Bering Land Bridge (Beringia) habitation and ecology (c. 30,000–8,000 BP)

1. Bering Land Bridge begins latest emergence

   Jan 1, 33700 BCELabels: Bering Land, Sea-level reconstructions

   • PNAS PMC
   • NSF
   • NPS About

2. Beringia becomes a broad, cold lowland

   Jan 1, 30000 BCELabels: Beringia, Tundra lowland

   • Britannica
   • NPS Article
   • YBIC Beringia

3. Mammoth-steppe ecosystem dominates Beringia

   Jan 1, 26000 BCELabels: Mammoth steppe, Large herbivores

   • NPS Nature
   • NPS About
   • YBIC Beringia

4. Bluefish Caves show possible LGM-era human activity

   Jan 1, 22050 BCELabels: Bluefish Caves, Yukon site

   • PLOS One
   • Smithsonian

5. Last Glacial Maximum reaches peak conditions

   Jan 1, 20500 BCELabels: Last Glacial, Ice sheets

   • Britannica
   • NPS About

6. Beringian “standstill” idea links ecology to genetics

   Jan 1, 20000 BCELabels: Beringian standstill, Native American

   • PLOS One
   • NPS About
   • YBIC First People

7. Deglaciation begins reshaping Beringian environments

   Jan 1, 19000 BCELabels: Deglaciation, Climate warming

   • Britannica
   • NPS About

8. Land bridge shrinks as postglacial seas rise

   Jan 1, 12000 BCELabels: Postglacial flooding, Beringian inundation

   • Britannica
   • NPS About
   • NPS Bering

9. New tool traditions spread across eastern Beringia

   Jan 1, 11500 BCELabels: Denali complex, Microblade technology

   • ScienceDirect

10. Bering Strait opens, ending the land connection

    Jan 1, 10000 BCELabels: Bering Strait, Ocean gateway

    • Britannica
    • NPS Bering

11. Upward Sun River infants document late Beringian peoples

    Jan 1, 9550 BCELabels: Upward Sun, Ancient Beringian

    • NPR
    • Upward Sun

12. Beringia’s habitats transition into early Holocene ecosystems

    Jan 1, 6000 BCELabels: Early Holocene, Ecosystem transition

    • NPS About
    • Britannica
    • NPS Nature