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Keywords: oxygen consumption
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Journal Articles
J Exp Biol (2021) 224 (15): jeb242614.
Published: 29 July 2021
... ) . Aquaculture 233 , 383 - 392 . 10.1016/j.aquaculture.2003.09.047 Duthie , G. G. and Hughes , G. M. ( 1987 ). The effects of reduced gill area and hyperoxia on the oxygen consumption and swimming speed of rainbow trout . J. Exp. Biol. 127 , 349 - 354 . 10.1242/jeb.127.1.349...
Journal Articles
J Exp Biol (2021) 224 (15): jeb242220.
Published: 29 July 2021
... emersion. Tidal crabs exhibited an endogenous rhythm of oxygen consumption during continuous submersion with lower oxygen consumption during periods of anticipated emersion, which was not detected in non-tidal crabs. During emersion, tidal crabs were able to buffer apparent changes in acid–base balance...
Journal Articles
J Exp Biol (2021) 224 (9): jeb234344.
Published: 10 May 2021
.... Therefore, we hypothesized that the medullary raphe modulates heat gain and loss thermoeffectors in birds. We investigated the effect of glutamatergic and GABAergic inhibition in this specific region on body temperature ( T b ), oxygen consumption (thermogenesis), ventilation (O 2 supply in cold, thermal...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (18): jeb231985.
Published: 25 September 2020
... assessed dehydration stress tolerance in diapausing and developing Austrofundulus limnaeus embryos. We measured oxygen consumption rates under aquatic and aerial conditions to test the hypothesis that there is a trade-off between water retention and oxygen permeability. Diapausing embryos survive...
Journal Articles
J Exp Biol (2020) 223 (16): jeb222703.
Published: 24 August 2020
... of the energetic costs of bidirectional water flow suggests that those costs may explain differential distribution of shell species occupied by hermit crabs between wave-exposed and -protected sites. Energetics Gastropod shell Hydrodynamics Oxygen consumption Waves Intertidal The rocky shores...
Journal Articles
J Exp Biol (2020) 223 (5): jeb211250.
Published: 11 March 2020
... of Biologists Ltd 2020 http://www.biologists.com/user-licence-1-1/ Summary: An increased blood-oxygen carrying capacity provides high-altitude ducks in the Andes with a greater reserve for O 2 delivery in hypoxia. Heart rate variability Oxygen transport Oxygen consumption Heart rate...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (4): jeb216762.
Published: 19 February 2020
... the natural structure of gills and does not require mechanical separation. LEAK Oxidative phosphorylation Mitochondrion-rich cells Oxygraph Oxygen consumption Electron transport chain It has been known for a long time that fish gills are highly metabolically active – indeed, Keys...
Includes: Supplementary data
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 (2019) 222 (13): jeb204800.
Published: 5 July 2019
... gar, Atractosteus tropicus . Am. J. Physiol. Regul. Integr. Comp. Physiol.   311 , R689 - R701 . 10.1152/ajpregu.00022.2016 Cerezo , J. and García García , B. ( 2004 ). The effects of oxygen levels on oxygen consumption, survival and ventilatory frequency of sharpsnout sea bream...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (10): jeb202390.
Published: 21 May 2019
.... The lachrymal salt gland facilitates excretion of excess sodium (Na + ) and chloride (Cl − ) ions through active transport mechanisms. We investigated body fluid dynamics, oxygen consumption ( V̇ O 2 ) and osmotic status of terrapins exposed to an acute increase in salinity (12 to 35 psu) at 10 and 25°C to gain...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (9): jeb201400.
Published: 30 April 2019
... differentially, and fish with a high cost may alter dispersal patterns. Oxygen consumption Temperature Exercise Locomotion Acclimation Allocation trade-off Locomotor performance is closely related to ecological success and fitness by influencing foraging, predator escape, dispersal...
Journal Articles
J Exp Biol (2019) 222 (7): jeb196659.
Published: 4 April 2019
... Metabolic rate Oxygen consumption Insects evolved in a terrestrial environment, as indicated by their gas-filled respiratory system ( Pritchard et al., 1993 ). The tracheal system is a network of branching tubes that run from small openings (spiracles) on the outside of the insect's body through...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (22): jeb189993.
Published: 12 November 2018
... high-temperature events. Therefore, we measured the metabolic response (mass-specific rate of oxygen consumption, Ṁ O 2 ) to thermal ramping (21–29°C) and the upper thermal tolerance limit ( U TL ) of two intertidal triplefin fishes ( Bellapiscis medius and Forsterygion lapillum ) under hyperoxia...
Journal Articles
J Exp Biol (2018) 221 (20): jeb185900.
Published: 18 October 2018
... hibernate with T b of 28°C. During the active season, oxygen consumption may vary 25-fold with little or no change in T b . During the austral winter, tenrecs are consistently torpid but the depth of torpor may vary. A righting assay revealed that T b contributes to but does not dictate activity status...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (14): jeb180703.
Published: 16 July 2018
... flow, oxygen consumption and heart rate in rainbow trout (Oncorhynchus mykiss) . Comp. Biochem. Physiol. A Mol. Integr. Physiol.   149 , 380 - 388 . 10.1016/j.cbpa.2008.01.033 Farrell , A. P. , Thorarensen , H. , Axelsson , M. , Crocker , C. E. , Gamperl , A. K. and Cech...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (7): jeb172874.
Published: 6 April 2018
... respirometry literature. The resulting technology allows the calculation of metabolic rates from very small organisms, including our model system, plant seeds. Respirometer Constant volume Q 2 technology Oxygen consumption Metabolism Seed biology One of the basic processes of life...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (5): jeb166975.
Published: 13 March 2018
... and critical thermal maxima to those of their diploid conspecifics. Critical thermal maxima Elevated temperature Oxygen consumption Salmonids Ploidy Triploid fish have been proposed as useful experimental models to understand the mechanisms underlying environmental tolerance because...
Journal Articles
J Exp Biol (2018) 221 (1): jeb170894.
Published: 4 January 2018
... the physiological responses above and below T crit for a small tree-dwelling bat ( Chalinolobus gouldii , ∼14 g) that is often exposed to sub-zero temperatures during winter. Through simultaneous measurement of heart rate ( f H ) and oxygen consumption ( V̇ O 2 ), we show that the relationship between oxygen...
Journal Articles
J Exp Biol (2018) 221 (1): jeb165225.
Published: 4 January 2018
... energy, thus decreasing the likelihood of survival. In this study hatchlings were run on a treadmill for 200 or 500 m to investigate the physiological impacts of disorientation crawling in loggerhead ( Caretta caretta ) and green ( Chelonia mydas ) sea turtle hatchlings. Oxygen consumption, lactate...
Journal Articles
J Exp Biol (2017) 220 (20): 3641–3648.
Published: 15 October 2017
... selected claw and are ideal for assessing the impact of a sexually selected trait on the cost of locomotion. Here, we measured the energy expenditure of clawed, declawed and artificially loaded crabs during sustained exercise by measuring oxygen consumption and blood lactate levels. We also measured blood...