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(Article of periodic en Anglais - 1983)

Document title

Late-Glacial vegetation and climate at the Manis Mastodon Site, Olympic Peninsula, Washington

Authors(s) and Affiliation(s)

PETERSEN K. L. ; MEHRINGER P. J. ; GUSTAFSON C. E. ;

Abstract

As the late Wisconsin Cordilleran Ice Sheet retreated, sediment accumulated in shallow depressions at the Manis Mastodon Archaeological site on the Olympic Peninsula, near Sequim, Washington. The fossil pollen and seed assemblages indicate persistence for 1 000 yr (11,000-12,000 yr B.P.) of an herb-and-shrub-dominated landscape at a time when forest species appear elsewhere in Washington and in adjacent British Columbia. The regional climate was drier and at least as warm as today. The conditions persisted in the rain shadow of the Olympic Mountains until at least 11,000 yr B.P.

Source

Article of periodic

published at : Quaternary research New York

Editor :

Millesime : 1983, vol. 20, no2 [pp. 215-231]

Bibliographic references : 83 réf.

Language

Anglais

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