Christopher M. Oswalt, PhD

Treesearch Publications

• Paul Meznarich, Christopher Witt, Erin Berryman, Ted Ridley, Christopher M. Oswalt. 2026. Picture perfect: Inventory snapshots provide valuable forest data at a glance
• Kevin M. Potter, Basil Iannone, Kurt Riitters, Qinfeng Guo, Karun Pandit, Christopher M. Oswalt. 2025. United States forests are increasingly invaded by problematic non-native plants
• Kevin M. Potter, Christopher M. Oswalt, James M. Guldin. 2024. Range-Wide Assessment of Recent Longleaf Pine (Pinus palustris Mill.) Area and Regeneration Trends
• Feng Luo, Ling Liu, G. Geoff Wang, Vijay Kumar, Mark Ashton, Jacob Abernethy, Fatemeh Afghah, Matthew Browning, David Coyle, Philip Dames, Tom O’Halloran, James Hays, Patrick Heisl, Chenfanfu Jiang, Puskar Khanal, Venkat Narayan Krovi, Sara Kuebbing, Nianyi Li, JingJing Liang, Ninghao Liu, Steve McNulty, Christopher M. Oswalt, Neil Pederson, Demetri Terzopoulos, Christopher Woodall, Yongkai Wu, Jian Yang, Yin Yang, Liang Zhao. 2024. Artificial Intelligence for Climate Smart Forestry: A Forward Looking Vision
• Thomas Brandeis, Andy Hartsell, KaDonna Randolph, William Preston Durham, Christopher M. Oswalt. 2024. Virginia's Forests, 2021
• Elizabeth LaRue, Jonathan Knott, Grant M. Domke, Han YH Chen, Qinfeng Guo, Masumi Hisano, Christopher M. Oswalt, Sonja Oswalt, Nicole Kong, Kevin M. Potter, Songlin Fei. 2023. Structural diversity as a reliable and novel predictor for ecosystem productivity
• Margaret Woodbridge, Tara L. Keyser, Christopher M. Oswalt. 2022. Stand and environmental conditions drive functional shifts associated with mesophication in eastern US forests
• David M. Bell, Barry T. (Ty) Wilson, Charles E. Werstak, Christopher M. Oswalt, Charles H. (Hobie) Perry. 2022. Examining k-nearest neighbor small area estimation across scales using national forest inventory data
• Christopher M. Oswalt, Thomas Brandeis, Sonja Oswalt. 2022. Kentucky's forests, 2014 (with updates for 2016)
• Christopher M. Oswalt, Thomas Brandeis, Sonja Oswalt. 2022. Tennessee's forests, 2014 (with updates for 2016)
• Christopher M. Oswalt, Alycia Crall, Robert Rabaglia, Sonja Oswalt, Michael K. Schwartz, Becky K. Kerns. 2021. Inventory and Monitoring of Invasive Species
• Christopher M. Oswalt, Jim M. Guldin. 2021. Status of longleaf pine in the South: an FIA update
• Christopher M. Oswalt. 2019. The place of oak trees in forests of the United States—a brief summary of forest inventory data
• Songlin Fei, Randall Morin, Christopher M. Oswalt, Andrew M. Liebhold. 2019. Biomass losses resulting from insect and disease invasions in US forests
• Jo Insu, Songlin Fei, Christopher M. Oswalt, Grant M. Domke, Richard P. Phillips. 2019. Shifts in dominant tree mycorrhizal associations in response to anthropogenic impacts
• Songlin Fei, Insu Jo, Qinfeng Guo, David A. Wardle, Jingyun Fang, Anping Chen, Christopher M. Oswalt, Eckehard G. Brockerhoff. 2018. Impacts of climate on the  biodiversity-productivity relationship in natural forests
• Basil V Iannone III, Kevin M. Potter, Qinfeng Guo, Christopher M. Oswalt, Insu Jo, Songlin Fei. 2018. Environmental harshness drives spatial heterogeneity in biotic resistance
• Kurt Riitters, Kevin M. Potter, Basil Iannone, Christopher M. Oswalt, Qinfeng Guo, Songlin Fei. 2018. Exposure of protected and unprotected forest to plant invasions in the eastern United States
• Songlin Fei, Insu Jo, Qinfeng Guo, David A. Wardle, Jingyun Fang, Anping Chen, Christopher M. Oswalt, Eckehard G. Brockerhoff. 2018. Impacts of climate on the biodiversity-productivity relationship in natural forests
