Jump to ContentJump to Main Navigation
Human Impacts on Seals, Sea Lions, and Sea OttersIntegrating Archaeology and Ecology in the Northeast Pacific$
Users without a subscription are not able to see the full content.

Todd Braje

Print publication date: 2011

Print ISBN-13: 9780520267268

Published to California Scholarship Online: March 2012

DOI: 10.1525/california/9780520267268.001.0001

Show Summary Details
Page of

PRINTED FROM CALIFORNIA SCHOLARSHIP ONLINE (www.california.universitypressscholarship.com). (c) Copyright University of California Press, 2020. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in CALSO for personal use.date: 06 June 2020

Neoglacial Sea Ice and Life History Flexibility in Ringed and Fur Seals

Neoglacial Sea Ice and Life History Flexibility in Ringed and Fur Seals

(p.65) 4 Neoglacial Sea Ice and Life History Flexibility in Ringed and Fur Seals
Human Impacts on Seals, Sea Lions, and Sea Otters

Susan J. Crockford

Gay S. Frederick

University of California Press

Ringed seals and fur seals inhabit the Bering Sea portion of the North Pacific Coast. This chapter provides evidence that Neoglacial sea ice expansion pushed Bering Sea populations of pack ice-breeding ringed and bearded seals south as far as the eastern Aleutians and kept them there until early summer, making these Arctic-adapted species easily accessible to ancient Aleut hunters. Extensive pack ice development would also have made the Pribilof Islands unsuitable as early summer pupping grounds for fur seals, forcing them to establish rookeries away from ice-covered waters and icy winds. These conclusions are based on a comprehensive analysis of skeletal remains recovered from an archaeological site off the Unalaska Island in the eastern Aleutians that was occupied at the height of the Neoglacial period, ca. 3500 to 2500 BP. Pack ice extent in the southern Bering Sea changed markedly during the Neoglacial, which sheds significant new light on the origins of Thule culture and on important aspects of ringed seal and fur seal life history.

Keywords:   Neoglacial, sea ice, ringed seals, fur seals, Bering Sea, Pacific Coast, life history, Aleutians, Pribilof Islands, Thule culture

California Scholarship Online requires a subscription or purchase to access the full text of books within the service. Public users can however freely search the site and view the abstracts and keywords for each book and chapter.

Please, subscribe or login to access full text content.

If you think you should have access to this title, please contact your librarian.

To troubleshoot, please check our FAQs, and if you can't find the answer there, please contact us.