ArticlePloS one2017
Earliest Human Presence in North America Dated to the Last Glacial Maximum: New Radiocarbon Dates from Bluefish Caves, Canada.
Article in PloS one, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.
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27 citing papers in PubMed.
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- New age constraints for human entry into the Americas on the north Pacific coast.Scientific reports · 2024Article
- Taguatagua 3: A new late Pleistocene settlement in a highly suitable lacustrine habitat in central Chile (34°S).PloS one · 2024Article
- Evidence of artefacts made of giant sloth bones in central Brazil around the last glacial maximum.Proceedings. Biological sciences · 2023Article
- Beringia and the peopling of the Western Hemisphere.Proceedings. Biological sciences · 2023Review
- Late Pleistocene shrub expansion preceded megafauna turnover and extinctions in eastern Beringia.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Collapse of the mammoth-steppe in central Yukon as revealed by ancient environmental DNA.Nature communications · 2021Article
- Deep classification of cut-marks on bones from Arroyo del Vizcaíno (Uruguay).Proceedings. Biological sciences · 2021Article
- Reevaluating the antiquity of the Palmrose site: Collections-based research of an early plank house on the northern Oregon Coast.PloS one · 2021Article
- The past and future human impact on mammalian diversity.Science advances · 2020Article
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- Changes in the vaginal microbiota across a gradient of urbanization.Scientific reports · 2020Article
- Controversial cave discoveries suggest humans reached Americas much earlier than thought.Nature · 2020Article
- Saving Old Bones: a non-destructive method for bone collagen prescreening.Scientific reports · 2019Article
- Article
- Paternal origin of Paleo-Indians in Siberia: insights from Y-chromosome sequences.European journal of human genetics : EJHG · 2018Article
- Current evidence allows multiple models for the peopling of the Americas.Science advances · 2018Review
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Abstract
The timing of the first entry of humans into North America is still hotly debated within the scientific community. Excavations conducted at Bluefish Caves (Yukon Territory) from 1977 to 1987 yielded a series of radiocarbon dates that led archaeologists to propose that the initial dispersal of human groups into Eastern Beringia (Alaska and the Yukon Territory) occurred during the Last Glacial Maximum (LGM). This hypothesis proved highly controversial in the absence of other sites of similar age and concerns about the stratigraphy and anthropogenic signature of the bone assemblages that yielded the dates. The weight of the available archaeological evidence suggests that the first peopling of North America occurred ca. 14,000 cal BP (calibrated years Before Present), i.e., well after the LGM. Here, we report new AMS radiocarbon dates obtained on cut-marked bone samples identified during a comprehensive taphonomic analysis of the Bluefish Caves fauna. Our results demonstrate that humans occupied the site as early as 24,000 cal BP (19,650 ± 130 14C BP). In addition to proving that Bluefish Caves is the oldest known archaeological site in North America, the results offer archaeological support for the "Beringian standstill hypothesis", which proposes that a genetically isolated human population persisted in Beringia during the LGM and dispersed from there to North and South America during the post-LGM period.
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