Acute, diel, and annual temperature variability and the thermal biology of ectotherms

  • Ben J. Kefford
  • , Cameron K. Ghalambor
  • , Beatrice Dewenter
  • , N. Le Roy Poff
  • , Jane Hughes
  • , Jollene Reich
  • , Ross Thompson

    Research output: Contribution to journalReview articlepeer-review

    Abstract

    Global warming is increasing mean temperatures and altering temperature variability at multiple temporal scales. To better understand the consequences of changes in thermal variability for ectotherms it is necessary to consider thermal variation at different time scales (i.e., acute, diel, and annual) and the responses of organisms within and across generations. Thermodynamics constrain acute responses to temperature, but within these constraints and over longer time periods, organisms have the scope to adaptively acclimate or evolve. Yet, hypotheses and predictions about responses to future warming tend not to explicitly consider the temporal scale at which temperature varies. Here, focusing on multicellular ectothermic animals, we argue that consideration of multiple processes and constraints associated with various timescales is necessary to better understand how altered thermal variability because of climate change will affect ectotherms.

    Original languageEnglish
    Pages (from-to)6872-6888
    Number of pages17
    JournalGlobal Change Biology
    Volume28
    Issue number23
    DOIs
    Publication statusPublished - Dec 2022

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 13 - Climate Action
      SDG 13 Climate Action
    2. SDG 14 - Life Below Water
      SDG 14 Life Below Water

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