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

Includes bibliographical references (p. 45-51.)