Journal
JOURNAL OF FISH BIOLOGY
Volume 88, Issue 2, Pages 718-726Publisher
WILEY
DOI: 10.1111/jfb.12807
Keywords
climate change; food web; heart rate; transition temperatures: T-AB, T-QB, T-max, T-AR
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Funding
- Natural Sciences and Engineering Research Council of Canada
- Northern Students Training Programme
- Arctic Research Foundation
- Nunavut Arctic College - Kitikmeot campus
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Wild adult and reared larval Boreogadus saida were acclimated to 35 degrees C before testing their cardiac response to acute warming. Heart rate transition temperatures during warming were similar for adult and larval hearts, except that the maximum temperature for heart rate was 3 degrees C warmer for adults. Thus, in a rapidly warming Arctic Ocean, the upper temperature limit for larval rather than adult B. saida appears more likely to dictate the southern range of the species.
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