Gregory Dahle

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Gregory A. Dahle, PhD, BCMA

Assistant Professor
Arboriculture & Urban Forestry

Contact Information

West Virginia University
Division of Forestry and Natural Resources
PO Box 6125, Morgantown, WV 26506-6125

Telephone: (304) 293-6292
Fax: (304) 293-2441
Email: gregory.dahle@mail.wvu.edu


Ph.D. Ecology & Evolution, Rutgers University (2009)
M.S. Arboriculture, Purdue University (2004)
B.S.F. Wildlife Management, Purdue University (1995)

Professional Employment

Researcher, New Jersey Division of Parks & Forestry (2004-2005)
Sales Manager, TruGreen-LandCare (1999-2001)
Project Coordinator, Davey Resource Group (1995-1999)

Courses Taught

FMAN 315 – Survey of Arboriculture
FMAN 320 – Arboriculture & Urban Trees
FMAN 400 – Summer Field Experience
FMAN 423 – Urban Forest Management
FMAN 491 – Professional Field Experience

Research Interests

Tree biomechanics
Tree allometry
Tree assessment and risk management
Tree protection during construction
Tree pruning and maintenance
Urban forest diversity

Professional Affiliations

International Society of Arboriculture
Arboricultural Research and Education Academy
Society of Municipal Arborists
Utility Arborist Association
Xi Sigma Pi
Gamma Sigma Delta

Selected Publications

Dahle, G, J Grabosky, B Kane, J Miesbauer, W Peterson, F Telewski, A Koeser, G Watson. 2014. Tree Biomechanics: A White Paper from the 2010 International Meeting and Research Summit at the Morton Arboretum (Lisle, IL, US). Arboriculture & Urban Forestry 40:309-318

Dahle, GA and JC Grabosky. 2014. Variation in anatomical features along Acer platanoides (Aceraceae) branches. International Journal of Horticulture and Floriculture 2:130-136

Dahle, GA, FJ Gallagher, D Gershenson, K VR Schäfer and JC Grabosky. 2014. Allometric and Mass Relationships of Betula populiforia in a Naturally Assembled Urban Brownfield: Implications for Carbon Modeling. Urban Ecosystems DOI 10.1007/s11252-014-0377-9

James, K, GA Dahle, J Grabosky, B Kane, A Detter. 2014. Tree Biomechanics Literature Review: Dynamics. Arboriculture & Urban Forestry 40:1-15

Dahle, GA and J Grabosky. 2012. Determining if Lateral Imbalance Exists in First Order Branches Leads to a Potential Development of Torsional Stress. Arboriculture & Urban Forestry 38: 141-145

Grabosky, JC, ET Smiley and GA Dahle. 2011. Research Note: Observed Symmetry and Force of Plantanus × acerifolia (Ait.) Willd. Roots Occurring Between Foam Layers Under Pavement. Arboriculture & Urban Forestry 37: 35-40

Dahle, GA and JC Grabosky. 2010. Variation in Modulus of Elasticity (E) along Acer platanoides L. (Aceraceae) branches. Urban Forestry Urban Greening 9:227-233

Dahle, GA and JC Grabosky. 2010. Allometric patterns in Acer platanoides (Aceraceae) branches. Trees-Structure Function 24:321-326

Dahle, GA and JC Grabosky. 2009. Review of Pertinent Literature on the Allometric Relationships in Tree Stems and Branches. Arboriculture and Urban Forestry 35:311-320

Dahle, GA, H Holt, W Chaney, T Whalen, J Grabosky, DL Cassens, R Gazo, R McKenzie, and JB Santini. 2006. Decay patterns in silver maple trees converted from round-over to V-trim. Arboriculture & Urban Forestry 32:260-264

Dahle, GA, H Holt, W Chaney, T Whalen, D Cassens, R Gazo, and R McKenzie. 2006. Branch strength loss implications for silver maple trees converted from round-over to V-trim. Arboriculture & Urban Forestry 32:148-154