Susan D. Day, Assistant Professor
Research Projects
- a tree-based stormwater management system using engineered soils
- modeling the influence of soils on canopy development
- urban soil rehabilitation
- effects of woody vegetation on plant communities and hydrology in stormwater detention basins
Teaching Responsibilities
- HORT 2134 Plants & Greenspaces in Urban Communities
- HORT 3644 Landscape Establishment & Maintenance
- FOR 5984 SS: Advanced Studies in Urban Forest Ecosystems (offered Spring 2010)
Education and Service
Green Industry Knowledge Center for Water and Nutrient Management (waternut.org)
National and International Service
- Member, Soils Sub-Committee, Sustainable Sites Initiative (sustainablesites.org)
- Member, International Society of Arboriculture Science and Research Committee
- Chair, Review Panel for the Garden Club of America Zone VI National Urban Forestry Fellowship
Recent Peer-reviewed Articles
- Day, S.D., G.W. Watson, P.E. Wiseman, and J.R. Harris. 2009. Causes and consequences of deep structural roots in urban trees: from nursery production to landscape establishment. Arboriculture & Urban Forestry (in press).
- Bartens, J.*, S. D. Day, J. R. Harris, J. E. Dove, and T. M. Wynn. 2008 Can urban tree roots improve infiltration through compacted subsoils for stormwater management? Journal of Environmental Quality 37:2048-2057.
- Harris, J. R., S. D. Day and B. Kane. 2008. Nitrogen fertilization during planting and establishment of the urban forest: A collection of five studies. Urban Forestry & Urban Greening. 7(3):195-206.
- Day, S. D. and J. R. Harris. 2008.Growth, survival, and root system morphology of deeply planted Corylus colurna seven years after transplanting and the effects of root collar excavation. Urban Forestry & Urban Greening. 7(2): 119-128.
- Day, S. D. and J. R. Harris. 2007. Fertilization of red maple and little-leaf linden trees at recommended rates does not aid tree establishment. Arboriculture & Urban Forestry 33(2):113-121.
Selected Recent Presentations and Proceedings
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Day, S.D., J. R. Harris, P.E. Wiseman, Tang Dai, J. Bartens, and E. G. McPherson. 2008. Tree root systems in urban settings: Growth and development—part of the International Society of Arboriculture’s Literature Review Series. In Arboriculture for the Third Millenium. Ed. F. Ferrini. European Congress of Arboriculture. June 16-18, 2008, Turin, Italy. (in press)
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Day, S. D., J. E. Dove, J. Bartens*, and J. R. Harris 2008. Stormwater management that combines paved surfaces and urban trees. In Geosustainability and Geohazard Mitigation: Proceedings of Selected Sessions of GeoCongress 2008. Eds. K.R. Reddy, M.. Khire, and A.N. Alshawabkeh. March 9-12, New Orleans, Louisiana. Geotechnical Special Publication No. 178. pp. 1129-1136.
- Harris, J.R., S.Day, N. Bassuk, Q. Xiao, J. Bartens*, T. Hafner, J. Dove, T. Wynn. 2007. Integrating the urban forest into stormwater management: A first step into restoring hydrologic function in urbanized environments. HortScience 42:824. Abstract.
- Bartens, J.*, S. D. Day, and J. R. Harris. Incorporating the urban forest into hardscape: A novel design for stormwater management. In New Forests After Old Industries. Eds. 10th European Forum on Urban Forestry. May 16-19, 2007, Gelsenkirchen, Germany. pp. 25-27.
- Bartens, J*, S. D. Day, J. R. Harris, and J. E. Dove. Integrating the Urban Forest into Stormwater Management: A First Step in Restoring Hydrologic Function to Urbanized Environments. In Emerging Issues Along Urban/Rural Interfaces II: Linking Land-use Science and Society. Ed. Laband, David N. pp. 217-220. April 9-12, 2007, Atlanta, Georgia. http://www.sfws.auburn.edu/urbanruralinterfaces/proceedings.pdf
- Day, S. D., J. Bartens, J.R Harris, and J.E. Dove. Quantifying the contribution of root systems in a tree-centered distributed stormwater management system. Second National Low Impact Development Conference. March 12-14, 2007, Wilmington, North Carolina. http://www.soil.ncsu.edu/extension/training/abstracts/proceed.php?num=5&action=detail&abs=60 (proceedings upcoming from American Society of Civil Engineers)
- Bartens, J.*, S.D. Day, and J.R. Harris. Trees and structural soil as a stormwater management system in urban settings: Tree development and contribution. In Urban Forestry: bridging cultures, disciplines, old attitudes & new demands. Eds. Ferrini, F., Salbitano, F. and G. Sanesi. 9th European Forum on Urban Forestry. May 22-27, 2006, Florence, Italy. pp. 104-106. www.greenlab.uniba.it/events/efuf2006 .
- “Looking Ahead—Urban Forests and Natural Resource Protection,” Keynote Speaker at Trees: the Oldest New Thing in Storm Water Management, Arkansas Urban Forestry Council 15th Annual Conference. Fayetteville, Arkansas. April 19-20, 2006.
- Day, S.D., J. Roger Harris and R.J. Stipes. 2006. Buried Trunks: How Deep Planting Affects Trunk Tissue, Adventitious Rooting, and Tree Growth. In Proceedings of Trees and Planting: Getting the Roots Right (held Nov. 10, 2005.) Ed. G. Watson. The Morton Arboretum, Lisle, Illinois. pp. 45-48. http://www.mortonarb.org/research/roots/
Professional and Honor Societies
- Arboriculture Research and Educational Academy
- Ecological Society of America
- Environmental & Water Resources Institute of the American Society of Civil Engineers
- International Society of Arboriculture
- Society of American Foresters
- Phi Kappa Phi Honor Society
- Trees Virginia

