Bird communities in commercially thinned and unthinned Douglas-fir stands in western Oregon
By: by Joan C. Hagar.
Published: 1992
Language: eng
Number of pages: 110
Subjects: Bird populations -- Oregon.; Douglas fir -- Oregon.
Notes: Typescript (photography)

Thesis (M.S.)--Oregon State University, 1993.

Includes bibliographical references (leaves 93-100)