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

HO Pörtner, C Bock, FC Mark - Journal of Experimental …, 2017 - journals.biologists.com
Observations of climate impacts on ecosystems highlight the need for an understanding of
organismal thermal ranges and their implications at the ecosystem level. Where changes in …

What do warming waters mean for fish physiology and fisheries?

AG Little, I Loughland, F Seebacher - Journal of Fish Biology, 2020 - Wiley Online Library
Environmental signals act primarily on physiological systems, which then influence higher‐
level functions such as movement patterns and population dynamics. Increases in average …

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 …

Temperature and the cardiovascular system

EJ Eliason, K Anttila - Fish physiology, 2017 - Elsevier
This chapter reviews the influence of environmental temperature on the cardiovascular
system. Specifically, we examine how the cardiovascular system responds to both acute and …

Impairing cardiac oxygen supply in swimming coho salmon compromises their heart function and tolerance to acute warming

A Ekström, B Hendriks, JC Van Wert, MJH Gilbert… - Scientific Reports, 2023 - nature.com
Climatic warming elevates mortality for many salmonid populations during their physically
challenging up-river spawning migrations, yet, the mechanisms underlying the increased …

Concurrent changes in thermal tolerance thresholds and cellular heat stress response reveals novel molecular signatures and markers of high temperature …

A Pandey, M Rajesh, P Baral, D Sarma… - Journal of Thermal …, 2021 - Elsevier
The objective of this study was to better understand the molecular mechanisms which
regulate acclimatory responses and thermal safety margins of rainbow trout (Oncorhynchus …

Coronary blood flow influences tolerance to environmental extremes in fish

D Morgenroth, T McArley, A Gräns… - Journal of …, 2021 - journals.biologists.com
Approximately half of all fishes have, in addition to the luminal venous O2 supply, a coronary
circulation supplying the heart with fully oxygenated blood. Yet, it is not fully understood how …

[HTML][HTML] Prevalence and severity of cardiac abnormalities and arteriosclerosis in farmed rainbow trout (Oncorhynchus mykiss)

J Brijs, P Hjelmstedt, C Berg, IB Johansen, H Sundh… - Aquaculture, 2020 - Elsevier
Cardiovascular disease may pose a major threat to the health and welfare of farmed fish. By
investigating a range of established cardiovascular disease indicators, we aimed to …

Can´ t beat the heat? Importance of cardiac control and coronary perfusion for heat tolerance in rainbow trout

A Ekström, A Gräns, E Sandblom - Journal of Comparative Physiology B, 2019 - Springer
Coronary perfusion and cardiac autonomic regulation may benefit myocardial oxygen
delivery and thermal performance of the teleost heart, and thus influence whole animal heat …

Normoxic limitation of maximal oxygen consumption rate, aerobic scope and cardiac performance in exhaustively exercised rainbow trout (Oncorhynchus mykiss)

TJ McArley, D Morgenroth, LA Zena… - Journal of …, 2021 - journals.biologists.com
In fish, maximum O2 consumption rate (Ṁ O2, max) and aerobic scope can be expanded
following exhaustive exercise in hyperoxia; however, the mechanisms explaining this are yet …