2013 had the largest pink salmon run in 50 years. (nextbigfuture.com)
Similarly, the establishment of legal fishing seasons can affect the timing of salmon runs by selectively killing late or early migrants. (scientificamerican.com)
Not much has been said about how the solo mode differs from the first game, not much has been said about salmon run either which is the main new multiplayer thing. (gonintendo.com)