Scientists have learned that particles from car tires are a leading culprit in salmon declines in the Pacific Northwest—and ...

Coho salmon are returning in record numbers and spreading into parts of the Upper Willamette Basin they’ve never historically ...

New research from the Stone Center published today in Ecology Letters finds that coho salmon, 1 of 5 Pacific salmon species, have more dynamic migration patterns than previously thought.

MARIN COUNTY, Calif.— The Marin County Board of Supervisors unanimously approved a conservation ordinance on Tuesday that would protect coho salmon habitat and end a 15-year legal battle over ...