• Thomas Brandeis, Andy Hartsell, KaDonna Randolph, Christopher M. Oswalt. 2018. Virginia’s forests, 2016
• Thomas Brandeis, Andy Hartsell, KaDonna Randolph, Christopher M. Oswalt. 2018. Forests of Virginia, 2016
• Kurt Riitters, Kevin M. Potter, Basil V. Iannone, Christopher M. Oswalt, Songlin Fei, Qinfeng Guo. 2017. Landscape correlates of forest plant invasions: A high-resolution analysis across the eastern United States
• Songlin Fei, Johanna M. Desprez, Kevin M. Potter, Insu Jo, Jonathan Knott, Christopher M. Oswalt. 2017. Divergence of species responses to climate change
• Thomas Brandeis, Stan Zarnoch, Christopher M. Oswalt, Jeffery Stringer. 2017. The lack of adequate quality assurance/quality control data hinders the assessment of potential forest degradation in a national forest inventory
• Qinfeng Guo, Basil V. Iannone III, Gabriela C. Nunez-Mir, Kevin M. Potter, Christopher M. Oswalt, Songlin Fei. 2017. Species pool, human population, and global versus regional invasion patterns
• Christopher M. Oswalt. 2017. Forests of Kentucky, 2013
• Matthew B. Russell, Christopher W. W. Woodall, Kevin M. Potter, Brian F. Walters, Grant M. Domke, Christopher M. Oswalt. 2017. Interactions between white-tailed deer density and the composition of forest understories in the northern United States
• Basil V. Iannone III, Kevin M. Potter, Kelly-Ann Dixon Hamil, Whitney Huang, Hao Zhang, Qinfeng Guo, Christopher M. Oswalt, Christopher W. W. Woodall, Songlin Fei. 2016. Evidence of biotic resistance to invasions in forests of the Eastern USA
• Kevin M. Potter, Frank H. H. Koch, Christopher M. Oswalt, Basil V. Iannone. 2016. Data, data everywhere: detecting spatial patterns in fine-scale ecological information collected across a continent
• Christopher M. Oswalt, Songlin Fei, Qinfeng Guo, Basil V. Iannone III, Sonja Oswalt, Bryan C. Pijanowski, Kevin M. Potter. 2016. Corrigendum: A subcontinental view of forest plant invasions
• Christopher M. Oswalt, Sonja Oswalt, Jason Meade. 2016. Species composition and succession in yellow pine stands following southern pine beetle outbreaks in Tennessee-preliminary results
• Callie Schweitzer, W.K. Clatterbuck, Christopher M. Oswalt. 2016. Proceedings of the 18th biennial southern silvicultural research conference
• Christopher M. Oswalt. 2016. Forests of Tennessee, 2013
• Christopher M. Oswalt, Ted Ridley. 2015. Utilizing online technology to increase the data reach of the forest inventory and analysis program; examples from the Southern United States
• Songlin Fei, Basil V. Iannone III, Christopher M. Oswalt, Qinfeng Guo, Kevin M. Potter, Sonja Oswalt, Bryan C. Pijanowski, Gabriela C. Nunez-Mir. 2015. Understanding macroscale invasion patterns and processes with FIA data
• Kevin M. Potter, Christopher W. W. Woodall, Christopher M. Oswalt, Basil V. III Iannone, Songlin Fei. 2015. When does biodiversity matter? Assessing ecosystem services across broad regions using forest inventory and analysis data
• Thomas Brandeis, Christopher M. Oswalt, Jeffery Stringer, Stan Zarnoch. 2015. Are observed trends in hardwood tree grade due to resource changes or data anomalies?
• Basil V. Iannone III, Kevin M. Potter, Qinfeng Guo, Andrew M. Liebhold, Bryan C. Pijanowski, Christopher M. Oswalt, Songlin Fei. 2015. Biological invasion hotspots: a trait-based perspective reveals new sub-continental patterns
• Qinfeng Guo, Songlin Fei, Jeffrey S. Dukes, Christopher M. Oswalt, Basil V. Iannone III, Kevin M. Potter. 2015. A unified approach for quantifying invasibility and degree of invasion
