Salmon Under Threat (IMAGE) University of California - Davis Caption Warming temperatures mean that salmon may no longer be able to spawn in California's creeks, unless water is diverted from other uses. Spawning salmon in Butte Creek, above Centerville, Calif. Credit Allen Harthorn, Friends of Butte Creek. Usage Restrictions May be used with credit. 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.