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History
- January 31, 2017.
Copyright
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license.
Author Information
- 1Department of Anthropology, Pennsylvania State University, Imperial College London
- 2Department of Earth Systems Science, Stanford University, Imperial College London
- 3Woods Institute for the Environment, Stanford University, Imperial College London
- 4Department of Life Sciences, Imperial College London
- ↵*Correspondence Address: Department of Anthropology, 409 Carpenter Building, University Park, PA 16802; phone: 814-865-2509, fax: 814-863-1474; email: mhp12{at}psu.edu