How Climate Change can affect the Dynamics of Stage-Structured Seasonal Breeders

For many hibernating species, the regulation of body functions is thus heavily influenced by climate cues such as temperature and snow cover. Due to the difference between adult and juvenile physiology, global warming can have qualitatively different impacts on adult and juvenile hibernator survival. To investigate the effect of climate change on hibernators' population dynamics, we consider a consumer-resource system with a continuously breeding resource and seasonally breeding hibernating consumers. In a simplistic setting, our model captures seasonality (summer and winter) with the population structured into non-reproductive juveniles and reproductive adults, while remaining analytically tractable. Our result suggests that species with faster life histories are more strongly affected by global warming. In addition, assumptions on the qualitative shape of the stage-dependent effect of global warming on hibernator winter survival can lead to qualitatively different behaviour in long-term system dynamics.

How Climate Change can affect the Dynamics of Stage-Structured Seasonal Breeders

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Yueyang Du

"How Climate Change can affect the Dynamics of Stage-Structured Seasonal Breeders"

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