Welcome to our Story Map about California Tree Mortality. Since 2010 over 127 million trees have died due to drought and bark beetles. The hardest hit region is the Southern and Central Sierra including the counties of Amador, Calaveras, El Dorado, Fresno, Kern, Madera, Mariposa, Placer, Tulare, and Tuolumne where 96.4 million dead trees are located. This Story Map will take you through the history of the tree mortality epidemic and present solutions for affected landowners. Publish Date: Version I; February 2018