Tag: fish life history
-
Life history differences between natural and hatchery-origin winter-run Chinook present opportunities and challenges for managing the endangered species
By Emily Chen, Katherine Lumahan, Rachel Johnson, Corey Phillis, George Whitman, Anna Sturrock, Will Satterthwaite, and Stephanie Carlson . . . Wild Pacific salmon and trout exhibit complex variation in completing their life cycle. Within a single population, some individuals leave their natal (birth) streams soon after they emerge from the nest to begin their…
-
Sex, lies and videotape: Premature maturation of Chinook salmon on Shasta River
Carson Jeffres, Senior Research Associate, Center for Watershed Sciences, University of California – Davis Migration to and from the sea (anadromy) is the iconic pattern we associate with Pacific salmon. They spend most of their life in the ocean, taking advantage of its productivity to grow and mature. These adults return upstream to spawn in…