About the Authors

Christopher P. Kempes

ckempes@mit.edu

Affiliations Department of Earth Atmosphere and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America, The Santa Fe Institute, Santa Fe, New Mexico, United States of America

Geoffrey B. West

Affiliation The Santa Fe Institute, Santa Fe, New Mexico, United States of America

Kelly Crowell

Affiliation Portage, Los Alamos, New Mexico, United States of America

Michelle Girvan

Affiliations The Santa Fe Institute, Santa Fe, New Mexico, United States of America, Department of Physics and the Institute for Physical Science and Technology, University of Maryland, College Park, Maryland, United States of America, Institute for Advanced Study, Princeton, New Jersey, United States of America

Competing Interests

The authors have declared that no competing interests exist. Although KC is currently employed by Portage, Inc., to the authors' knowledge, Portage does not have any current or planned patents, products, nor consultancy related to the tree-scaling-based ecological models developed in this paper, nor does this affiliation alter the authors' adherence to all the PLoS ONE policies on sharing data and materials. This research was conducted independent of Portage, which had no direct involvement other than providing access to a company ArcInfo license and serves as Kelly Crowell's current employer and affiliation.

Author Contributions

Conceived and designed the experiments: CPK MG GBW. Performed the experiments: CPK MG GBW KC. Analyzed the data: CPK KC. Contributed reagents/materials/analysis tools: CPK MG KC GBW. Wrote the paper: CPK MG GBW.