Report: Smolt To Adult Returns For Snake River Fish Remain Below NW Power/Conservation Council Goals

The number of wild Snake River adult spring/summer chinook, measured as a percentage of juveniles that left the river and returned as adults (smolt-to-adult returns or SARs), has declined four-fold since the early 1960s and since the four lower Snake River dams were built, according to a report produced by the Fish Passage Center.

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