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A <br />information collected by the Utah Division of Wildlife Resources monitoring efforts may <br />. indicate greater survival from larger fish stocked. However, increasing numbers of <br />northern pike and walleye in the Green River may lead to some adult mortality. <br />Uncertainties <br />There are a number of biological uncertainties that could impact the successful implementation <br />r and/or completion of this stocking plan. Subsequent monitoring of these stocked fish should <br />address some of these uncertainties, fiu~ther research may be needed to address others: <br />Survival rates of stocked fish in the wild <br />~ Habitat requirements of bonytail <br />Reproductive success of stocked fish <br />Successful recruitment of endangered fish into the adult populations <br />Variability in age of female razorback sucker maturity <br />Carrying capacity of endangered fish populations in respective river reaches <br />~ Effects of hybridization <br />Due to these uncertainties, annual stocking abundances for razorback sucker and bonytail have <br />been revised within this plan to allow for approximately a 3Q% buffer above the stocking <br />objectives for razorback sucker and bonytail. This change is reflected in Tables 1 and 2. <br /> <br />C~ <br />C, <br /> <br />~ 8 <br />