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Clemson University
college of agriculture, forestry and life sciences clemson university

Ryan Bohannon

PhD Student - Forest Resources
Graduate Research Assistant
Forestry and Environmental Conservation Department

Office: G16 Lehotsky Hall



Educational Background

M.S. Forestry and Entomology
North Carolina State University 2022

B.S. Fisheries, Wildlife, and Conservation Biology
North Carolina State University 2020


Ryan is a Ph.D. student in the Silviculture and Ecology Lab. His research focuses on enhancing the resilience of coastal southern forests to the combined impacts of invasive plants and climate change (e.g., increasing severity of hurricane impacts). His research evaluates silvicultural methods for promoting the regeneration and recruitment of native and climate-adapted tree species based on an understanding of forest dynamics. Ryan earned his B.S. and M.S. from the College of Natural Resources at North Carolina State University. His graduate research in the NC State Forest Health Lab focused on the phenology, impacts, and biological control of the emerald ash borer, a devastating pest of ash trees, in the Southeast.

Research Interests

Silviculture, forest health, forest ecology, forest entomology, disturbance ecology, wildlife habitat management

Extension and Outreach

Ryan served as an Extension Assistant with NC State Extension Forestry, where he created fact sheets, videos, and infographics about forest health topics.


Bohannon, G.R., C.L. Johnson, R.M. Jetton, and K.L.F. Oten. 2022. Phenology and voltinism of emerald ash borer (Coleoptera: Buprestidae) in central North Carolina. Environmental Entomology 51(6): 1077–1085.

Nalepa, C.A., G.R. Bohannon, and K.L.F. Oten. 2024. Size of emerald ash borer in North Carolina, USA: preliminary evidence for a sawtooth cline? Agricultural and Forest Entomology 26(1): 93–100.


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Extension Publications
College of Agriculture, Forestry and Life Sciences
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