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Geographic variation and thermal plasticity shape salamander metabolic rates under current and future climates

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Muñoz, D., Miller, D., Schilder, R., & Campbell Grant, E. H. (2022). Geographic variation and thermal plasticity shape salamander metabolic rates under current and future climates. Ecology and Evolution, 12,e8433. https://doi.org/10.1002/ece3.8433

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Abstract (from Ecology and Evolution): Predicted changes in global temperature are expected to increase extinction risk for ectotherms, primarily through increased metabolic rates. Higher metabolic rates generate increased maintenance energy costs which are a major component of energy budgets. Organisms often employ plastic or evolutionary (e.g., local adaptation) mechanisms to optimize metabolic rate with respect to their environment. We examined relationships between temperature and standard metabolic rate across four populations of a widespread amphibian species to determine if populations vary in metabolic response and if their metabolic rates are plastic to seasonal thermal cues. Populations from warmer climates lowered metabolic [...]

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  • National and Regional Climate Adaptation Science Centers
  • Northeast CASC

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citationTypeJournal Article
journalEcology and Evolution
parts
typeVolume
value12
typeIssue
value1
typeDOI
value10.1002/ece3.8433

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