Modeling behavioral thermoregulation in a climate change sentinel

Ecology and Evolution
Lucas Moyer-HornerWarren P Porter

Abstract

When possible, many species will shift in elevation or latitude in response to rising temperatures. However, before such shifts occur, individuals will first tolerate environmental change and then modify their behavior to maintain heat balance. Behavioral thermoregulation allows animals a range of climatic tolerances and makes predicting geographic responses under future warming scenarios challenging. Because behavioral modification may reduce an individual's fecundity by, for example, limiting foraging time and thus caloric intake, we must consider the range of behavioral options available for thermoregulation to accurately predict climate change impacts on individual species. To date, few studies have identified mechanistic links between an organism's daily activities and the need to thermoregulate. We used a biophysical model, Niche Mapper, to mechanistically model microclimate conditions and thermoregulatory behavior for a temperature-sensitive mammal, the American pika (Ochotona princeps). Niche Mapper accurately simulated microclimate conditions, as well as empirical metabolic chamber data for a range of fur properties, animal sizes, and environmental parameters. Niche Mapper predicted pikas would be behaviorally constrai...Continue Reading

References

Jan 1, 1973·Canadian Journal of Zoology·R A MacArthur, L C Wang
Mar 1, 1974·Canadian Journal of Zoology·R A MacArthur, L C Wang
Feb 17, 2000·Trends in Ecology & Evolution·R E Ricklefs
Mar 31, 2010·Ecological Applications : a Publication of the Ecological Society of America·Erik A BeeverJennifer L Wilkening
May 7, 2010·The Journal of Animal Ecology·John R Speakman, Elzbieta Król
May 15, 2010·Science·Barry SinervoJack W Sites
Jan 5, 2011·Frontiers in Bioscience (Landmark Edition)·Jeremy TerrienFabienne Aujard
May 9, 2012·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Raymond B HueyStephen E Williams
May 18, 2013·Global Change Biology·Kristen A PotterSylvain Pincebourde
Jul 20, 2013·Ecological Applications : a Publication of the Ecological Society of America·Mackenzie R JeffressClinton W Epps
Sep 11, 2013·PloS One·Paul D Mathewson, Warren P Porter

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Citations

Nov 19, 2018·The Journal of Animal Ecology·L Embere Hall, Anna D Chalfoun
Mar 20, 2020·Evolution; International Journal of Organic Evolution·Vincent R FaralloDonald B Miles
Jun 27, 2017·Ecology and Evolution·Matthew D WaterhouseMichael A Russello
Oct 13, 2020·American Journal of Primatology·Richard McFarlandS Peter Henzi
Oct 10, 2021·Scientific Reports·Julián Cabello-VergelJorge S Gutiérrez

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Software Mentioned

Niche Mapper
NicheMapper
Niche
R
GNP
AICcmodavg

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