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Corvallis Research Lab
To help managers develop a management strategy for spring chinook in the Willamette and Sandy rivers we developed a research proposal with five objectives:

Objective 1. Determine the numerical status of existing natural populations and develop methods for monitoring that status. Determine if these populations belong to one or more gene conservation groups.

Objective 2. Decrease mortality of wild fish in fisheries by determining feasibility of catch and release sport fisheries and by exploring options for reducing mortality in commercial fisheries.

Objective 3. Reduce the risk that large hatchery programs pose for natural populations by developing ways of decreasing interactions between wild and hatchery chinook in streams and by determining need for more wild fish in hatchery broodstocks.

Objective 4. Protect existing natural production areas by defining temporal and spatial use patterns by life stages of spring chinook and identify the habitat/environmental attributes conducive to that use.

Objective 5. Increase natural production by improving habitat in existing production areas and by re-establishing populations where they were found historically.



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