Decades into what was once the world’s most productive ocean ranching operation, Japanese researchers have concluded that the nation’s hatcheries managed to breed some of the resilience out of their salmon and undermine the homing instincts of the fish.
As a result, the scientists are predicting continuing declines in Japanese salmon production in a warming North Pacific Ocean that has proven beneficial to wild Russian and Alaska salmon stocks to the north of Japan.
LINK (via: Craig Medred)