• Benjamin L. Reichert, Sharon R. Jean-Philippe, Christopher M. Oswalt, Jennifer Franklin, Mark Radosevich. 2015. Woody vegetation and soil characteristics of residential forest patches and open spaces along an urban-to-rural gradient
• Basil V. Iannone, Christopher M. Oswalt, Andrew M. Liebhold, Qinfeng Guo, Kevin M. Potter, Gabriela C. Nunez-Mir, Sonja Oswalt, Bryan C. Pijanowski, Songlin Fei, Bethany Bradley. 2015. Region-specific patterns and drivers of macroscale forest plant invasions
• Christopher M. Oswalt, Songlin Fei, Qinfeng Guo, Basil V. Iannone III, Sonja Oswalt, Bryan C. Pijanowski, Kevin M. Potter. 2015. A subcontinental view of forest plant invasions
• Christopher M. Oswalt. 2015. Forests of Kentucky, 2012
• Christopher M. Oswalt, Consuelo Brandeis, Jason Cooper, Sonja Oswalt, KaDonna Randolph. 2015. Kentucky’s forests, 2009
• Christopher M. Oswalt, Christopher W. W. Woodall, Horace Brooks. 2015. Is the footprint of longleaf pine in the Southeastern United States still shrinking?
• Christopher M. Oswalt, C.R. King. 2014. Forests of Tennessee, 2012
• Johanna Desprez, Basil V. Iannone III, Peilin Yang, Christopher M. Oswalt, Songlin Fei. 2014. Northward migration under a changing climate: a case study of blackgum (Nyssa Sylvatica)
• Justin L. Hart, Christopher M. Oswalt, Craig M. Turberville. 2014. Population dynamics of sugar maple through the southern portion of its range: implications for range migration
• Sonja Oswalt, Christopher M. Oswalt. 2014. Invasive plants found in Oklahoma’s forests, 2010 - forest inventory and analysis factsheet
• Sonja Oswalt, Christopher M. Oswalt. 2014. Invasive plants found in Georgia’s forests, 2010 - forest inventory and analysis factsheet
• James Bentley, Consuelo Brandeis, Jason Cooper, Christopher M. Oswalt, Sonja Oswalt, KaDonna Randolph. 2014. Texas' forests, 2008
• Christopher M. Oswalt, Sonja Oswalt. 2014. Invasive plants found in North Carolina’s forests, 2010—forest inventory and analysis factsheet
• Christopher M. Oswalt, Sonja Oswalt. 2013. Chapter 8: Invasive Plants on Forest Land in the United States
• Christopher M. Oswalt, Sonja Oswalt. 2013. Invasive plants found in Virginia forests, 2010 - forest inventory and analysis factsheet
• Grant M. Domke, Christopher M. Oswalt, Christopher W. W. Woodall, Jeffery Turner. 2013. Estimation of merchantable bole volume and biomass above sawlog top in the National Forest inventory of the United States
• KaDonna Randolph, Anita K. Rose, Christopher M. Oswalt, Mark Brown. 2013. Status of black walnut (Juglans nigra L.) in the Eastern United States in light of the discovery of thousand cankers disease
• Christopher W. W. Woodall, Grant M. Domke, Karin Riley, Christopher M. Oswalt, Susan Crocker, Gary W. Yohe. 2013. A framework for assessing global change risks to forest carbon stocks in the United States
• Christopher W. W. Woodall, Karen Waddell, Christopher M. Oswalt, James Smith. 2013. Standing dead tree resources in forests of the United States
• Christopher M. Oswalt. 2013. Kentucky, 2011-forest inventory and analysis factsheet
• Christopher M. Oswalt. 2013. Tennessee, 2011-forest inventory and analysis factsheet
• Christopher W. W. Woodall, K. Zhu, Jim Westfall, Christopher M. Oswalt, A.W. D'Amato, B.F. Walters, H.E. Lintz. 2013. Assessing the stability of tree ranges and influence of disturbance in eastern US forests
• Sonja Oswalt, Christopher M. Oswalt. 2012. The national picture of nonnative plants in the United States according to FIA data
• Christopher M. Oswalt, Sonja Oswalt, Lewis Zimmerman. 2012. Updating the southern nonnative plant watch list: the future of NNIP Monitoring in the south
