About the Authors

Drew W. Purves

To whom correspondence should be addressed. E-mail: dpurves@microsoft.com

Affiliations Department of Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey, United States of America, External Research Office, Microsoft Research, Cambridge, United Kingdom

Jeremy W. Lichstein

Affiliation Department of Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey, United States of America

Stephen W. Pacala

Affiliation Department of Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SP DP JL. Performed the experiments: DP. Analyzed the data: DP JL. Contributed reagents/materials/analysis tools: JL. Wrote the paper: SP DP. Other: Contributed and analyzed height-dbh data: JL. Contributed to development of model and statistics: JL.