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Keywords: Marine Mammals
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Journal Articles
J Exp Biol (2021) 224 (18): jeb243198.
Published: 28 September 2021
... activation. Adrenocorticotropin Redox balance Marine mammals Glucocorticoids Antioxidants Receptor signaling National Science Foundation http://dx.doi.org/10.13039/100000001 1907155 1752814 National Defense Science and Engineering Graduate University...
Journal Articles
J Exp Biol (2021) 224 (Suppl_1): jeb228049.
Published: 24 February 2021
...Anthony M. Pagano; Terrie M. Williams ABSTRACT Rapid environmental changes in the Arctic are threatening the survival of marine species that rely on the predictable presence of the sea ice. Two Arctic marine mammal specialists, the polar bear ( Ursus maritimus ) and narwhal ( Monodon monoceros...
Journal Articles
J Exp Biol (2021) 224 (1): jeb227389.
Published: 11 January 2021
... that location (water or land) affects lung function in the walrus and should be considered when studying respiratory physiology in semi-aquatic marine mammals. ABSTRACT In the present study, we examined lung function in healthy resting adult (born in 2003) Pacific walruses ( Odobenus rosmarus divergens...
Journal Articles
J Exp Biol (2021) 224 (1): jeb234096.
Published: 07 January 2021
...Ashley M. Blawas; Douglas P. Nowacek; Austin S. Allen; Julie Rocho-Levine; Andreas Fahlman ABSTRACT Among the many factors that influence the cardiovascular adjustments of marine mammals is the act of respiration at the surface, which facilitates rapid gas exchange and tissue re-perfusion between...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (17): jeb226365.
Published: 06 September 2020
... a strong respiratory sinus arrythmia and an important cardiorespiratory coupling that enhances gas exchange. Diving physiology Marine mammals Cardiac ultrasound Cetaceans Aortic flow Ejection fraction Dive response Respiratory sinus arrythmia Variation in heart rate ( f H ) associated...
Journal Articles
J Exp Biol (2019) 222 (11): jeb191916.
Published: 13 June 2019
... in thermoregulatory and foraging costs, as has been proposed previously for other species of marine mammals ( Rosen et al., 2007 ). In summary, belugas in better physical condition may fare better under stressful circumstances, such as evading predators or ice entrapments, as they are predicted to have maximal...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (12): jeb177758.
Published: 22 June 2018
... , R. R. ( 2008 ). Fight or flight: antipredator strategies of baleen whales . Mammal. Rev.   38 , 50 - 86 . 10.1111/j.1365-2907.2008.00118.x Geraci , J. R. and Lounsbury , V. J. ( 2005 ). Marine Mammals Ashore: A Field Guide for Strandings . Baltimore, MD : National Aquarium...
Includes: Supplementary data
Journal Articles
J Exp Biol (2015) 218 (22): 3604–3610.
Published: 01 November 2015
...Stefan Miedler; Andreas Fahlman; Mónica Valls Torres; Teresa Álvaro Álvarez; Daniel Garcia-Parraga ABSTRACT Heart-rate ( f H ) changes during diving and exercise are well documented for marine mammals, but changes in stroke volume (SV) and cardiac output (CO) are much less known. We hypothesized...
Journal Articles
J Exp Biol (2015) 218 (13): 2030–2038.
Published: 01 July 2015
... Practical and ethical constraints have historically limited experimental options for studying how pressure affects gas exchange in marine mammals ( Kooyman and Sinnett, 1982 ; Ridgway and Howard, 1979 ). Theoretical studies have indicated that pulmonary gas exchange and cardiac output during diving...
Journal Articles
J Exp Biol (2013) 216 (22): 4144–4153.
Published: 15 November 2013
... hearing range with lower click peak and centre frequencies could probably be explained by age-related hearing loss (presbycusis). * Author for correspondence at present address: Marine Mammal and Marine Bioacoustics Laboratory, Sanya Institute of Deep-sea Science and Engineering of the Chinese...
Journal Articles
J Exp Biol (2011) 214 (20): 3325–3339.
Published: 15 October 2011
...Paul J. Ponganis; Jessica U. Meir; Cassondra L. Williams Summary Since the introduction of the aerobic dive limit (ADL) 30 years ago, the concept that most dives of marine mammals and sea birds are aerobic in nature has dominated the interpretation of their diving behavior and foraging ecology...
Journal Articles
J Exp Biol (2010) 213 (18): 3138–3143.
Published: 15 September 2010
...) . Mar. Mamm. Sci. 24 , 28 - 41 . Johnson S. C. ( 1967 ). Sound detection thresholds in marine mammals . In Marine Bioacoustics (ed. Tavolga W. N. ), pp. 247 - 260 . New York : Pergamon Press . Kastelein R. , Bunskoek P. , Hagedoorn M. , Au W. W. L...