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Yellowstone National Park
The Ecology of Bison Movements and Distribution In and Beyond Yellowstone National Park

A Critical Review with Implications for Winter Use
and Transboundary Population Management

C. Cormack Gates
Brad Stelfox
Tyler Muhly
Tom Chowns
Robert J. Hudson

April 2005

In June 2004, the National Park Service commissioned Dr. Cormack Gates of the Faculty of Environmental Design at the University of Calgary to conduct an independent assessment on the effects of groomed roads on bison movement during the winter in Yellowstone National Park. Entitled, "The Ecology of Bison Movements and Distribution in and beyond Yellowstone National Park," the report has been completed and is now available to the public.



Full Document (7.92 MB pdf)
Table of Contents (19 KB pdf)
Executive Summary (76 KB pdf)
Chapter 1 - Introduction (55 KB pdf)
Chapter 2 - Review of Literature on Ungulate Movements (214 KB pdf)
Chapter 3 - Environmental Setting (1.81 MB pdf)
Chapter 4 - History of Bison Management in Yellowstone National Park (546 KB pdf)
Chapter 5 - Bison Population Dynamics and Spatial Ecology (2.74 MB pdf)
Chapter 6 - Strategic-level Bison Population and Distribution Model (2.04 MB pdf)
Chapter 7 - Synthesis and Recommendations (139 KB pdf)
References & Appendices (235 KB pdf)


Faculty of Environmental Design
UNIVERSITY OF CALGARY
Calgary, Alberta


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Fire in Yellowstone Pineland in 1988  

Did You Know?
The 1988 fires affected 793,880 acres or 36 percent of the park. Five fires burned into the park that year from adjacent public lands. The largest, the North Fork Fire, started from a discarded cigarette. It burned more than 410,000 acres.

Last Updated: August 09, 2006 at 16:22 EST