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Researchers from Northern Arizona University have come to the alarming conclusion that 60 to 90 percent of the lush aspen groves in Coconino County, like this one near Flagstaff, are dying. They have not pinpointed a cause, but suspect the drought, climate change and fire suppression.

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Mystery aspen deaths

A slow-motion aspen holocaust continues to unfold across Northern Arizona, with 60 to 90 percent of the tremulously beautiful harbingers of fall dying off in many groves in the Kaibab and Coconino national forests, according to a just-released study by Northern Arizona University researchers.

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