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P. J. Ponganis
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Journal Articles

Penguin lungs and air sacs: implications for baroprotection, oxygen stores and buoyancy

P. J. Ponganis, J. St Leger, M. Scadeng
Journal: Journal of Experimental Biology
J Exp Biol (2015) 218 (5): 720–730.
DOI: https://doi.org/10.1242/jeb.113647
Published: 1 March 2015
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Journal Articles

Myoglobin production in emperor penguins

P. J. Ponganis, T. J. Welch, L. S. Welch, T. K. Stockard
Journal: Journal of Experimental Biology
J Exp Biol (2010) 213 (11): 1901–1906.
DOI: https://doi.org/10.1242/jeb.042093
Published: 1 June 2010
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Journal Articles

Investigation of the potential for vascular bubble formation in a repetitively diving dolphin

D. S. Houser, L. A. Dankiewicz-Talmadge, T. K. Stockard, P. J. Ponganis
Journal: Journal of Experimental Biology
J Exp Biol (2010) 213 (1): 52–62.
DOI: https://doi.org/10.1242/jeb.028365
Published: 1 January 2010
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Journal Articles

O 2 store management in diving emperor penguins

P. J. Ponganis, T. K. Stockard, J. U. Meir, C. L. Williams, K. V. Ponganis, R. Howard
Journal: Journal of Experimental Biology
J Exp Biol (2009) 212 (2): 217–224.
DOI: https://doi.org/10.1242/jeb.026096
Published: 15 January 2009
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Journal Articles

Returning on empty: extreme blood O 2 depletion underlies dive capacity of emperor penguins

P. J. Ponganis, T. K. Stockard, J. U. Meir, C. L. Williams, K. V. Ponganis, R. P. van Dam, R. Howard
Journal: Journal of Experimental Biology
J Exp Biol (2007) 210 (24): 4279–4285.
DOI: https://doi.org/10.1242/jeb.011221
Published: 15 December 2007
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Journal Articles

Blood oxygen depletion during rest-associated apneas of northern elephant seals ( Mirounga angustirostris )

T. K. Stockard, D. H. Levenson, L. Berg, J. R. Fransioli, E. A. Baranov, P. J. Ponganis
Journal: Journal of Experimental Biology
J Exp Biol (2007) 210 (15): 2607–2617.
DOI: https://doi.org/10.1242/jeb.008078
Published: 1 August 2007
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Journal Articles

Air sac P O 2 and oxygen depletion during dives of emperor penguins

T. Knower Stockard, J. Heil, J. U. Meir, K. Sato, K. V. Ponganis, P. J. Ponganis
Journal: Journal of Experimental Biology
J Exp Biol (2005) 208 (15): 2973–2980.
DOI: https://doi.org/10.1242/jeb.01687
Published: 1 August 2005
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Journal Articles

Stroke frequencies of emperor penguins diving under sea ice

R. P. van Dam, P. J. Ponganis, K. V. Ponganis, D. H. Levenson, G. Marshall
Journal: Journal of Experimental Biology
J Exp Biol (2002) 205 (24): 3769–3774.
DOI: https://doi.org/10.1242/jeb.205.24.3769
Published: 15 December 2002
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Journal Articles

Effects of training on forced submersion responses in harbor seals

P. D. Jobsis, P. J. Ponganis, G. L. Kooyman
Journal: Journal of Experimental Biology
J Exp Biol (2001) 204 (22): 3877–3885.
DOI: https://doi.org/10.1242/jeb.204.22.3877
Published: 15 November 2001
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Journal Articles

Post-dive blood lactate concentrations in emperor penguins, Aptenodytes forsteri.

P J Ponganis, G L Kooyman, L N Starke, C A Kooyman, T G Kooyman
Journal: Journal of Experimental Biology
J Exp Biol (1997) 200 (11): 1623–1626.
DOI: https://doi.org/10.1242/jeb.200.11.1623
Published: 1 June 1997
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Journal Articles

Emperor penguin oxygen consumption, heart rate and plasma lactate levels during graded swimming exercise.

G L Kooyman, P J Ponganis
Journal: Journal of Experimental Biology
J Exp Biol (1994) 195 (1): 199–209.
DOI: https://doi.org/10.1242/jeb.195.1.199
Published: 1 October 1994
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Journal Articles

Muscle temperature and swim velocity profiles during diving in a Weddell seal, Leptonychotes weddellii

P. J. Ponganis, G. L. Kooyman, M. A. Castellini, E. P. Ponganis, K. V. Ponganis
Journal: Journal of Experimental Biology
J Exp Biol (1993) 183 (1): 341–346.
DOI: https://doi.org/10.1242/jeb.183.1.341
Published: 1 October 1993
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Journal Articles

Metabolic rates of freely diving Weddell seals: correlations with oxygen stores, swim velocity and diving duration

M. A. Castellini, G. L. Kooyman, P. J. Ponganis
Journal: Journal of Experimental Biology
J Exp Biol (1992) 165 (1): 181–194.
DOI: https://doi.org/10.1242/jeb.165.1.181
Published: 1 April 1992
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Journal Articles

Heart rates and swim speeds of emperor penguins diving under sea ice

G. L. Kooyman, P. J. Ponganis, M. A. Castellini, E. P. Ponganis, K. V. Ponganis, P. H. Thorson, S. A. Eckert, Y. LeMaho
Journal: Journal of Experimental Biology
J Exp Biol (1992) 165 (1): 161–180.
DOI: https://doi.org/10.1242/jeb.165.1.161
Published: 1 April 1992
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