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New Polar Bear Finding

Newly-released USGS information from 9 recent studies presents relationships of polar bears to present and future sea ice environments.

NOTE: To view the documents on this page you must have the current version of the free Adobe Reader (version 8 released December 2006). For Mac users, PDFPreview can not view these files; Adobe Reader is required.

• Uncertainty in Climate Model Projections of Arctic Sea Ice Decline (- 1.6 MB)

• New Knowledge of Polar Bear Status
  • Southern Beaufort Sea

    • Polar Bears in the Southern Beaufort Sea: Survival and Breeding in Relation to Sea Ice Conditions
      (- 770 k)

    • Polar Bears in the Southern Beaufort Sea: Stature, Mass and Cub Recruitment in Relationship to Time and Sea Ice Extent
      (- 627 k)

  • Northern Beaufort Sea

    • Polar Bear Population Status in the Northern Beaufort Sea
      (- 1.3 MB)

  • Southern Hudson Bay

    • Polar Bear Population Status in Southern Hudson Bay, Canada
      (- 1.4 MB)
      

• Projections of Habitat and Populations, and Forecasts of Range-wide Status

  • Polar Bears in the Southern Beaufort Sea: Demography and Population Growth in Relation to Sea Ice Conditions
    (- 954 k)

  • Predicting the Future Distribution of Polar Bear Habitat in the Polar Basin
    ( Hi-res - 6.6 MB) | ( Low-res - 2 MB)

  • Predicting Movements of Female Polar Bears between Summer Sea Ice Foraging Habitats and Terrestrial Denning Habitats of Alaska
    ( Hi-res - 8.4 MB) | ( Low-res - 1.2 MB)

  • Forecasting the Range-wide Status of Polar Bears in the 21st Century
    ( Hi-res - 8.6 MB) | ( Low-res - 2.4MB)

Additional Information:

• Media Advisory
• Executive Summary (- 41.7 k)
• Press Release
• USGS Peer Review
• Polar Bear Research at the Alaska Science Center
• Fish and Wildlife Service Polar Bear information