Feeding activity, rate of consumption, daily ration and prey selection of major predators in John Day Pool
Subtitle: annual report [1983]
By: by Gerard A. Gray ... [et al].
Contributors: Gray, Gerard A.; United States. Bonneville Power Administration. Division of Fish and Wildlife.; U.S. Fish and Wildlife Service.; National Fishery Research Center-Seattle.
Publisher: U.S. Dept. of Energy, Bonneville Power Administration, Division of Fish & Wildlife; U.S. Fish and Wildlife Service, Seattle National Fishery Research Center
Published: 1985
Place of publication: Portland, Or; Cook, Wash
Language: eng
Number of pages: 65
Subjects: Fishes -- Food.; Predation (Biology)
Other titles: Prey selection of major predators.
Notes: Spine title: Prey selection of major predators.

"Annual report, 1983"--Cover.

"February 1985."

"Contract DI-A179-82BP34796.

Includes bibliographies.