1. E-SCREEN, SMOLT MORTALITY LINK

Operations related to the testing
of prototype extended length screens are suspected as a cause of a spike
in mortality among juvenile salmon directed through John Day Dam’s bypass
system.
Researchers on Monday told a multi-agency
technical panel that test operations of the screens seemed to mirror an
increase in mortality as measured at the dam’s new $32 million smolt monitoring
facility. It was built so researchers could check the fishes’ condition
following passage through the …

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