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Evaluation of desert bighorn sheep abundance surveys,southwestern Arizona,USA |
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| Authors: | Michael J Conroy Grant Harris David R Stewart Matthew J Butler |
| Institution: | 1. Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA, 30602 USA;2. U.S. Fish and Wildlife Service, P.O. Box 1306, Albuquerque, NM, 87103 USA |
| Abstract: | |
| Keywords: | abundance aerial surveys detection double observer Ovis canadensis precision sightability model simulation survey design telemetry trend |