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Register for May 12 Webinar: Tree Establishment and Growth in an FRA-Reclaimed Mine 17 Years Post-Establishment with Christopher W. Fields-Johnson, Davey Institute
Date & Time
May 12, 2026, 2:00 p.m. CT
Abstract
Coal surface mining has caused extensive disturbances to forests in Appalachia. Reforestation success has improved with the Forestry Reclamation Approach (FRA). One of the oldest fully replicated studies testing the five FRA steps was conducted between 2007 and 2009. Tree plots were remeasured in 2025 to assess the effects of block, seeding, and grading on tree size and canopy composition. The results showed significant effects from blocks with different mine soil properties, and some differences between grading treatments and seeding treatments. Forest productivity site indices were as high as 37 meters in height at 50 years for tulip trees (Liriodendron tulipifera) and 40 meters for Eastern white pines (Pinus strobus), far exceeding values predicted from soil survey data. Overall, the forest canopy is nearing full closure, with all planted tree species present and living.