1st CALL FOR ABSTRACTS
2026 NWSGC Biennial Symposium
Spring 2026

Northern Wild Sheep and Goat Council 11 – 1998

Click on any article title to download a pdf version of the article. Selecting the Table of Contents will initiate a download of a pdf of the table of contents and selecting the conference title will initiate a download of the entire proceedings for that year.

Proceedings of the 11th Biennal Symposium
Whitefish, Montana


Table of Contents

Effects of Nonhunting Disturbance

Winter Recreation and Human Disturbance on Mountain Goats: A Review
Nathan Varley

A Review of the Potential Effects of Winter Recreation on Bighorn Sheep
Kristin L. Legg

Habitat and Habitat Enhancement

Wildlife Reclamation Planning(Abstract)
Beth MacCallum

Habitat Use and Movements of Mountain Goats as Determined by Prototype GPS Collars, Robson Valley, British Columbia
Kim G. Poole, Douglas C. Heard

Evaluation of Bighorn Sheep and Mule Deer Habitat Enhancements Along Koocanusa Reservoir (Abstract)
Bret Stansberry

Fire’s Place and Use in Habitat and Management within the Sun River Area of West Central Montana
Brad McBratney, Dave Shittekiend, Quentin Kujala

Disease

Field Treatment of Bighorns During Pneumonia Die-offs
Victor L. Coggins, Patrick E. Matthews

A Comparison of Population and Health Histories Among Seven Montana Bighorn Sheep Populations
Keith Aune, Neil Anderson, David Worley, Larry Stackhouse, James Henderson, Jen’e Daniel

Predicting Summer Lamb Mortality in Free Ranging Bighorn Sheep
Holly Akenson

Evaluation of Ewe Vaccination as a Tool for Increasing Bighorn (Ovis Canadensis) Lamb Survival Following Pasteureollosis Epidemics
E. Frances Cassirer, Karen Rudolph, Pat Fowler, Victor L. Coggins, David L. Hunter, Michale W. Miller

Nonnatives/Predation

Phenotype Evaluation of Free-Ranging European Mouflon (Ovis Orientalis Musimon) On Kahuku Ranch, South Point Hawaii (Abstract)
Michael R. Frisina, R. Margaret Frisina

Argali and Blue Sheep on the Tibetan Plateau: Status Update
Richard B. Harris, Daniel H. Pletscher

Comparing Methods to Determine Distribution and Movement Patterns Of Forest-Dwelling Mountain Goats
Georgie (Donna) Harrison

High Predator Densities in Yellowstone National Park may Limit Recovery of Bighorn Sheep Populations from the 1981 Chlamydial Caused Die Off
Kayhan Ostovar, Lynn R. Irby

Density Effects on Populations

Mating in Bighorn Sheep: Frequent Mal Reproduction via a High Risk Unconventional “Tactic” (Abstract)
John T. Hogg, Stephen H. Forbes

Population Dynamics of Bighorn Sheep on the Beartooth Wildlife Management Area, Montana
Terry Enk, Dr. Harold Picton, Jim Williams

Bighorn Sheep Population Dynamics on the Beartooth Wildlife Management Area, Montana (Abstract)
Terry Enk
Lessons Learned from Rates of Increase in Bighorn Herds
William Wishart, Beth MacCallum, Jon Jorgenson

Population Overviews

Status, Harvest and Co-Management of Dall’s Sheep in the MacKenzie Mountains, Northwest Territories
Alasdair Veitch, Ellen Simmons, Jan Adamczewski, Richard Popko

History and Current Status of Bighorn Sheep in Northeast Montana
Mark G. Sullivan, Al Rosgaard, Thomas S. Stivers

To be Limited or Not, That is the Question(Abstract)
Kurt L. Alt

Against the Grain

Consideration of a Biological Approach to Management of Subsistence Sheep Hunting Through Adjustment of Bag Limit
Wayne Heimer

Appendix: Details and Fallout from Dall Sheep Subsistence Management in the Western Brooks Range, August 1998: “Reaping What’s Been Sown”
Wayne Heimer

Compensatory Reproduction and Dispersal in an Introduced Mountain Goat Population in Central Montana (Abstract)
James S. Williams

What We Learned About Harvest Management of Alaskan Dall Sheep (1971-1997)
Wayne E. Heimer

Population Monitoring

Average Age of Harvest: What is it Really Telling US?
Jean Carey, Michael Dehn

Comparison of Bighorn Ram Horn Growth Between Original Sun River Population and Three Transplanted Populations: Heredity or Environment
Dan Hook

Addendum to 1998 Proceedings

Experimental Treatment of Lungworn in Wild Bighorn Sheep Using Fenbendazole Available at Free-Choice Treatment Stations
Keith Aune, David Worley, Mike Frisina, Bill Semmens, Todd Becker

Phenotype Evaluation of Free-Ranging European Mouflon (Ovis orientalis musimon) on Kahuku Ranch, South Point, Hawaii
Michael R. Frisina and R. Margaret Frisina

Evaluation of a Multivalent Pasteurella haemolytica Toxoid Bacterin in Protecting Bighorn Sheep from Pneumonia After Exposure to Domestic Sheep
Bill Foreyt