UW News
Sarah Converse
October 19, 2020
Early-arriving endangered Chinook salmon take the brunt of sea lion predation on the Columbia
![sea lion eating a salmon](https://uw-s3-cdn.s3.us-west-2.amazonaws.com/wp-content/uploads/sites/6/2020/10/19085612/Graphical-abstract-150x150.jpg)
A new University of Washington and NOAA Fisheries study found that sea lions have the largest negative effect on early-arriving endangered Chinook salmon in the lower Columbia River. The results of this study will publish Oct. 18 in the Journal of Applied Ecology.