Memo Offers Preliminary 2019 Juvenile Salmon/Steelhead Survival Estimates Through Columbia/Snake Dams; Sockeye Show Improvement

Survival estimates for juvenile salmon and steelhead during the 2019 spring migration through Snake and Columbia river dams – Lower Granite Dam to Bonneville Dam – varied: Snake River sockeye survival was above average, while Snake River yearling chinook survival was near average, and Snake River steelhead survival fell below average, according to a recently released NOAA Fisheries memorandum.

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