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The 132-Year Population Trajectory and Associated Synthesis Design

Frederic H. Wagner

in Yellowstone's Destabilized Ecosystem: Elk Effects, Science, and Policy Conflict

Published in print:
2006
Published Online:
September 2007
ISBN:
9780195148213
eISBN:
9780199790449
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195148213.003.0005
Subject:
Biology, Ecology

The reconstruction of the northern-herd population trajectory places the herd at a hypothetical 5,000-6,000 before 1872; rising to a censused 27,800 in 1914; declining to a censused 3,172 in 1968; ... More


Influences on Upland System Structure II: The Sagebrush-Steppe Subsystem

Frederic H. Wagner

in Yellowstone's Destabilized Ecosystem: Elk Effects, Science, and Policy Conflict

Published in print:
2006
Published Online:
September 2007
ISBN:
9780195148213
eISBN:
9780199790449
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195148213.003.0007
Subject:
Biology, Ecology

Historic and photographic evidence shows that sagebrush (sagebrush-steppe is 53% of the northern range) were moderate to abundant from 1872-1920, significantly reduced from 1920-1960, and recovered ... More


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