... cetaceans from high-resolution accelerometer data using a ballistocardiogram. Physio-logging Cetacean Electrocardiogram Diving physiology Cardiovascular physiology Bio-logging Office of Naval Research http://dx.doi.org/10.13039/100000006 Stanford University http...

... during voluntary activity at different temperatures in the turtle, Trachemys scripta . 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...

... . 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 University Press . Ponganis , P. J...

... 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...

... 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...

... of intact lipid molecules are the key. N 2 solubility Adipose tissue Diving tetrapods Decompression sickness Diving physiology Diving tetrapods (e.g. sea turtles, seabirds and marine mammals) possess unique physiological adaptations for a life underwater ( Davis, 2014 ; reviewed...

... of the blowholes ( Racovitza, 1904 ; Scholander, 1940 ) and a slight enlargement of the rostrolateral bulge. Once inhalation is complete, the blowhole margins close and the rorqual dives. Nasal cavities Diving physiology Baleen whale Hydrostatic pressure Summary: The nasal plugs of rorqual...

... . J. Morphol.   271 , 654 - 673 . 10.1002/jmor.10823 Ponganis , P. J. ( 2015 ). Diving Physiology of Marine Mammals and Seabirds . Cornwall , UK : Cambridge University Press . Reed , J. Z. , Chambers , C. , Fedak , M. A. and Butler , P. J. ( 1994 ). Gas...

.... , Dennison , S. , Falke , K. J. , et al. ( 2012 ). Deadly diving? Physiological and behavioural management of decompression stress in diving mammals . Proc. Roy. Soc. B   279 , 1041 - 1050 . 10.1098/rspb.2011.2088 Hopkins , S. R. , Wang , T. , Hicks , J. W. ( 1996...

... 2018. Published 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...

... stroke rate has little impact on posterior vena caval oxygen depletion patterns in diving California sea 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...

... cardiovascular plasticity in awake and unrestrained cetaceans in water. Diving physiology Marine mammals Cardiac ultrasound Cetaceans Aortic flow Ejection fraction Cardiac reserve The volume of blood leaving the left heart (the cardiac output, CO) is a product of the volume of blood ejected...

... , A. O. , Costa , D. P. , Costidis , A. M. , Dennison , S. , Falke , K. J. , et al. ( 2012 ). Deadly diving? Physiological and behavioural management of decompression stress in diving mammals . Proc. R. Soc. B. Biol. Sci.   279 , 1041 - 1050 . 10.1098/rspb.2011.2088 Houser...

... 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 constraints. Time underwater needs to be maximized...

... of Biologists Ltd 2014 Diving Lung collapse Pressure–volume Compliance Diving physiology Alveolar compression The unique distribution of cartilage in the trachea and bronchi of marine mammals was noted by Scholander ( Scholander, 1940 ), who detailed that the extent, continuity and length...

... ( andreas_fahlman@yahoo.com ) 15 8 2011 © 2011. 2011 lung mechanics total lung capacity minimum air volume excised lung diving physiology In 1940, Per Scholander ( Scholander, 1940 ) published an article that described the unusual properties of the marine mammal respiratory system...

... 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 a potential problem for human...

...-mail: andreas_fahlman@yahoo.com ) 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...

... for Turtle 3), we used statistical analyses (Pearson Product–Moment Correlation) to examine the relationships between FMR, diving physiology and activity. We found several suggestive of strong positive relationships between FMRs and mean dive durations ( r 2 =0.991), bottom times( r 2 =0.992), percentage...

... diving physiology dive response diving behaviour heart rate bradycardia harbour seal Phoca vitulina methoctramine metoprolol prazosin sympathetic system parasympathetic system During diving, harbour seals rely on O 2 stores in their lungs,blood and muscles that are managed through...