Evaluations of duck habitat and estimation of duck population sizes with a remote-sensing-based system
By: by Lewis M. Cowardin, Terry L. Shaffer, and Phillip M. Arnold.
Contributors: Shaffer, Terry L.; Arnold, Phillip M.; United States. National Biological Service.
Series: Biological science report,; 2
Publisher: U.S. Dept. of the Interior, National Biological Service
Published: 1995
Place of publication: Washington, D.C
Language: eng
Number of pages: 26
Subjects: Ducks -- Habitat -- Prairie Pothole Region.; Bird populations -- Prairie Pothole Region -- Measurement -- Remote sensing.
Notes: Includes bibliographical references (p. 25-26).
"May 1995."