About the Authors

Martin A. Nuñez

mnunez@utk.edu

Affiliations Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville, Tennessee, United States of America, Laboratorio Ecotono, INIBIOMA, CONICET-Universidad Nacional del Comahue, Bariloche, Río Negro, Argentina

Jeremy Hayward

Affiliation Department of Environmental and Forest Biology, State University of New York - College of Environmental Science and Forestry, Syracuse, New York, United States of America

Thomas R. Horton

Affiliation Department of Environmental and Forest Biology, State University of New York - College of Environmental Science and Forestry, Syracuse, New York, United States of America

Guillermo C. Amico

Affiliation Laboratorio Ecotono, INIBIOMA, CONICET-Universidad Nacional del Comahue, Bariloche, Río Negro, Argentina

Romina D. Dimarco

Affiliation Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville, Tennessee, United States of America

M. Noelia Barrios-Garcia

Affiliation Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville, Tennessee, United States of America

Daniel Simberloff

Affiliation Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville, Tennessee, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MN TH DS. Performed the experiments: MN RD MBG GA. Analyzed the data: MN JH TH. Contributed reagents/materials/analysis tools: JH MN TH. Wrote the paper: MN JH RD MBG GA.