The Klamath River, flowing through Oregon and California, recently regained its natural course after more than a century of ...

Understanding the connection between flow conditions and upstream salmon migration success and faiure has been limited by a lack of detailed hydraulic information such as encounter velocities that ...

This is in part because many salmon species undergo an exhaustive migration journey as part of their reproduction cycle, one that takes them across multiple environments in their quest to travel ...

Check out these amazing photos of Scottish salmon migrating upriver. Lister Cumming, 77, from Perth, Scotland took these amazing shots on the River Almond. The salmon swim upriver to mate and must ...

In Oregon, human-made barriers have turned centuries-old migratory routes into life-or-death struggles for fish.

Too early for offshore aquaculture, says Norwegian Institute of Marine Research. "More knowledge is needed" on environmental ...

However, understanding flow conditions and discharges that present hydraulic barriers to upstream salmon migration in the Fraser Canyon is limited by a lack of high resolution observations. We used ...

RAUSU, Hokkaido—Salmon are at the peak of their upstream migration in the rivers of the eastern Shiretoko Peninsula in Hokkaido. Salmon spend three to five years feeding and growing in the open ...

6 - the number of years after which some salmon return to the very same river that it was spawn in 29kgs - generally accepted as the weight of the largest salmon caught on rod and line.

Researchers used a network of about 40 water quality monitors to spot spikes in salt contamination, then simulated those conditions on salmon eggs and juvenile fish in a lab.

The annual field trip has connected tens of thousands of local students with Oregon’s salmon migration for decades. The water needs to be clean, cold and clear, and the surrounding land needs to ...