Mongabay: A new study ties a 22 percent increase in mortality among trees in the California Sierra Nevadas to a temperature-driven increase in drought. The research, published in the October issue of Ecology Letters, suggests that
U.S. Geological Survey scientists, Phillip J. van Mantgem and Nathan L. Stephenson, measured the annual mortality of 21,338 trees in Sequoia and
Van Mantgem and Nathan L. Stephenson found that mortality rates increased for all trees combined, across most elevational zones and for each of two dominant types of conifers. The deaths were linked to changes in water availability.
…The study comes as other research reveals a marked increase in the number of forest fires occurring in the