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Responses of terrestrial polar arthropods to high and increasing temperatures

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avis › Tidsskriftartikel › Forskning › peer review

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  • jeb230797

    Forlagets udgivne version, 789 KB, PDF-dokument

DOI

  • Simon Bahrndorff, Department of Chemistry and Bioscience, Aalborg Universitet
    • ,
  • Jannik M.S. Lauritzen, Aalborg Universitet
    • ,
  • Mathias H. S rensen, Aalborg Universitet
    • ,
  • Natasja K. Noer, Aalborg Universitet
    • ,
  • Torsten N. Kristensen, Aalborg Universitet

Terrestrial arthropods in the Arctic and Antarctic are exposed to extreme and variable temperatures, and climate change is predicted to be especially pronounced in these regions. Available ecophysiological studies on terrestrial ectotherms from the Arctic and Antarctic typically focus on the ability of species to tolerate the extreme low temperatures that can occur in these regions, whereas studies investigating species plasticity and the importance of evolutionary adaptation to periodically high and increasing temperatures are limited. Here, we provide an overview of current knowledge on thermal adaptation to high temperatures of terrestrial arthropods in Arctic and Antarctic regions. Firstly, we summarize the literature on heat tolerance for terrestrial arthropods in these regions, and discuss variation in heat tolerance across species, habitats and polar regions. Secondly, we discuss the potential for species to cope with increasing and more variable temperatures through thermal plasticity and evolutionary adaptation. Thirdly, we summarize our current knowledge of the underlying physiological adjustments to heat stress in arthropods from polar regions. It is clear that very little data are available on the heat tolerance of arthropods in polar regions, but that large variation in arthropod thermal tolerance exists across polar regions, habitats and species. Further, the species investigated show unique physiological adjustments to heat stress, such as their ability to respond quickly to increasing or extreme temperatures. To understand the consequences of climate change on terrestrial arthropods in polar regions, we suggest that more studies on the ability of species to cope with stressful high and variable temperatures are needed.

OriginalsprogEngelsk
Artikelnummereb230797
TidsskriftJournal of Experimental Biology
Vol/bind224
Nummer7
ISSN0022-0949
DOI
StatusUdgivet - apr. 2021

Bibliografisk note

Funding Information:
We thank the Danish Council for Independent Research (Natur og Univers, Det Frie Forskningsråd grant no. DFF-8021-00014B), the Carlsberg Foundation (Carlsbergfondet, CF17-0415), North to North and the Aalborg Zoo Conservation Foundation (Aalborg Zoos Naturbevaringsfond, AZCF) for supporting this work.

Publisher Copyright:
© 2021 Company of Biologists Ltd. All rights reserved.

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