Northern Prairie Wildlife Research Center
Impact of Red Fox Predation on the Sex Ratio of Prairie Mallards
Figure 8: The Expected Predation Rate as a Function of Prey Population
Fig 8. The expected predation rate as a function of prey population.
Shown here is the rate for male mallards (either Case I or II).
Previous Section-- Figure 7: An Example of a 50-year
Series of Male Mallard Populations
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Next Section-- Figure 9: The North American Breeding
Range of the Mallard