• Christopher M. Oswalt, Jason Cooper, Dale Brockway, Horace Brooks, Joan L. Walker, Kris Connor, Sonja Oswalt, Roger Conner. 2012. History and current condition of longleaf pine in the Southern United States
• Christopher M. Oswalt, Sonja Oswalt, Tony Johnson, Consuelo Brandeis, KaDonna Randolph, Christopher R. King. 2012. Tennessee’s forests, 2009
• Christopher M. Oswalt, Sonja Oswalt. 2012. Invasive plants found in South Carolina forests, 2010 forest inventory and analysis factsheet
• Sonja Oswalt, Christopher M. Oswalt. 2012. Invasive plants found in Louisiana’s forests, 2009 forest inventory and analysis factsheet
• Christopher M. Oswalt, Andy Hartsell. 2012. Long and short term changes in the forests of the Cumberland Plateau and Mountains using large scale forest inventory data
• Christopher M. Oswalt. 2012. Kentucky, 2010—forest inventory and analysis factsheet
• William McWilliams, Carol L. Alerich, William Bechtold, Mark H. Hansen, Christopher M. Oswalt, Mike T. T. Thompson, Jeffery Turner. 2012. Algorithmic decision rules for estimating growth, removals, and mortality within a national-scale forest inventory (USA)
• Christopher M. Oswalt, Sonja Oswalt, W. Keith Moser. 2012. Potential impacts of year-round sampling on monitoring presence- absence of invasive flora in the southern United States
• Christopher M. Oswalt. 2012. Tennessee, 2010 forest inventory and analysis factsheet
• Christopher M. Oswalt, Sonja Oswalt, Christopher W. W. Woodall. 2012. An Assessment of Flowering Dogwood (Cornus florida L.) Decline in the Eastern United States
• David J. Nowak, Anne B. Cumming, Daniel Twardus, Robert Hoehn, Christopher M. Oswalt, Thomas Brandeis. 2012. Urban forests of Tennessee, 2009
• Christopher M. Oswalt, Sonja Oswalt. 2012. Invasive plants found in Kentucky forests, 2009 forest inventory and analysis factsheet
• Christopher W. W. Woodall, Grant M. Domke, David W. MacFarlane, Christopher M. Oswalt. 2012. Comparing field- and model-based standing dead tree carbon stock estimates across forests of the US
• Christopher M. Oswalt, Sonja Oswalt. 2012. Invasive plants found in Alabama forests, 2009 forest inventory and analysis factsheet
• Sonja Oswalt, Christopher M. Oswalt. 2011. Invasive plants found in Mississippi forests, 2009 forest inventory and analysis factsheet
• Sonja Oswalt, Christopher M. Oswalt. 2011. Invasive plants found in east Texas forests, 2009 forest inventory and analysis factsheet
• Christopher M. Oswalt, Roger Conner. 2011. Southern Forest Inventory and Analysis volume equation user’s guide
• Christopher M. Oswalt, Wayne K. Clatterbuck. 2011. Growing high quality hardwoods: Plantation trials of mixed hardwood species in Tennessee
• Sonja Oswalt, Christopher M. Oswalt. 2011. The extent of selected nonnative invasive plants on southern forest lands
• Christopher M. Oswalt, Wayne K. Clatterbuck, Dave R. Larsen. 2011. A technique for predicting clear-wood production in hardwood stems: A model for evaluating hardwood plantation development and management
• Sonja Oswalt, Christopher M. Oswalt. 2011. Invasive plants found in Tennessee forests, 2009 forest inventory and analysis factsheet
• Christopher M. Oswalt, Christopher R. King, Tony Johnson. 2010. Kentucky, 2007 forest inventory and analysis factsheet
• Yuan Tan, Joseph Z. Fan, Christopher M. Oswalt. 2010. Impact of ecological and socioeconomic determinants on the spread of tallow tree in southern forest lands
• Christopher M. Oswalt, Sonja Oswalt. 2010. The facilitation and impacts of Microstegium vimineum colonization in an eastern hardwood forest
