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Todd Hutchinson

Todd Hutchinson
Research Ecologist
Sustaining Forests in a Changing Environment
359 Main Road
Delaware, OH 43015
United States
Current Research
Long-term vegetation dynamics following thinning and repeated fires in mixed-oak forests.

Tree regeneration in shelterwood stands treated with herbicide and/or prescribed fire.

White oak (Quercus alba) seedling response to midstory removal via herbicide.

Herbaceous layer response to overstory mortality caused by Emerald Ash Borer.

Effectiveness of a native fungal wilt-causing pathogen (Verticillium nonalfalfae) as a biological control for the invasive tree Ailanthus altissima (Tree-of-Heaven).
Research Interest
Oak regeneration and sustaining mixed-oak forests

Fire ecology of oak woodlands and forests

Fire history of oak and oak-pine forest types

Understory plant composition and diversity in response to environmental gradients and disturbance.
  • Ohio State University, Ph.D., Ecology,
  • Miami University, M.S., Botany,
  • University of Louisville, B.A., Biology,
Professional Organizations
  • Ecological Society of America,  Current
  • Torrey Botanical Society,  Current
  • Society of American Foresters (SAF),  Current
Featured Publications
Other Publications
Research Highlights

Understanding Long-Term Impacts of an Invasive, Tree-Killing Pest

Year: 2019
The emerald ash borer has been killing ash trees in the United States for more than two decades. What does that mean for ash populations and the forest ecosystems? Long-term monitoring plot data collected by USDA Forest Service scientists and partners is helping to elucidate the impacts of this inva...

Insights from a 250-year history of fire in the Appalachian Plateau of Ohio and Kentucky

Year: 2017
In many eastern U.S. forests, undesirable shifts in tree species abundance are occurring. For oaks and pines, it is widely believed that the decreased frequency of fire over the last 75-100 years has played a major role in their decline.

Shift Toward Mesophytic Species in Oak Forests May Limit Fire Reintroduction

Year: 2016
Exclusion of fire from eastern mixed-oak forests is widely understood to be an important explanation for difficulty in regenerating oaks. Forest Service scientists studied whether the change in species composition of forest floor litter, as species composition shifts to more mesophytic and less fire...

The Devil is in the Details for Regeneration Success in Mixed-oak Forests

Year: 2015
To improve oak regeneration, Forest Service scientists are studying shelterwood harvest with herbicide and prescribed fire treatments. Although large oak seedlings have developed after the partial harvest, competition from non-oak saplings is intense even after herbicide treatment. The combined us...

Repeated Prescribed Fires Help Sustain Oak Regeneration in Eastern Forests

Year: 2012
Research findings can help managers in their quest to sustain this forest type throughout Eastern North America