Dead Tree Map, 2009-2015, Animated GIF (IMAGE) University of California - Davis Caption This is a GIF showing dead trees per square mile in California between 2009-2015. Credit Derek Young/UC Davis Usage Restrictions Provide 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.