Winter-to-summer seasonal migration of microlithic human activities on the Qinghai-Tibet Plateau.

Scientific Reports
Guangliang HouYuanhong He

Abstract

The Qinghai-Tibet Plateau (QTP) has become a valuable site for investigation of adaptive regimes of prehistoric humans to extreme environments. At present most studies have focused solely on a single site. Using a more integrated approach that covers the complete scope of the plateau is needed to better understand the expansion logic of prehistoric humans moving towards the plateau. Here, we conducted accelerator mass spectrometry 14C dating of two microlithic sites. Canxiongashuo (CXGS) and Shalongka (SLK), which are located at the inner and marginal areas of the QTP, respectively. By using geographic information system, literature, and natural environmental factors, we constructed a model for the relationship between traveling distance and time, and we also used these factors to construct a plateau environmental index. The results indicated that the ages of the CXGS and SLK sites are 8.4-7.5 cal. ka BP and 8.4-6.2 cal. ka BP, respectively. Combining the archaeological evidence and literature, hunter-gatherers may have seasonal migration activities at low altitude in winter and high altitude in summer in order to make full use of natural resources. Our model of relationship between traveling distance and time shows that hunter...Continue Reading

References

Sep 19, 2006·High Altitude Medicine & Biology·Tianyi Wu, Bengt Kayser
Dec 4, 2009·Proceedings of the National Academy of Sciences of the United States of America·Mian ZhaoYa-Ping Zhang
May 3, 2019·Nature·Fahu ChenJean-Jacques Hublin

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