May 30, 2020 - UPI
New research, published Friday in the journal Science, suggests rising global temperatures and atmospheric CO2 concentrations over the last century, combined with an uptick in environmental stress and extreme weather events, have significantly altered the makeup of the planet's forests.
The changes have left old growth forests especially vulnerable.
For the study, researchers recorded satellite measurements of global forests and completed a survey of the scientific literature on forest health over the last several decades. Their efforts showed increases in tree mortality have left many forests dominated by younger, shorter stands.
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