Polar bear metabolism cannot cope with ice loss

@article{Cesare2015PolarBM,
  title={Polar bear metabolism cannot cope with ice loss},
  author={Chris Cesare},
  journal={Nature},
  year={2015}
}
  • Chris Cesare
  • Published 16 July 2015
  • Environmental Science
  • Nature
The Arctic mammals may not survive the ongoing loss of their hunting grounds. 

References

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Summer declines in activity and body temperature offer polar bears limited energy savings
TLDR
Although well adapted to seasonal ice melt, polar bears appear susceptible to deleterious declines in body condition during the lengthening period of summer food deprivation, and will face increasing starvation threats if summer foraging habitats continue to decline.
Arctic sea ice in transformation: A review of recent observed changes and impacts on biology and human activity
Sea ice in the Arctic is one of the most rapidly changing components of the global climate system. Over the past few decades, summer areal extent has declined over 30%, and all months show