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People

Publications

  1. Sheriff, M.J., C.J. Krebs, R. Boonstra 2010. Assessing stress in animal populations: Do fecal and plasma glucocorticoids tell the same story?. General and Comparative Endocrinology In Press
  2. Sheriff, M.J., C.J. Krebs, R. Boonstra 2010. The ghosts of predators past: Population cycles and the role of maternal programming under fluctuating predation risk. Ecology In Press
  3. Sheriff, M.J., Krebs, C.J., and Boonstra, R. 2009. The sensitive hare: Sublethal effects of predator stress on reproduction in snowshoe hares. Journal of Animal Ecology 78: 1249-1258
  4. Sheriff, M.J., Krebs, C.J., and Boonstra, R. 2009. A non-invasive technique for analyzing fecal cortisol metabolites in snowshoe hares (Lepus americanus). Journal of Comparative Physiology B 179: 305-313
  5. Sheriff, M.J., Kuchel, L., Boutin, S., and Humphries, M.M. 2009. Seasonal metabolic acclimatization in a northern population of free-ranging snowshoe hares, Lepus americanus. Journal of Mammalogy 90: 761-767

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Michael Sheriff

PhD

Email:
Research area: Comparative Physiology, Ecology
Supervisors: C. Krebs, A. Sinclair

FOR COMPLETE UPDATES PLEASE SEE MY NEW WEBSITE AT: https://sites.google.com/a/alaska.edu/michael-j-sheriff/



My research interests lie in how physiological processes shape the ecology of free ranging animals and vice versa. Particularly how the sub-lethal effects of predation and food availability affect stress physiology which in turn impacts behaviour and population dynamics. For my PhD I studied the cause of the low phase of the snowshoe hare population cycle. Through my findings, I propose that the low phase of the cycle is caused by the indirect effects of predation risk. These indirect effects act by altering the physiological and neurological make-up of snowshoe hares (the hypothalamus and the hypothalamic-pituitary-adrenal (HPA) axis). The inheritance of this maternal stress, through maternal programming of the HPA axis, may cause the offspring’s reproduction to lag behind their environment, resulting in the inability of the hare population to recover immediately following the population decline.

Awards

2010

Elton Prize, Young Investigator of the Year 2009

For Research

Awarded by the British Ecological Society each year for the best paper in the Journal of Animal Ecology written by a young author at the start of their research career.

2008

NSERC, NRInt

For Research

2007

NSERC, NRInt

For Research

2006

Northern Scholarship Training Program

For Research

Last updated 15 November 2011