Physiological mechanisms of acute upper thermal tolerance in fish

R Ern, AH Andreassen, F Jutfelt - Physiology, 2023 - journals.physiology.org
This review is focused on the questions of why fish exhibit heat failure at thermal extremes
and which physiological mechanisms determine the acute upper thermal tolerance. We …

The role of mechanistic physiology in investigating impacts of global warming on fishes

S Lefevre, T Wang… - Journal of Experimental …, 2021 - journals.biologists.com
Warming of aquatic environments as a result of climate change is already having
measurable impacts on fishes, manifested as changes in phenology, range shifts and …

Measurement and relevance of maximum metabolic rate in fishes

T Norin, TD Clark - Journal of Fish Biology, 2016 - Wiley Online Library
Maximum (aerobic) metabolic rate (MMR) is defined here as the maximum rate of oxygen
consumption (O2max) that a fish can achieve at a given temperature under any ecologically …

Oxygen-and capacity-limited thermal tolerance: blurring ecology and physiology

F Jutfelt, T Norin, R Ern, J Overgaard… - Journal of …, 2018 - journals.biologists.com
The Commentary by Pörtner, Bock and Mark (Pörtner et al., 2017) elaborates on the oxygen-
and capacity-limited thermal tolerance (OCLTT) hypothesis. Journal of Experimental Biology …

Are global warming and ocean acidification conspiring against marine ectotherms? A meta-analysis of the respiratory effects of elevated temperature, high CO2 and …

S Lefevre - Conservation Physiology, 2016 - academic.oup.com
With the occurrence of global change, research aimed at estimating the performance of
marine ectotherms in a warmer and acidified future has intensified. The concept of oxygen …

Oxygen dependence of upper thermal limits in fishes

R Ern, T Norin, AK Gamperl… - Journal of Experimental …, 2016 - journals.biologists.com
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 …

[HTML][HTML] Oxygen availability and body mass modulate ectotherm responses to ocean warming

MI Duncan, F Micheli, TH Boag, JA Marquez… - Nature …, 2023 - nature.com
In an ocean that is rapidly warming and losing oxygen, accurate forecasting of species'
responses must consider how this environmental change affects fundamental aspects of …

Oxygen supply capacity in animals evolves to meet maximum demand at the current oxygen partial pressure regardless of size or temperature

BA Seibel, C Deutsch - Journal of Experimental Biology, 2020 - journals.biologists.com
The capacity to extract oxygen from the environment and transport it to respiring tissues in
support of metabolic demand reportedly has implications for species' thermal tolerance …

'Aerobic scope protection'reduces ectotherm growth under warming

F Jutfelt, T Norin, ER Åsheim, LE Rowsey… - Functional …, 2021 - Wiley Online Library
Temperature has a dramatic effect on the physiology of ectothermic animals, impacting most
of their biology. When temperatures increase above optimal for an animal, their growth …

Fish and hyperoxia—From cardiorespiratory and biochemical adjustments to aquaculture and ecophysiology implications

TJ McArley, E Sandblom, NA Herbert - Fish and Fisheries, 2021 - Wiley Online Library
Hyperoxia occurs when water oxygen (O2) levels exceed normal atmospheric pressure (ie,>
100% air saturation). Fish can experience hyperoxia in shallow environments due to …