Scientific markers used to predict the health and productivity of marine species such as juvenile salmon were positive in 2021, the second most favorable since 1998, according to analysis from the National Oceanic and Atmospheric Administration (NOAA). Fisheries biologists are cautiously optimistic that those conditions will persist into the near future, supporting the health of juvenile, ocean-run salmon off the coasts of Washington and Oregon.
The report looked at a number of oceanic health markers: atmospheric conditions, water temperature, salinity, oxygen levels, current movement, and biomass of Chinook and Coho salmon, along with food sources such as plankton and small crustaceans. Many of those indicators were more favorable than
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