Impact of Red Fox Predation on the Sex Ratio of Prairie Mallards
Table 3: Definitions of Rates Associated with the Equations in Table 2
Table 3. Definitions of rates associated with the equations in Table 2.
r1 | = Number of male mallards taken per fox family |
r2 | = Number of female mallards taken per fox family |
r3 | = Proportion of male mallards surviving year |
r4 | = Proportion of female mallards surviving year |
r5 | = Proportion of male mallards suffering hunting mortality |
r6 | = Proportion of female mallards suffering hunting mortality |
r7 | = Proportion of male mallards taken by fox |
r8 | = Proportion of female mallards taken by fox |
r9 | = Proportion of male mallards suffering "other" mortality in summer |
r10 | = Proportion of female mallards suffering "other" mortality in summer |
r11 | = Proportion of male mallards suffering "other" mortality in winter |
r12 | = Proportion of female mallards suffering "other" mortality in winter |
r13 | = Sex ratio of recruited birds (male per female) |
Previous Section-- Table 2: Relationships Among Components of the Model
Return to Contents
Next Section-- Table 4: Various Indices of Red Fox Densities and Estimated Spring Population of Red Fox Families