What all those dead trees mean for the Sierra Nevada
Saturday, January 28, 2017 - 08:31
in Earth & Climate
The ponderosa pine had taken root decades before the Revolutionary War, making a stately stand on this western Sierra Nevada slope for some 300 years, Nate Stephenson figures. Then came the beetle blitzkrieg. Now the tree is a dab in the gray and rusty death stain smeared across the mountain range....