Predation as a probable mechanism relating winter weather to population dynamics in a North American porcupine population

@article{Mabille2010PredationAA,
  title={Predation as a probable mechanism relating winter weather to population dynamics in a North American porcupine population},
  author={G{\'e}raldine Mabille and S. Descamps and D. Berteaux},
  journal={Population Ecology},
  year={2010},
  volume={52},
  pages={537-546}
}
An abundance index of an eastern Quebec population of North American porcupines (Erethizon dorsatum) has cycled with superimposed periodicities of 11 and 22 years from 1868 to 2000. This cycle closely followed 11- and 22-year cycles in solar irradiance and local weather (e.g., winter precipitation and spring temperature), generating the hypothesis that solar activity may affect porcupine abundance through effects on local weather. We investigated the mechanisms linking porcupine abundance to… Expand
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