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- October 24, 2016.
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- 1Department of Anthropology, Pennsylvania State University
- 2Department of Earth Systems Science, Stanford University
- 3Woods Institute for the Environment, Stanford University
- 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