About This BlogRanger-naturalists have been interpreting the natural and cultural resources of Yosemite for park visitors for nearly a century. In this blog, some of Yosemite's park rangers share recent observations from around Yosemite. All posts are shown below, or you can view posts by topic. Yosemite's Ghost Forests
October 07, 2014
Despite its hearty stature, large stands of lodgepole pine can be found bleached of their color and stripped of their bark, in what are known as “ghost forests.” During the 1950s some 46,000 acres of lodgepole in Yosemite had effectively been defoliated and transformed into a ghost forest. So, how did some of the sturdiest high elevation trees die off in such large numbers? Lyell Glacier
September 11, 2013
August 29 marked the 142nd Anniversary of the first recorded ascent of Mount Lyell, Yosemite’s highest peak (13,114 feet). J. B. Tileston made that ascent in 1871. He left his base camp at four in the afternoon the day before he summited. Darkness found him bivouacked high in the mountains where he.... |
Last updated: March 27, 2021