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Keywords: critical oxygen tension
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Journal Articles
J Exp Biol (2021) 224 (3): jeb232512.
Published: 4 February 2021
.... and Richards , J. G . ( 2013 ). Critical oxygen tensions as predictors of hypoxia tolerance and tissue metabolic responses during hypoxia exposure in fishes . J. Exp. Mar. Bio. Ecol . 449 , 239 - 249 . 10.1016/j.jembe.2013.10.006 Spicer , J. I . ( 2014 ). What can an ecophysiological...
Journal Articles
J Exp Biol (2019) 222 (22): jeb203646.
Published: 13 November 2019
... , 252 - 264 . 10.1111/jfb.12837 Speers-Roesch , B. , Richards , J. G. , Brauner , C. J. , Farrell , A. P. , Hickey , A. J. , Wang , Y. S. and Renshaw , G. M. ( 2012 ). Hypoxia tolerance in elasmobranchs. I. Critical oxygen tension as a measure of blood oxygen...
Journal Articles
J Exp Biol (2019) 222 (18): jeb210633.
Published: 26 September 2019
...Jessica E. Reemeyer; Bernard B. Rees ABSTRACT The critical oxygen tension ( P crit ) for fishes is the oxygen level below which the rate of oxygen consumption ( Ṁ O 2 ) becomes dependent upon ambient oxygen partial pressure ( P O 2 ). We compare multiple curve-fitting approaches to estimate P crit...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (22): jeb163717.
Published: 12 November 2018
... Ltd 2018 Summary: This Commentary argues that the concept of the critical oxygen tension in water-breathers is fundamentally flawed for many reasons, and it presents the case for more useful alternatives. Critical oxygen tension Standard metabolic rate Routine metabolic rate Active...
Journal Articles
J Exp Biol (2018) 221 (8): jeb168039.
Published: 13 April 2018
... aquatic respiratory function, in contrast to typical water-breathing species. Interlamellar cell mass Metabolic rate Critical oxygen tension Trade-offs Inbreeding depression Oxygen availability in aquatic systems is often spatially and temporally variable ( Crispo and Chapman, 2008 ; Diaz...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (4): 564–572.
Published: 15 February 2017
... . 10.1242/jeb.00594 Speers-Roesch , B. , Mandic , M. and Groom , D. J. E. ( 2013 ). Critical oxygen tensions as predictors of hypoxia tolerance and tissue metabolic responses during hypoxia exposure in fishes . J. Exp. Mar. Biol. Ecol.   449 , 239 - 249 . 10.1016/j.jembe.2013.10.006...
Journal Articles
J Exp Biol (2016) 219 (21): 3376–3383.
Published: 1 November 2016
... maxima in marine fishes under hypoxia. Aerobic scope Critical oxygen tension P crit Critical thermal maximum CT max Hypoxia Oxygen limit for thermal tolerance P CT max Temperature Marine ectotherms largely occupy the extent of latitudes tolerable within their thermal limits...
Journal Articles
J Exp Biol (2016) 219 (4): 474–484.
Published: 15 February 2016
... macrolepidotus , measured both as critical oxygen tension ( P crit ) and as time to LOE hyp . Warm acclimation offset the negative effects of temperature on time to LOE hyp to a similar extent in the two subspecies. Warm acclimation increased total lamellar surface area of the gill in both subspecies as a result...
Journal Articles
J Exp Biol (2014) 217 (24): 4387–4398.
Published: 15 December 2014
... (19.8 kPa P O 2 ) and hypoxia (2.5 kPa), with and without access to air; partitioning of standard in normoxia and hypoxia; maximum and partitioning after exercise; and critical oxygen tension ( P crit ). Additionally, the effects of temperature acclimation on haematocrit, haemoglobin oxygen affinity...
Includes: Supplementary data
Journal Articles
J Exp Biol (2013) 216 (24): 4590–4600.
Published: 15 December 2013
... differences, whereas fasting improved hypoxia resistance and critical oxygen tensions ( P crit ) lowered from 54 Torr in fed fish to 34 Torr when fasting. In fed fish, hypoxia reduced liver lipid stores by approximately 50% and total liver energy content by 30%. Fasted fish had a 50% lower hepatosomatic index...
Journal Articles
J Exp Biol (2009) 212 (19): 3132–3141.
Published: 1 October 2009
... of environmental stress( Teleman et al., 2005 ), and it is possible that such proteins could become more active under extreme hypoxia. metabolic rate reperfusion injury critical oxygen tension hypoxic response hyperoxia Understanding how organisms respond to, and tolerate low O 2 tensions has...
Journal Articles
J Exp Biol (2008) 211 (10): 1535–1540.
Published: 15 May 2008
... O 2 consumption rates( V̇ O 2 ) of eggs at varying P O 2 to determine their critical oxygen tension (i.e. the minimal P O 2 that supports normal respiratory gas exchange) and to predict the impact that naturally brooded intra-clutch P O 2 has on embryonic metabolism. At all three stages...
Journal Articles
J Exp Biol (1987) 130 (1): 368–387.
Published: 1 July 1987
... pressure (P O O2 ) the oxygen consumption was maintained down to a critical oxygen tension, P c , of approximately 43 Torr (1 Torr = 133.3 Pa). Ventilatory frequency increased progressively while heart rate remained constant until the P O O2 was reduced below 16 Torr. During hyperoxic exposure (P O O2...