga leonina) habitat use within and around the polynyas of the Prydz Bay region (63˚E– 88˚E) in East Antarctica, and examined the bio-physical characteristics structuring polynyas as foraging ...
24
Local weather and body condition influence habitat use and movements on land of molting female southern elephant seals (Mirounga leonina)
... Southern elephant seals (Mirounga leonina) are known to move and aggregate while molting, but little is known about their behavior on land during this time. In this study, 60 adult females were monitored ...
10
Diurnal and seasonal variations in the duration and depth of the longest dives in southern elephant seals (Mirounga leonina): possible physiological and behavioural constraints
... This study seeks to understand how the physiological constraints of diving may change on a daily and seasonal basis. Dive data were obtained from southern elephant seals (Mirounga leonina) from South ...
14
Acoustic measurements of post dive cardiac responses in southern elephant seals (Mirounga leonina) during surfacing at sea
... (Mirounga leonina) are one of the most extreme divers, diving continuously at great depth and for long duration while travelling over large distances within the Southern ...
8
Brucella antibody seroprevalence in Antarctic seals (Arctocephalus gazella, Leptonychotes weddellii and Mirounga leonina)
... The Antarctic continent is one of the most remote areas of the world and contains up to 50% or more of the world’s pinnipeds, with 6 different species: crabeater seal Lobodon carcinophagus, Antarctic fur seal ...
7
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] ...
273
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] ...
47
Growth of the southern elephant seal Mirounga leonina (Linnaeus 1758) at Macquarie Island
... The southern elephant seal (lvfirounga leonina Linnaeus 1 7 5 8), is the largest pinniped and one of the most sexually dimorphic of all mammals (King 1 983; Le Boeuf and Laws 1 994). Capable of diving to over 1 ...
155
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] ...
10
Genotyping of TRIM5 locus in northern pig tailed macaques (Macaca leonina), a primate species susceptible to Human Immunodeficiency Virus type 1 infection
... from various species were aligned. No major differences were found in sequences of CypA inserted in TRIMCyp from diverse M leonina. The results clearly show that the sequences are homologous among the Old World ...
12
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 Linnaeus). ...
7
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 were given ...
8
Blood oxygen depletion during rest associated apneas of northern elephant seals (Mirounga angustirostris)
... Juvenile northern elephant seals (Mirounga angustirostris Gill), two females and seven males, aged 5–8·months, 51–86·kg, were obtained from the rehabilitation program of Sea World of San Diego and housed at ...
11
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] ...
8
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, with ...
12
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 their ...
8