Some aspects of the ecology of the muskrat, Ondatra zibethicus (Linn.),at Delta, Manitoba / Peter F Olsen
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TextPublication details: Ann Arbor, MI : University of Michigan, 1957.Description: viii, 163 leaves : ill. ; 28 cmOnline resources: Abstract: This investigation was made possible by an R. Howard Webster Marsh Management Study Project Fellowship, granted by the Wildlife Management Institute, for study at the Delta Waterfowl Research Station. The project began in June 1955, and continued throughout the summer. The work of this first summer may be considered more or less a familiarization with both the marsh and the muskrat. Additional data were gathered during a fall trapping season in early November, as well as during the spring harvest in early April, 1956. The project was continued through the summer of 1956, and harvest data were collected in November. The work during the second summer was much more intensive than that of the first. The primary objective of this investigation was to gather and integrate information concerning breeding, reproduction,mortality, behavior, and harvest of muskrats which would: 1) aid in the formulation of practical muskrat management plans for the Delta marsh,and 2) be a contribution to the
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Thesis(M.W.M)--University of Michigan, 1957.
Includes bibliographical references.
This investigation was made possible by an R. Howard Webster Marsh Management Study Project Fellowship, granted by the Wildlife Management Institute, for study at the Delta Waterfowl Research Station. The project began in June 1955, and continued throughout the summer. The work of this first summer may be considered more or less a familiarization with both the marsh and the muskrat. Additional data were gathered during a fall trapping season in early November, as well as during the spring harvest in early April, 1956. The project was continued through the summer of 1956, and harvest data were collected in November. The work during the second summer was much more intensive than that of the first. The primary objective of this investigation was to gather and integrate information concerning breeding, reproduction,mortality, behavior, and harvest of muskrats which would: 1) aid in the formulation of practical muskrat management plans for the Delta marsh,and 2) be a contribution to the