Threshold temperatures mediate the impact of reduced snow cover on overwintering freeze-tolerant caterpillars

@article{Marshall2011ThresholdTM,
  title={Threshold temperatures mediate the impact of reduced snow cover on overwintering freeze-tolerant caterpillars},
  author={Katie E Marshall and Brent J Sinclair},
  journal={Naturwissenschaften},
  year={2011},
  volume={99},
  pages={33-41}
}
Decreases in snow cover due to climate change could alter the energetics and physiology of ectothermic animals that overwinter beneath snow, yet how snow cover interacts with physiological thresholds is unknown. We applied numerical simulation of overwintering metabolic rates coupled with field validation to determine the importance of snow cover and freezing to the overwintering lipid consumption of the freeze-tolerant Arctiid caterpillar Pyrrharctia isabella. Caterpillars that overwintered… CONTINUE READING
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