Fall foliage color may signal tree stress study says
Biologists study if autumn leaf colors reveal stress from drought pollution or pests. Vermont researchers compare pigment shifts in maples oaks and viburnums, noting red anthocyanin deepens on girdled branches and may reflect environmental damage. If proven, leaf color could gauge forest health broadly.
MENTIONED IN THIS ARTICLE
Paul Schaberg
U.S. Forest Service
Burlington
VI. Schaberg
Schaberg
East
Midwest
Vermont
New England
William Hoch
University of Wisconsin- Madison
Maple Grove
Wichita
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