>In combination with linguistic and archaeological evidence, the study shows that Wallacean societies were transformed by the spread of genes and languages from West Papua in the past 3,500 years—the same period that Austronesian seafarers were actively mixing with Wallacean and Papuan groups.
>"My colleagues at the Indonesian Genome Diversity Project have been studying Indonesia's complex genetic structure for more than a decade, but this comprehensive study provides confirmation that Papuan ancestry is widespread across Wallacea, pointing to historical migrations from New Guinea," says lead author Dr. Gludhug Ariyo Purnomo, from the University of Adelaide's School of Biological Sciences.
>"By connecting the dots between genetics, linguistics, and archaeology, we now recognize West Papua as an important bio-cultural hub and the launching place of historical Papuan seafarers that now contribute up to 60% of modern Wallacean ancestry."

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Indonesian are mixed Asian-Abo