Videos

The Benefits of Young Forests

Dr. Katie Greenberg at the AFOA Annual Meeting, 2016.

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The Oak Stands Tall

The eastern United States' mightiest tree, the oak, is in decline, possibly due to over-harvesting or climate change. Whatever the cause, scientists are trying to find ways to reverse this decline. Watch U.S. Forest Service researcher Tara Keyser and others use fire to give young oaks room to grow in the North Carolina mountains.

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Chestnut trees blooming again in ET

Six years ago the U.S. Forest Service planted 562 chestnut seedlings on this 1.5-acre plot in the Cherokee National Forest to test how hybrid chestnuts bred for blight resistance would fare in the wild. The project, which includes similar test plots in national forests in North Carolina and Virginia, is at the forefront of research aimed at restoring the once-mighty chestnut tree to the Appalachian forest.

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Acorns Count

The acorn is not only a symbol of fall, but the nuts are a baseline indicator of the current and future health of the forest ecosystem. U.S. Forest Service researchers studying acorns find a bounty of acorns indicates healthy trees and a plentiful food supply for the creatures that form the base of the forest food chain. Research Ecologist Katie Greenberg and Forestry Technician Jacquelyne Adams explain how the study of acorns can gauge the current and future health of the forest ecosystem.