About the Authors

Xiaoyan Yang

yangxy@igsnrr.ac.cn (XY); hjb15@leicester.ac.uk (HB)

Affiliation Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China

Huw J. Barton

yangxy@igsnrr.ac.cn (XY); hjb15@leicester.ac.uk (HB)

Affiliation School of Archaeology and Ancient History, University of Leicester, Leicester, United Kingdom

Zhiwei Wan

Affiliations Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China, Graduate University of Chinese Academy of Sciences, Beijing, China

Quan Li

Affiliation Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China

Zhikun Ma

Affiliations Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China, Graduate University of Chinese Academy of Sciences, Beijing, China

Mingqi Li

Affiliation Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China

Dan Zhang

Affiliation Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China

Jun Wei

Affiliation Guangdong Provincial Museum, Guangzhou, China

Competing Interests

The authors have decared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XY HB JW. Performed the experiments: XY ZW QL. Analyzed the data: XY HB QL. Contributed reagents/materials/analysis tools: XY HB QL. Wrote the paper: XY HB. Collected the samples in fieldwork: XY HB QL ZW ZM ML DZ JW. Excavated the site: JW.