The impact of nutria (Myocastor coypus) on marsh vegetation in the Willamette Valley, Oregon.
By: by William Alan Wentz.
Published: 1971
Language: eng
Number of pages: 41
Subjects: Coypu.; Marsh ecology.; Freshwater plants -- Oregon -- Willamette River Valley.
Notes: Typescript (photocopy).

Thesis (M.S.)--Oregon State University, 1971.

Includes bibliography.