Knaggs Ranch Research (image) University of California - Davis Caption UC Davis Center for Watershed Sciences and California Trout researchers study salmon growth in seasonally flooded rice fields in the Yolo Bypass near Woodland, Calif., on Feb. 19, 2013. Scientists are investigating whether the Central Valley's historical floodplains could be managed to help recover California's populations of Chinook salmon. Credit Carson Jeffres/UC Davis Usage Restrictions Provide credit. 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.