Tracking the Toll of Beech Leaf Disease Near the Epicenter, Ohio, USA (IMAGE)
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Brianna Shepherd, research specialist at Holden Forests & Gardens, measures the diameter of an American beech tree as part of a long-term study on the impacts of beech leaf disease. First observed in northeastern Ohio over a decade ago, the disease is now rapidly spreading across the species’ range. In a new report, researchers near the epicenter share long-term monitoring data that quantify its effects for the first time. They found 30% of beech trees have died, and growth of surviving trees has slowed. The scientists warn the emerging threat could reshape eastern forests.
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Brandon Younan/Holden Forests & Gardens
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