• Christopher M. Oswalt, Sonja Oswalt. 2010. Documentation of significant losses in Cornus florida L. populations throughout the Appalachian ecoregion
• Christopher M. Oswalt, Sonja Oswalt, Thomas Brandeis. 2010. Big trees in the southern forest inventory
• Christopher W. W. Woodall, Christopher M. Oswalt, Jim Westfall, Charles H. (Hobie) Perry, Mark D. D. Nelson, A.O. Finley. 2010. Selecting tree species for testing climate change migration hypotheses using forest inventory data
• Christopher W. W. Woodall, Christopher M. Oswalt, Jim Westfall, Charles H. (Hobie) Perry, Mark D. D. Nelson. 2009. Tree migration detection through comparisons of historic and current forest inventories
• Sonja Oswalt, Tony Johnson, John W. Coulston, Christopher M. Oswalt. 2009. Mississippi's forests, 2006
• Christopher M. Oswalt, Sonja Oswalt, Tony Johnson, James L. Chamberlain, KaDonna Randolph, John W. Coulston. 2009. Tennessee's Forests, 2004
• Christopher M. Oswalt, Jeffery Turner. 2009. Status of hardwood forest resources in the Appalachian region including estimates of growth and removals
• Sonja Oswalt, Christopher M. Oswalt, Jeffery Turner. 2008. Hurricane Katrina impacts on Mississippi forests
• Sonja Oswalt, Christopher M. Oswalt. 2008. Relationships between common forest metrics and realized impacts of Hurricane Katrina on forest resources in Mississippi
• Jeffery Turner, Christopher M. Oswalt, James L. Chamberlain, Roger Conner, Tony Johnson, Sonja Oswalt, KaDonna Randolph. 2008. Kentucky's forests, 2004
• Christopher M. Oswalt. 2008. Tennessee's forest land area was stable 1999-2005 but early successional forest area declined
• Christopher M. Oswalt, Sonja Oswalt, Wayne K. Clatterbuck. 2007. Effects of Microstegium vimineum (Trin.) A. Camus on native woody species density and diversity in a productive mixed-hardwood forest in Tennessee
• Christopher M. Oswalt, Sonja Oswalt. 2007. Winter litter disturbance facilitates the spread of the nonnative invasive grass Microstegium vimineum (Trin.) A. Camus
• Nathan J. Sanders, Jake F. Weltzin, Gregory M. Crutsinger, Matthew C. Fitzpatrick, Martin A. Nunez, Christopher M. Oswalt, Kristin E. Lane. 2007. Insects mediate the effects of propagule supply and resource availability on a plant invasion
• Christopher M. Oswalt, Wayne K. Clatterbuck, E.C. Burkhardt. 2007. Predicting the cover-up of dead branches using a simple single regressor equation
• Christopher M. Oswalt, Wayne K. Clatterbuck, Allan E. Houston, Scott E. Schlarbaum. 2006. Implications of large oak seedlings on problematic deer herbivory
• Christopher M. Oswalt, Wayne K. Clatterbuck, Allan E. Houston. 2006. Impacts of deer herbivory and visual grading on the early performance of high-quality oak planting stock in Tennessee, USA
• Christopher M. Oswalt, Wayne K. Clatterbuck, Scott E. Scharbaum, Allan E. Houston. 2004. Growth and Development of Outplanted High-Quality Northern Red Oak Seedlings and the Effects of Competing Herbaceous Productions Within Four Overstory Treatments -- First-Year Results

Data and Tools

• Dataset
  

  Silvics of North America

  https://research.fs.usda.gov/products/dataandtools/silvics-north-america

Articles

• Article
  

  Forest facts at your fingertips

  https://research.fs.usda.gov/rmrs/articles/forest-facts-your-fingertips

• The University of Tennessee, Ph.D., Natural Resources, Silviculture, 2008
• The University of Tennessee, M.S., Forest Ecology, 2003
• The University of Tennessee, B.S., (Forest Resource Management, Minor: Statistics, 1999