Epic salmon migrations through rivers and oceans take salmon across borders and cultures, so sustaining them requires a large-scale solution.
From the ship's cat to the cluttered laboratory and lace curtains on the portholes, Laurie Wietkamp found that life aboard the Professor Kaganovskiy was just a bit different that what she was used to.
Sea lions continue to feast on Columbia River spring Chinook, this year killing 24 percent of an already depressed run, research suggests.
A June survey of the near-shore ocean off the mouth of the Columbia River found almost no juvenile salmon, despite normal abundance in the river. Why?
Wild Willamette winter steelhead, already at low numbers, face a new and growing threat: Sea lions.
Chum salmon runs, once plentiful in the lower Columbia River, declined by about 99 percent over time but now are slowly rebuilding.
Supply should be adequate through 2020, but the region will need to add new capacity by 2021 to maintain adequacy.
On May 19 the Colville Tribes hosted their annual First Salmon Ceremony at the Chief Joseph Hatchery, where the ceremony has been held since 2013.
An assessment of potential salmon habitat will help inform a future decision about whether and where to reintroduce ocean-going fish to the area above Chief Joseph and Grand Coulee dams, which has been blocked to salmon for more than 70 years.
Ongoing research, recently wrapped up for this year, shows seals and sea lions continue to feast on Columbia River spring Chinook.