Diminishing returns
Subtitle: salmon decline and pesticides
By: by Richard D. Ewing.
Contributors: Oregon Pesticide Education Network (OPEN).
Publisher: Oregon Pesticide Education Network (OPEN)
Published: 1999
Place of publication: [Eugene?], Or
Language: eng
Number of pages: 52
Subjects: Salmon -- Environmental aspects.; Salmon -- Northwest, Pacific -- Effect of habitat modification on.; Pesticides and wildlife.
Other titles: Salmon decline and pesticides.
Notes: "February 1999."

Includes bibliographical references (p. 45-51.)