Acoustic-tagged juvenile Chinook salmon (Oncorhynchus tshawytscha), steelhead (O. mykiss), and sockeye salmon (O. nerka) detections in the Yakima River, Washington, 2018-2024
Description
Juvenile Chinook salmon (age 0 and age 1), steelhead, and sockeye salmon were acoustic tagged and released at sites along the Yakima River in and below Yakima, WA 2018-2024. Detection sites varied across years but included arrays placed at diversion dams, canals, hydropower facilities, and other locations throughout the Yakima and Columbia rivers. Study design included paired fish releases above and below irrigation diversions to evaluate effects on fish movement and survival. Overall, the purpose of this study was to evaluate the effects of barriers and other structures on juvenile Chinook salmon and steelhead behavior and survival across variable hydrological conditions.