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1

Marion Island elephant seals: the paucity-of-males hypothesis tested

by Wilkinson, I S, van Aarde, R J
Published in Canadian Journal of Zoology (1999)
“... insemination rates. We tested this "paucity-of-males" hypothesis by looking at (i) adult sex ratios, (ii) male...”

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2

Marion Island elephant seals: the paucity-of-males hypothesis tested

by Wilkinson, I.S., van Aarde, R.J.
Published in Canadian Journal of Zoology (1999)

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3

The immunocompetence handicap hypothesis in two sexually dimorphic pinniped species - Is there a sex difference in immunity during early development?

by Hall, Ailsa J., Engelhard, Georg H., Brasseur, Sophie M. J. M., Vecchione, Anna, Burton, Harry R., Reijnders, Peter J. H.
Published in Developmental & Comparative Immunology (2003)
“...The 'immunocompetence handicap hypothesis' predicts that highly sexually dimorphic and polygynous...”

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4

The immunocompetence handicap hypothesis in two sexually dimorphic pinniped species - is there a sex difference in immunity during early development?

by Hall, A J, Englehard, G H, Brasseur, S M J M, Vecchione, A, Burton, H R, Reijnders, P J H
Published in Developmental & Comparative Immunology (2003)
“...The 'immunocompetence handicap hypothesis' predicts that highly sexually dimorphic and polygynous...”

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5

The immunocompetence handicap hypothesis in two sexually dimorphic pinniped species - is there a sex difference in immunity during early development?

by Hall, AJ, Englehard, GH, Brasseur, SMJM, Vecchione, A, Burton, HR, Reijnders, PJH
Published in Developmental & Comparative Immunology (2003)
“...The 'immunocompetence handicap hypothesis' predicts that highly sexually dimorphic and polygynous...”

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6

The immunocompetence handicap hypothesis in two sexually dimorphic pinniped species - there a sex difference in immunity during early development?

by Hall, A.J., Engelhard, G.H., Brasseur, S.M.J.M., Vecchione, A., Burton, H.R., Reijnders, P.J.H.
Published in Developmental & Comparative Immunology (2003)
“...The 'immunocompetence handicap hypothesis' predicts that highly sexually dimorphic and polygynous...”

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7

The immunocompetence handicap hypothesis in two sexually dimorphic pinniped species - is there a sex difference in immunity during early development?

by Hall, A J, Englehard, G H, Brasseur, S M J M, Vecchione, A, Burton, H R, Reijnders, P J H
Published in Developmental & Comparative Immunology (2003)
“...The 'immunocompetence handicap hypothesis' predicts that highly sexually dimorphic and polygynous...”

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8

Density-related reproductive costs and natal conditions predict male life history in a highly polygynous mammal

by Lloyd, Kyle J., Oosthuizen, W. Chris, Rotella, Jay J., Bester, Marthán N., de Bruyn, P.J. Nico
Published 2023
Subjects: “...trade-off hypothesis...”

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9

Data from: Density-related reproductive costs and natal conditions predict male life history in a highly polygynous mammal

by Kyle Lloyd (11163960), W Christiaan Oosthuizen (6966869), Jay Rotella (3633898), Marthán N. Bester (10822823), P J Nico de Bruyn (7887209)
Published 2022
Subjects: “...trade-off hypothesis...”

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10

Density-related reproductive costs and natal conditions predict male life history in a highly polygynous mammal

by Lloyd, Kyle J., Oosthuizen, Wessel Christiaan, Rotella, Jay J., Bester, Marthan Nieuwoudt, De Bruyn, P.J. Nico
Published in Animal Behaviour (2023)
Subjects: “...Trade-off hypothesis...”

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11

Offspring sex ratio variation in the bridled nailtail wallaby, Onychogalea fraenata

by Fisher, Diana O.
Published in Behavioral Ecology and Sociobiology (1999)
Subjects: “...Trivers-willard Hypothesis...”

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12

MassIVE MSV000084033 - GNPS_GC_Metabolomics_Workbench_ST000048_Metabolomic & lipidomic profiles in response to exogenous insulin & GLP-1 infusions during prolonged fasting (GCMS) : This application requests funding to access state-of-the-art metabolomics and lipidomic platforms at the NIH West Coast Metabolomics Center to analyze plasma samples from recent insulin and glucagon-like peptide-1 (GLP-1) infusion experiments performed in prolong-fasted elephant seals. This suite of studies was designed to better assess the mechanisms contributing to the onset of an insulin resistantlike condition induced by prolonged food deprivation/starvation in mammals. Because elephant seals have evolved robust physiological mechanisms that have allowed them to naturally tolerate such protracted bouts of fasting, they provide an ideal model to address our central hypothesis that increased lipid utilization late in the fast contributes to insulin...

by Fiehn, Oliver
Published 2019

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13

Drift diving in female northern elephant seals: implications for food processing

by Crocker, Daniel E., Boeuf, Burney J. Le, Costa, Daniel P.
Published in Canadian Journal of Zoology (1997)
“...We tested predictions from the hypothesis that northern elephant seals, Mirounga angustirostris...”

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14

Population status, trends and a re‐examination of the hypotheses explaining the recent declines of the southern elephant seal Mirounga leonina

by MCMAHON, CLIVE R., BESTER, MARTHÁN N., BURTON, HARRY R., HINDELL, MARK A., BRADSHAW, COREY J. A.
Published in Mammal Review (2005)
“... (vi, vii). 3. The interspecific competition hypothesis is difficult to test because it requires...”

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15

Proof of Concept to Isolate and Culture Primary Muscle Cells from Northern Elephant Seals to Study the Mechanisms that Maintain Aerobic Metabolism Under the Hypoxic Conditions of B...

by Kanatous, Shane B
Published 2012
“... elephant seals. OBJECTIVES: Objective 1. To test the hypothesis that the skeletal muscle cells of diving...”

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16

Population status trends and a re-examination of the hypotheses explaining the recent declines of the southern elephant seal Mirounga leonina

by McMahon, C., Bester, M., Burton, H., Hindell, M., Bradshaw, C.
Published in Mammal Review (2005)
“...) and two are plausible (vi, vii). 3. The interspecific competition hypothesis is difficult to test because...”

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17

Ontogeny of foraging behaviour during the early life of deep diving predators

by Orgeret, Florian
Published 2018
“... patterns of juvenile‘s long-lived organisms. First, according to the ―dispersion‖ hypothesis, juveniles...”

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18

Comparison of Aggression between Female Elephant Seals with Pups and without Pups towards Non-Filial Pups

by Bhayani, Sejal, Centeno, Antonia, Nguyen, Quang
Published 2012
“...Our research tests the hypothesis that adult female elephant seals with pups are more aggressive...”

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19

Comparison of Aggression between Female Elephant Seals with Pups and without Pups towards Non-Filial Pups

by Bhayani, Sejal, Centeno, Antonia, Nguyen, Quang
Published 2012
“...Our research tests the hypothesis that adult female elephant seals with pups are more aggressive...”

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20

Ontogeny of foraging behaviour during the early life of deep diving predators

by Orgeret, Florian
Published 2018
“... patterns of juvenile‘s long-lived organisms. First, according to the ―dispersion‖ hypothesis, juveniles...”

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Doctoral or Postdoctoral Thesis