Monitoring grizzly bear population trends
Journal of Wildlife Management
By: L. L. Eberhardt, R. R. Knight, and B.M. Blanchard
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Abstract
A simple different equation model was developed to provide additional perspective on observed mortality and trend data on Yellowstone grizzly bears (Ursus arctos horribilis). Records of mortalities of adult females from 1959 to 1985 were utilized, in conjunction with data on females with cubs. The overall downward trend of observed numbers of females with cubs generally agrees with the model calculations but does not adequately reflect mortality from 1970 to 1974. The model may be useful in developing a composite index of population trend.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Monitoring grizzly bear population trends |
| Series title | Journal of Wildlife Management |
| DOI | 10.2307/3800971 |
| Volume | 50 |
| Issue | 4 |
| Year Published | 1986 |
| Language | English |
| Publisher | Wildlife Society |
| Publisher location | Washington, D.C. |
| Description | 6 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Wildlife Management |
| First page | 613 |
| Last page | 618 |
| Country | United States |
| State | Idaho;Montana;Wyoming |
| Other Geospatial | Yellowstone National Park |
| Google Analytic Metrics | Metrics page |