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Keywords: diving physiology
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Journal Articles
J Exp Biol (2024) 227 (5): jeb246334.
Published: 5 March 2024
... of diving bradycardia depending on their diving behaviour, similar to that shown by marine mammals and birds. Summary: The heart rate reduction in free-ranging loggerhead turtles during diving is affected by dive depth. Diving physiology Diving bradycardia Electrocardiogram Caretta caretta...
Journal Articles
JEB: 100 years of discovery
Series: CENTENARY ARTICLE
J Exp Biol (2023) 226 (20): jeb245832.
Published: 16 October 2023
... and trade-offs. Addressing such questions on large marine animals is best done in the field, given the difficulty of replicating the environment of these animals in the lab. This Review examines the long history of research on diving physiology and behavior. We show how innovative technology and the careful...
Journal Articles
J Exp Biol (2022) 225 (10): jeb243872.
Published: 20 May 2022
... of the area under the curve in the signal band to the area under the rest of the curve, up to 60 beats min −1 . (B) Heart rates observed in the 3D blue whale BCG followed characteristic diving physiology patterns. Heart rate is lowest at the start of the dive (∼4–5 beats min −1 ), increasing towards ascent...
Includes: Supplementary data
Journal Articles
J Exp Biol (2022) 225 (9): jeb243922.
Published: 5 May 2022
... . Physiol. Biochem. Zool. 76 , 679 - 694 . 10.1086/377745 Lutcavage , M. E. and Lutz , P. L. ( 1997 ). Diving physiology . In The Biology of Sea Turtles (ed. P. L. Lutz and J. A. Musick ), pp. 277 - 296 . Boca Raton : CRC Press . Lutz , P. L...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (2): jeb235507.
Published: 26 January 2021
... . Physiol. Biochem. Zool. 87 , 160 - 171 . 10.1086/671811 Ponganis , P. J. ( 2011 ). Diving mammals . Compr. Physiol. 1 , 447 - 465 . 10.1002/cphy.c091003 Ponganis , P. ( 2015 ). Diving Physiology of Marine Mammals and Seabirds . Cambridge , UK : Cambridge...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (17): jeb226365.
Published: 6 September 2020
... cause large variation in f H , thereby confounding temporal averages of f H . Diving physiology Marine mammals Cardiac ultrasound Cetaceans Aortic flow Ejection fraction Dive response Respiratory sinus arrythmia Summary: Data from five species of cetaceans show a strong...
Journal Articles
J Exp Biol (2020) 223 (12): jeb216846.
Published: 25 June 2020
... at a given pressure may be 12–50% less than from the start of the dive; the actual difference will depend on the length of the dive, the cardiac output, the pulmonary shunt and the metabolic rate. Novel methods and improved understanding of diving physiology will be required to verify the size of the effects...
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Journal Articles
J Exp Biol (2020) 223 (4): jeb219691.
Published: 17 February 2020
.... and Ponganis , P. J. ( 2018 ). Diving physiology . In Encyclopedia of Marine Mammals (ed. W. F.   Perrin , B.   Würsiga and J. G. M.   Thewissen ), pp. 267 - 271 . Elsevier . Leith , D. E. ( 1970 ). Comparative mammalian respiratory mechanics . Physiologist   19 , 485 - 510...
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Journal Articles
J Exp Biol (2018) 221 (23): jeb179820.
Published: 4 December 2018
... pulmonary perfusion during diving, but this may become a liability during stress at depth, which may increase inert gas uptake resulting in gas emboli. Blood flow Decompression sickness Diving physiology Pulmonary blood flow Stress Marine vertebrates have developed a variety of mechanisms...
Journal Articles
J Exp Biol (2018) 221 (1): jeb168740.
Published: 9 January 2018
... by The Company of Biologists Ltd 2018 Summary: Porpoise dive heart rates are influenced by exercise and expectations, yet there is no increase in heart rate associated with prey capture sprints. Diving physiology Bradycardia Dive response Cetacean Heart rate regulation Exercise...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (8): 1533–1540.
Published: 15 April 2017
... lions. Use of a stroke–glide strategy also contributes to minimization of work effort. Diving physiology Flipper stroke rate Marine mammal Venous oxygen Optimal management of oxygen stores underlies the breath-hold capacity of air-breathing divers. The utilization of oxygen stores...
Journal Articles
Journal Articles
J Exp Biol (2015) 218 (16): 2620–2630.
Published: 1 August 2015
... is related to lipid composition; most tissues exceed the fat nitrogen solubility value traditionally used in marine mammal gas dynamics models. Diving physiology Toothed whale Acoustic fats Decompression sickness Embolism Marine mammals are superlative divers, and it has been suggested...
Includes: Supplementary data
Journal Articles
J Exp Biol (2015) 218 (13): 2030–2038.
Published: 1 July 2015
... Highlighted Article: A custom-built pneumotachometer provides novel data on respiratory physiology and lung mechanics in bottlenose dolphins. Lung mechanics Total lung capacity Minimum air volume Excised lung Diving physiology Marine mammals Breath-hold diving mammals live a life of dual...
Journal Articles
J Exp Biol (2014) 217 (7): 1154–1166.
Published: 1 April 2014
... and drafting and editing of the manuscript. Competing interests The authors declare no competing financial interests. 27 6 2013 19 11 2013 © 2014. Published by The Company of Biologists Ltd 2014 Diving Lung collapse Pressure–volume Compliance Diving physiology Alveolar...
Journal Articles
J Exp Biol (2011) 214 (22): 3822–3828.
Published: 15 November 2011
.... This hypothesis has remained a central tenet in marine mammal diving physiology, with the assumption that this trait will reduce uptake of nitrogen (N 2 ) and the risk of decompression sickness. Nevertheless, only a few studies have attempted to determine how pressure affects gas exchange in forced or freely...
Journal Articles
J Exp Biol (2011) 214 (14): 2390–2397.
Published: 15 July 2011
... experimental hyperbaric lung compression dolphin seal diving physiology Decompression sickness (DCS) can result from the phase change of supersaturated tissues during diver ascent. The resultant potential for gas embolus formation, which may or may not be associated with tissue damage, remains...
Journal Articles
J Exp Biol (2008) 211 (22): 3573–3580.
Published: 15 November 2008
...-mail: [email protected] ) 15 9 2008 © The Company of Biologists Limited 2008 2008 field metabolic rate diving physiology marine mammal hypometabolism O 2 debt CO 2 exchange physiological plasticity The metabolic cost associated with foraging is a critical component...