Bighorn Canyon National Recreation Area
Data were collected from 05-88 to 12-88 in continued research to aid in the development of a management program for Rocky Mountain bighorn Sheep (Ovid c. canadensis) at Bighorn Canyon National Recreation Area (BICA). A principle goal of the management program at BICA is to promote the continued expansion of a recolonized population throughout ancestral habitat in the area (BICA 1984). In previous research at BICA (Coates and Schemnitz, 1988), we identified 3 factors as potentially limiting to herd expansion: visitor and (or) vehicular disturbance of bighorns (esp. reproductive ewes), competition with horses for grasses, and possible genetic constraints on recruitment resulting from small founder-group size.
Coates, Kevin and Schemnitz, Sanford
"Cardiac Telemetry, Natality and Genetics of a Recolonized Population of Bighorn Sheep at a Wild Horse Range,"
University of Wyoming National Park Service Research Center Annual Report: Vol. 12
, Article 3.
Available at: http://repository.uwyo.edu/uwnpsrc_reports/vol12/iss1/3