instead of the Yayoi period. The “triple structure” model hypothesizes that immigrants from Northeastern Eurasia and East Eurasia came to Japan separately during the Yayoi and Kofun periods ...

Hokkaido Jomon cultures continued during the Yayoi period long after ... his research: the Social Sciences and Humanities Research Council of Canada, Earthwatch, the Japan Association for the ...

According to the widely accepted “dual structure ... to modern Japanese. Large-scale migrations from the continent date back to about 3,000 years ago during the Yayoi Period.