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Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions
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Diet effects on ectotherm thermal performance.

Emily A Hardison1, Erika J Eliason1

  • 1Department of Ecology, Evolution and Marine Biology, University of California Santa Barbara, Santa Barbara, California, 93106, USA.

Biological Reviews of the Cambridge Philosophical Society
|April 15, 2024
PubMed
Summary
This summary is machine-generated.

Organismal thermal tolerance is linked to nutrition. This review explores how macronutrients, lipids, and micronutrients influence ectotherm responses to warming environments, impacting their survival and behavior.

Keywords:
ectothermlipidmacronutrientmicrobiomenutritionplasticitythermal biologythermal limitthermal tolerance

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Area of Science:

  • Ecology
  • Animal Physiology
  • Nutritional Science

Background:

  • Environmental temperatures are rising, impacting ectotherms whose physiology and ecology depend on external heat.
  • Organismal persistence in changing climates hinges on nutritional status, which influences their ability to adapt.
  • Nutritional resources fluctuate with environmental change, yet animals can modify their intake to enhance performance.

Purpose of the Study:

  • To review current knowledge on the interplay between animal nutrition and temperature.
  • To mechanistically describe nutrients affecting thermal performance in ectotherms.
  • To explore the role of nutrition in ectotherm thermal plasticity, thermoregulation, diet selection, and tolerance.

Main Methods:

  • Literature review synthesizing research at the intersection of animal nutrition and temperature.
  • Mechanistic approach to identify key nutrients (macronutrients, lipids, micronutrients) influencing thermal performance.
  • Analysis of existing data on nutrient roles in ectotherm thermal plasticity, behavior, and tolerance.

Main Results:

  • Specific nutrients significantly impact ectotherm thermal performance and plasticity.
  • Dietary choices and nutritional status are crucial for ectotherms to cope with thermal stress.
  • Understanding nutrient-temperature interactions is vital for predicting ectotherm responses to climate change.

Conclusions:

  • Nutritional strategies can enhance ectotherm resilience to rising temperatures.
  • This knowledge can inform conservation efforts and aquaculture practices for ectotherms.
  • Further research into nutrient-specific effects is needed to fully understand ectotherm adaptation.