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Impact of pre-Columbian “geoglyph” builders on Amazonian forests
Over 450 pre-Columbian (pre-AD 1492) geometric ditched enclosures (“geoglyphs”) occupy ∼13,000 km(2) of Acre state, Brazil, representing a key discovery of Amazonian archaeology. These huge earthworks were concealed for centuries under terra firme (upland interfluvial) rainforest, directly challengi...
Shranjeno v:
| izdano v: | Proc Natl Acad Sci U S A |
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| Main Authors: | , , , , , , , , , |
| Format: | Artigo |
| Jezik: | Inglês |
| Izdano: |
National Academy of Sciences
2017
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| Teme: | |
| Online dostop: | https://ncbi.nlm.nih.gov/pmc/articles/PMC5338430/ https://ncbi.nlm.nih.gov/pubmed/28167791 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.1614359114 |
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