As drought dried up rivers that carry California’s newly hatched Chinook salmon to the ocean, state officials in recent years resorted to loading up the fish by the millions onto trucks and barges to take them to the Pacific.
The surreal and desperate scramble boosted the survival rate of the hatchery-raised fish, but still it was not enough to reverse the declining stocks in the face of added challenges. River water temperatures rose with warm weather, and a Trump-era rollback of federal protections for waterways allowed more water to be diverted to farms. Climate change, meanwhile, threatens food sources for the young Chinook maturing in the Pacific.
