About the Authors

Gary R. Hepp

heppgar@auburn.edu

Affiliation School of Forestry and Wildlife Sciences, Auburn University, Auburn, Alabama, United States of America

Robert A. Kennamer

Affiliation Savannah River Ecology Laboratory, Aiken, South Carolina, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GRH. Performed the experiments: GRH RAK. Analyzed the data: GRH. Contributed reagents/materials/analysis tools: GRH RAK. Wrote the paper: GRH.