About the Authors

Virginia J. Emery

vj.emery@berkeley.edu

Affiliation Department of Environmental Science, Policy and Management, University of California, Berkeley, California, United States of America

Neil D. Tsutsui

Affiliation Department of Environmental Science, Policy and Management, University of California, Berkeley, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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