‘We are seeing the initiation of a retreat of forests to higher elevations’
A June, 2011 wildfire in Keystone Gulch burned within a few hundred feet of vacation homes and full-time residences at the Colorado resort. @bberwyn photo.
Global warming is likely one of the main factors that’s preventing some Colorado forests from regenerating after wildfires.
When they started studying eight wildfire sites that burned across 162,000 acres of low-elevation forests along the Front Range, University of Colorado Boulder researchers said they expected to see young trees popping up all over the place, but that’s not what they found.
There were no seedlings at all in 59 percent of the study plots and 83 percent showed a very low density of seedlings. Future warming and associated drought may hinder significant further recovery, the researchers concluded. Only 2 to 38 percent of plots surveyed, depending on the fire…
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