About the Authors

Robert I. McDonald


Affiliation Worldwide Office, The Nature Conservancy, Arlington, Virginia, United States of America

Richard T. T. Forman

Affiliation Graduate School of Design, Harvard University, Cambridge, Massachusetts, United States of America

Peter Kareiva

Affiliation Seattle Office, The Nature Conservancy, Seattle, Washington, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RIM RTTF PK. Analyzed the data: RIM. Wrote the paper: RIM RTTF PK. Conducted the statistical analysis and wrote the paper with help from the other authors: RIM. Helped select appropriate metrics for the analysis: RTTF. Helped obtain and analyze the data on conservation funding: PK.