Chinook salmon migrate from the ocean back to the freshwater streams where they were born to spawn. Females find suitable nesting sites, usually in gravel beds, ...

Thousands of tons of gravel is being laid in the American River this month, re-establishing a crucial spawning area for hundreds of native salmon and steelhead trout.

Following the lowest-ever total of naturally spawned juveniles in 2022, winter-run Chinook salmon should benefit from an increase in habitat in the Sacramento River beginning next week.

Chinook salmon swim in a northern California river for the first time in more than 80 years. ... Scientists hope to have ...

Chinook salmon are facing unprecedented challenges as their once-thriving populations struggle to survive. A new study published in the journal Ecosphere suggests that decades of human activities, ...

All the latest science news on gravel from Phys.org. Find the latest news, advancements, and ... Chinook salmon are facing unprecedented challenges as their once-thriving populations ...

Sometimes it can be a mix of both. Lee said he believes most of the adult Chinook in Sonoma Creek this year are “hatchery strays” that originated from several large breeding facilities in the ...

Chinook salmon are facing unprecedented challenges as their once-thriving populations struggle to survive. A new study published in the journal Ecosphere suggests that decades of human activities ...

The last time a 50-pound Chinook topped the Golden North Salmon Derby standings, the year was 1990. Roger Drapeaux’ 55 pounds, fish took home the ...