Epic salmon migrations through rivers and oceans take salmon across borders and cultures, so sustaining them requires a large-scale solution.
While we’re experiencing a temporary uptick in salmon numbers for now, in the long term, conditions will trend back down, highlighting the need for more information to make good decisions on where to focus recovery efforts.
Scientists who study the northern Pacific Ocean are finding some disturbing, if not alarming trends: the ocean has been warming for several years; salmon sampled in 2015 from Alaska to California were smaller than normal; warmer water affects the types
