Sockeye Salmon Run in Alaska (IMAGE) University of California - Santa Cruz Caption Sockeye red with spawning colors return to a freshwater stream near Dillingham, Alaska. Salmon runs like this transport marine nutrients into terrestrial ecosystems. Credit Andrew Hendry Usage Restrictions For use only with news coverage of this research License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.