Chinook Salmon Spawning Upstream of the Landsburg Fish Passage Facility



With the completion of the Landsburg Fish Passage Facility in 2003, adult Chinook salmon were provided with the opportunity to move into more than 20 miles of previously occupied stream habitat. As fish re-colonize this new habitat in the protected municipal watershed, we hypothesize that the number of fish returning to spawn above the fish ladder will gradually increase. If this occurs, we expect the fish returning above Landsburg to become an increasingly large fraction of the overall Cedar River adult Chinook population. While it is still too early to accept or reject this hypothesis, data from early returns appears to support the expected trend.


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