About the Authors
- Joe Roman
- Gund Institute for Ecological Economics, University of Vermont, Burlington, Vermont, United States of America
- James J. McCarthy
- Museum of Comparative Zoology, Harvard University, Cambridge, Massachusetts, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: JR JJM. Performed the experiments: JR. Analyzed the data: JR. Contributed reagents/materials/analysis tools: JJM. Wrote the paper: JR JJM.