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Description: |
20 pages : illustrations ; 26 cm. |
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Bibliography Note: |
Includes bibliographical references (pages 19-20). |
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Summary, Etc. Note: |
Abstract: A long-term study of birds to obtain baseline population data in relatively undistrubed major plant types was started in Deschutes County, Oregon, in 1971. Four study areas were established. |
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Additional Physical Forms: |
Online version: Gashwiler, Jay S. Bird populations in four vegetational types in central Oregon. Washington : U.S. Dept. of the Interior, Fish and Wildlife Service, 1977 (OCoLC)632980608 |