Aspects of mammalian predation on upland nesting waterfowl in central North Dakota / John Thompson Trevor.
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TextPublication details: Grand Forks, ND : University of North Dakota, 1989.Description: xii, 89 leaves : ill. , map ; 28 cmOnline resources: Abstract: The impact of mammalian predation on upland nesting waterfowl was studied in central North Dakota during the summers of 1987 and 1988.Survival of artificial nests was examined in relation to nest density,vegetation cover, distance from roads, active predator dens, and other artificial nests in a plot. Survival of artificial nests was also compared between an area with predator control and one without predator control. Artificial waterfowl nests located in high density plots had a significantly lower probability of survival than nest located in low density plots. Although there were significant differences in vegetation height and density between years, the probability of survival of nests in dense vs. sparse vegetative cover was the same. There was also no relationship between nest survival and distance to roads, active predator dens, or other artificial waterfowl nests. The probability of survival of nests located in the predator control plot was significantly greater than nests lo
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Thesis(M.S.)--University of North Dakota, 1989.
Includes bibliographical references (leaves 83-89).
The impact of mammalian predation on upland nesting waterfowl was studied in central North Dakota during the summers of 1987 and 1988.Survival of artificial nests was examined in relation to nest density,vegetation cover, distance from roads, active predator dens, and other artificial nests in a plot. Survival of artificial nests was also compared between an area with predator control and one without predator control. Artificial waterfowl nests located in high density plots had a significantly lower probability of survival than nest located in low density plots. Although there were significant differences in vegetation height and density between years, the probability of survival of nests in dense vs. sparse vegetative cover was the same. There was also no relationship between nest survival and distance to roads, active predator dens, or other artificial waterfowl nests. The probability of survival of nests located in the predator control plot was significantly greater than nests lo