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Keywords: aerobic scope
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Journal Articles
J Exp Biol jeb.243504.
Published: 25 November 2021
... the breadth and amplitude of the thermal performance curve for aerobic scope. If daily thermal experience can modify the characteristics of the thermal performance curve, interpretations of aerobic scope data from the literature may be misguided. Here, tropical barramundi ( Lates calcarifer ) were acclimated...
Journal Articles
J Exp Biol jeb.242884.
Published: 11 November 2021
...- and condition-specific responses, which were equally successful in terms of fitness levels. Our results indicate the importance of the rule testing conditions. The important conclusions were that (i) a body size decrease at higher temperatures enabled the maintenance of a wide aerobic scope under clone-specific...
Journal Articles
J Exp Biol (2021) 224 (15): jeb242577.
Published: 04 August 2021
... naïve. Measurements of BMR and exercise-induced MMR did not differ between the two morphs, and consequently, aerobic scope was indistinguishable between them. We propose that the behavioural differences between these two sympatric morphs are functionally complementary and represent evolutionary stable...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (15): jeb242614.
Published: 29 July 2021
...Tristan J. McArley; Daniel Morgenroth; Lucas A. Zena; Andreas T. Ekström; Erik Sandblom ABSTRACT In fish, maximum O 2 consumption rate ( Ṁ O 2 ,max ) and aerobic scope can be expanded following exhaustive exercise in hyperoxia; however, the mechanisms explaining this are yet to be identified. Here...
Journal Articles
J Exp Biol (2021) 224 (13): jeb232520.
Published: 29 June 2021
...Andrew J. Esbaugh; Kerri L. Ackerly; Angelina M. Dichiera; Benjamin Negrete, Jr ABSTRACT The metabolic index concept combines metabolic data and known thermal sensitivities to estimate the factorial aerobic scope of animals in different habitats, which is valuable for understanding the metabolic...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (8): jeb242210.
Published: 30 April 2021
... evaluated here, α values are correlated with MR, but not P crit . Rather than an index of hypoxia tolerance, P crit is a reflection of α, which evolves to support maximum energy demands and aerobic scope at the prevailing temperature and oxygen level. * Present address: Eugene Bell Center, Marine...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (Suppl_1): jeb236802.
Published: 24 February 2021
... links organismal physiology with ecological and ecosystem processes. Aerobic scope Basal maintenance Energy metabolism Energy trade-off Stress tolerance Summary: Quantification of organismal energy fluxes under different stress scenarios follows predictions of the ecological outcomes...
Journal Articles
J Exp Biol (2021) 224 (1): jeb237669.
Published: 12 January 2021
... temperature tolerance (critical thermal maximum, CT max ), as well as temperature preference ( T pref ) and avoidance ( T avoid ) of the round goby ( Neogobius melanostomus ), one of the most impactful invasive species in the world. We show that round goby maintained a high aerobic scope from 15 to 28°C...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (14): jeb228098.
Published: 28 July 2020
...Jessica E. Reemeyer; Bernard B. Rees ABSTRACT Standard metabolic rate (SMR), maximum metabolic rate (MMR), absolute aerobic scope (AAS) and critical oxygen tension ( P crit ) were determined for the Gulf killifish, Fundulus grandis , an ecologically dominant estuarine fish, acclimated to lowered...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (14): jeb221937.
Published: 21 July 2020
...-deficient species. Here, we quantified the thermal dependence of physiological performance in neonates of a tropical shark species (blacktip reef shark, Carcharhinus melanopterus ) from shallow, nearshore habitats. We measured minimum and maximum oxygen uptake rates ( Ṁ O 2 ), calculated aerobic scope...
Journal Articles
J Exp Biol (2020) 223 (12): jeb210492.
Published: 16 June 2020
... as an indicator of hypoxia tolerance, is, instead, simply a rate-specific reflection of the oxygen supply capacity. A compensatory reduction in maintenance metabolic costs in warm-adapted species constrains factorial aerobic scope and the critical P O 2 to a similar range, between ∼2 and 6, across each species...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (12): jeb198143.
Published: 17 June 2019
... that standard metabolic rates (SMR) were similar among treatments; however, fish that were repeatedly exposed to 17°C had higher maximum metabolic rates (MMR) and aerobic scopes (AS) than control fish and those repeatedly exposed to 22°C. There were no differences in MMR or AS between fish exposed to 22°C...
Journal Articles
J Exp Biol (2019) 222 (3): jeb186189.
Published: 07 February 2019
...] and critical temperature maxima. Using these parameters, we estimated thermal performance curves of absolute aerobic scope (AAS). The populations had different thermal performance curves of AAS, and in both populations high values of AAS were maintained throughout the range of ecologically relevant...
Journal Articles
J Exp Biol (2018) 221 (21): jeb184473.
Published: 31 October 2018
... temperature indicating thermal limitations. Maximum metabolic rate (MMR) increased continuously with temperature, suggesting an optimum temperature for aerobic scope for exercise (AS ex ) at 6°C. Aerobic swimming performance ( U gait ) increased with acclimation temperature irrespective of CO 2 levels, while...
Journal Articles
J Exp Biol (2018) 221 (12): jeb173187.
Published: 14 June 2018
...Shi-Jian Fu; Jing Peng; Shaun S. Killen ABSTRACT Metabolic rates vary widely within species, but little is known about how variation in the ‘floor’ [i.e. standard metabolic rate (SMR) in ectotherms] and ‘ceiling’ [maximum metabolic rate (MMR)] for an individual's aerobic scope (AS) are linked...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (20): 3782–3793.
Published: 15 October 2017
... in aerobic scope (AS), which lead to decreases in energy available for essential fitness and performance functions. Consequences of warming are anticipated to be especially severe for warm-adapted tropical species as they are thought to have narrow thermal windows and limited plasticity for coping...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (19): 3419–3431.
Published: 01 October 2017
... metabolically costly behaviors while inhibiting food capture. Aerobic scope Capture efficiency Ciliary swimming Clearance rate Kolmogorov scale Swimming efficiency Most benthic populations depend on a supply of planktonic larvae, but nearly all larvae die during the dispersal phase (typically...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (14): 2598–2605.
Published: 15 July 2017
... (>28°C, ≤30°C) derived from full life cycle rearing experiments across temperatures. We tested two related predictions derived from the hypothesis that oxygen limitation sets the chronic upper thermal limits: (1) aerobic scope declines in mayfly larvae as they approach and exceed temperatures...
Journal Articles
J Exp Biol (2017) 220 (6): 1106–1111.
Published: 15 March 2017
...’. The characterization of thermal niche remains a complicated task. We compared the applicability of two indirect approaches, based on reaction norm (aerobic scope curve) and optimality (preferred body temperature) concepts, for indirect estimation of thermal niche while using newts, Ichthyosaura alpestris , as a study...
Journal Articles
J Exp Biol (2016) 219 (21): 3376–3383.
Published: 01 November 2016
...Rasmus Ern; Tommy Norin; A. Kurt Gamperl; Andrew J. Esbaugh ABSTRACT Temperature-induced limitations on the capacity of the cardiorespiratory system to transport oxygen from the environment to the tissues, manifested as a reduced aerobic scope (maximum minus standard metabolic rate), have been...