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Impact of pre-Columbian "geoglyph" builders on Amazonian forests.
Watling J, Iriarte J, Mayle FE, Schaan D, Pessenda LC, Loader NJ, Street-Perrott FA, Dickau RE, Damasceno A, Ranzi A. Watling J, et al. Among authors: dickau re. Proc Natl Acad Sci U S A. 2017 Feb 21;114(8):1868-1873. doi: 10.1073/pnas.1614359114. Epub 2017 Feb 6. Proc Natl Acad Sci U S A. 2017. PMID: 28167791 Free PMC article.
Reply to Piperno et al.: It is too soon to argue for localized, short-term human impacts in interfluvial Amazonia.
Watling J, Iriarte J, Mayle FE, Schaan D, Pessenda LCR, Loader NJ, Street-Perrott FA, Dickau RE, Damasceno A, Ranzi A. Watling J, et al. Among authors: dickau re. Proc Natl Acad Sci U S A. 2017 May 23;114(21):E4120-E4121. doi: 10.1073/pnas.1705697114. Epub 2017 May 15. Proc Natl Acad Sci U S A. 2017. PMID: 28507155 Free PMC article. No abstract available.