2009 Steelhead Survival Rates Lower Granite-To- Below Bonneville ‘Significantly Higher’

River conditions were, for the most part, “normal,” this year; as were reach-by-reach survival rates for yearling chinook salmon during their migration down the lower Snake/Columbia River federal hydro system, according to preliminary data discussed in a Sept. 14 memo from NOAA’s Northwest Fishery Science Center.

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