Research Finds Graded Ski Runs Lack Recovery Over Time

LAKE TAHOE, Calif. (AP) – Abandoned ski areas with cleared runs are recovering faster than those that were graded.
A study by University of California, Davis ecologists Jennifer Burt and Jeffrey Clary says the common practice of using machines to take out vegetation, boulders and a large amount of topsoil reduces the area’s ability to absorb rainfall and sustain healthy plant growth, the Sierra Sun reported.
The study looked at six out-of-use ski areas: the Powder Bowl/Deer Park Ski