Impact of red fox predation on the sex ratio of prairie mallards /

Bibliographic Details
Main Author:	Johnson, Douglas H.
Corporate Author:	U.S. Fish and Wildlife Service
Other Authors:	Sargeant, Alan B.
Format:	Government Document Book
Language:	English
Published:	Washington : Dept. of the Interior, Fish and Wildlife Service, 1977.
Series:	Wildlife research report (U.S. Fish and Wildlife Service) ; 6.
Subjects:	Red fox. Mallard. Predation (Biology) > Mathematical models. Sex ratio > Mathematical models.

Description
Physical Description:	2 unnumbered pages, iv, 56 pages : illustrations, graphs ; 25 cm.
Bibliography:	Bibliography: pages 53-56.