Role of biological control as a management tool in national parks and other natural areas
By: Donald E. Gardner.
Contributors: United States. National Park Service.
Series: Technical report NPS/NRUH/NRTR -- 90/01.; Technical report NPS/NRUH/NRTR -- 90/01.
Publisher: U.S. Dept. of the Interior, National Park Service
Published: 1990
Place of publication: Washington, D.C
Language: eng
Number of pages: 41
Subjects: Pests -- Biological control -- United States.; Agricultural pests -- Control -- United States.; Weeds -- Biological control -- United States.
Notes: Shipping list no.: 90-777-P.

"September 1990."

"NPS D-549"--P. [3] of cover.

Includes bibliographical references (p. 37-40).