About the Authors

Lele Ren

Affiliation MOE Key Laboratory of Western China's Environmental System, College of Earth Environmental Sciences, Lanzhou University, Lanzhou, Gansu Province, China

Xin Li

Affiliation School of Public Health, Lanzhou University, Lanzhou, Gansu Province, China

Lihong Kang

Affiliation Yunnan Provincial Institute of Cultural Relics and Archaeology, Kunming, China

Katherine Brunson

Affiliation Joukowsky Institute for Archaeology and the Ancient World, Brown University, Providence, Rhode Island, United States of America

Honggao Liu

Affiliations MOE Key Laboratory of Western China's Environmental System, College of Earth Environmental Sciences, Lanzhou University, Lanzhou, Gansu Province, China, College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming, China

Weimiao Dong

Affiliation Department of Cultural Heritage and Museology, Fudan University, Shanghai, China

Haiming Li

Affiliation MOE Key Laboratory of Western China's Environmental System, College of Earth Environmental Sciences, Lanzhou University, Lanzhou, Gansu Province, China

Rui Min

Affiliation Yunnan Provincial Institute of Cultural Relics and Archaeology, Kunming, China

Xu Liu

Affiliation Yunnan Provincial Institute of Cultural Relics and Archaeology, Kunming, China

Guanghui Dong

ghdong@lzu.edu.cn

Affiliation MOE Key Laboratory of Western China's Environmental System, College of Earth Environmental Sciences, Lanzhou University, Lanzhou, Gansu Province, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Formal analysis: LLR WMD GHD. Funding acquisition: LLR GHD. Investigation: LLR X Li LHK HGL HML RM X Liu. Methodology: LLR X Li WMD GHD. Project administration: GHD. Resources: LHK RM X Liu. Software: LLR WMD. Supervision: GHD. Visualization: GHD. Writing – original draft: LLR WMD GHD. Writing – review & editing: LLR GHD KB.