Migration Patterns of Juvenile Winter-run-sized Chinook Salmon (Oncorhynchus tshawytscha) through the Sacramento–San Joaquin Delta

Rosalie del Rosario, Yvette Reddler, Ken Newman, Patricia Brandes, Ted Sommer, Kevin Reece, Robert Vincik

Research output: Contribution to journalArticlepeer-review

Abstract

The decline of Sacramento River winter-run Chinook salmon (Oncorhynchus tshawytscha) remains one of the major water management issues in the Sacramento River. Few field studies have been published on winter-run, leaving gaps in our knowledge about their life history. This is especially true in the Sacramento–San Joaquin Delta, which provides essential rearing and migratory habitats for winter-run, and serves as the center of water operations for California. Using long-term monitoring data that identified winter-run-sized fish (“winter-run”) using length-at-date criteria, we examined patterns of juvenile migration in terms of geographic distribution, timing, numbers, and residence times. We analyzed the role of flow, turbidity
Original languageEnglish
Article number11(1)
Number of pages22
JournalSan Francisco Estuary and Watershed Science
Volume11
Issue number1
Publication statusPublished - 2013

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