Casey Clark

  • PhD Student
  • Water and Environmental Research Center (WERC)
  • University of Alaska Fairbanks
  • PO Box 755910
  • Fairbanks, AK 99775-5910

My research focuses on foraging ecology and migratory movements of marine mammals. For my doctoral work, I am investigating the effects of climatic changes on Pacific walruses over the past 2,500 years. To accomplish this, I am examining changes in stable isotope ratios and trace element concentrations of walrus bones and teeth across prehistoric (archaeological collections), historic (museum collections), and modern (subsistence harvested) timeframes. The results of this work will be interpreted alongside genetic and hormone data, as well as sources of traditional ecological knowledge, to make predictions about how current and future warming in the Arctic will affect Pacific walruses.