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	Barnyard grasses were processed with rice around 10000 years ago
	Yang X. Y.; Fuller, D. Q.; Huan, X. J.; Perry, L.; Li, Q.; Li, Z.; Zhang, J. P.; Ma, Z. K.; Zhuang, Y. J.; Jiang, L. P.
	2015
关键词	domesticated rice starch grains lower yangtze china origins agriculture millets region trait
英文摘要	Rice (Oryza sativa) is regarded as the only grass that was selected for cultivation and eventual domestication in the Yangtze basin of China. Although both macro-fossils and micro-fossils of rice have been recovered from the Early Neolithic site of Shangshan, dating to more than 10,000 years before present (BP), we report evidence of phytolith and starch microfossils taken from stone tools, both for grinding and cutting, and cultural layers, that indicating barnyard grass (Echinochloa spp.) was a major subsistence resource, alongside smaller quantities of acorn starches (Lithocarpus/Quercus sensu lato) and water chestnuts (Trapa). This evidence suggests that early managed wetland environments were initially harvested for multiple grain species including barnyard grasses as well as rice, and indicate that the emergence of rice as the favoured cultivated grass and ultimately the key domesticate of the Yangtze basin was a protracted process.
出处	Scientific Reports
卷	5
收录类别	SCI
语种	英语
ISSN号	2045-2322
内容类型	SCI/SSCI论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/38513]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Yang X. Y.,Fuller, D. Q.,Huan, X. J.,et al. Barnyard grasses were processed with rice around 10000 years ago. 2015.

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