Development of a simulation model of mallard duck populations
By: by Carl J. Walters ... [et al.].
Contributors: Walters, Carl J., 1944-
Series: Occasional paper - Canadian Wildlife Service ; no. 20
Publisher: Information Canada
Published: 1974
Place of publication: Ottawa
Language: eng
Number of pages: 35
Subjects: Mallard -- North America -- Data processing; Mallard -- North America -- Mathematical models; Birds -- North America; Bird populations -- North America
Notes: Bibliography: p. 34.