Hatcheries can boost wild salmon numbers but reduce diversity
![Photo by Kate Ruck. Pink salmon spawn in Gilmour Creek, Prince William Sound, Alaska, as a field technician works to collect carcasses of dead fish. Hatcheries can boost wild salmon numbers but reduce diversity](https://alaska-native-news.com/wp-content/uploads/screenshot.38-2.jpg)
The ability of salmon hatcheries to increase wild salmon abundance may come at the cost of reduced diversity among wild salmon, according to a new University of Alaska Fairbanks–led study. The number of juvenile salmon released into the North Pacific Ocean by hatcheries increased rapidly in the second half of the last century and remains […]