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Physiological constraints to climate warming in fish follow principles of plastic floors and concrete ceilings

Sandblom, Erik, Clark, Timothy D., Gräns, Albin, Ekström, Andreas, Brijs, Jeroen, Sundström, L. Fredrik, Odelström, Anne, Adill, Anders, Aho, Teija and Jutfelt, Fredrik 2016, Physiological constraints to climate warming in fish follow principles of plastic floors and concrete ceilings, Nature communications, vol. 7, pp. 1-8, doi: 10.1038/ncomms11447.

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Title Physiological constraints to climate warming in fish follow principles of plastic floors and concrete ceilings
Author(s) Sandblom, Erik
Clark, Timothy D.
Gräns, Albin
Ekström, Andreas
Brijs, Jeroen
Sundström, L. Fredrik
Odelström, Anne
Adill, Anders
Aho, Teija
Jutfelt, Fredrik
Journal name Nature communications
Volume number 7
Article ID 11447
Start page 1
End page 8
Total pages 8
Publisher Nature Publishing Group
Place of publication London, Eng.
Publication date 2016-05-17
ISSN 2041-1723
Keyword(s) Science & Technology
Multidisciplinary Sciences
Science & Technology - Other Topics
Summary Understanding the resilience of aquatic ectothermic animals to climate warming has been hindered by the absence of experimental systems experiencing warming across relevant timescales (for example, decades). Here, we examine European perch (Perca fluviatilis, L.) from the Biotest enclosure, a unique coastal ecosystem that maintains natural thermal fluctuations but has been warmed by 5-10 °C by a nuclear power plant for over three decades. We show that Biotest perch grow faster and display thermally compensated resting cardiorespiratory functions compared with reference perch living at natural temperatures in adjacent waters. However, maximum cardiorespiratory capacities and heat tolerance limits exhibit limited or no thermal compensation when compared with acutely heated reference perch. We propose that while basal energy requirements and resting cardiorespiratory functions (floors) are thermally plastic, maximum capacities and upper critical heat limits (ceilings) are much less flexible and thus will limit the adaptive capacity of fishes in a warming climate.
Language eng
DOI 10.1038/ncomms11447
Field of Research 070403 Fisheries Management
050101 Ecological Impacts of Climate Change
MD Multidisciplinary
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30105062

Document type: Journal Article
Collections: School of Life and Environmental Sciences
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.