Neolithic Rice Cultivation and Consequent Landscape Changes at the Baodun Site, Southwestern China

Identifying when agricultural expansion has occurred and how it altered the landscape is critical for understanding human social survival strategies as well as current ecological diversity. In the present study, phytolith records of three profiles from the Baodun site area were dated to the period f...

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Autores principales: Jianping Zhang, Ying Lv, Lupeng Yu, Miao Tang, Ming Huang, Konglan Shao, Xiujia Huan, Changhui Wen, Yajie Dong, Ming Jiang, Kunyu He, Xue Yan, Maolin Ye, Naiqin Wu, Houyuan Lu
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Publicado: Frontiers Media S.A. 2021
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Acceso en línea:https://doaj.org/article/09343e398bda4ff6865e1bc23688f0c1
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spelling oai:doaj.org-article:09343e398bda4ff6865e1bc23688f0c12021-12-01T19:14:49ZNeolithic Rice Cultivation and Consequent Landscape Changes at the Baodun Site, Southwestern China2296-646310.3389/feart.2021.807626https://doaj.org/article/09343e398bda4ff6865e1bc23688f0c12021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/feart.2021.807626/fullhttps://doaj.org/toc/2296-6463Identifying when agricultural expansion has occurred and how it altered the landscape is critical for understanding human social survival strategies as well as current ecological diversity. In the present study, phytolith records of three profiles from the Baodun site area were dated to the period from 7,500 to 2,500 aBP by optically stimulated luminescence and 14C dating, providing the first evidence that the Asian cultivated rice (Oryza sativa) progenitor was distributed in the Chengdu Plain as early as 7,500 aBP. The percentage of rice bulliform with ≥9 scales and the concentration of rice phytoliths sharply increased by approximately 4,200 aBP, suggesting that rice cultivation occupied a dominant position in survival strategy no later than approximately 4,200 aBP, which might be driven by climate deterioration in eastern China. The results further showed that the proportion of Bambusoideae phytoliths increased synchronously with the increase in the proportion of rice phytoliths, suggesting that the vegetation structure near the site was changed intentionally as a consequence of increasing rice agricultural activity since 4,200 aBP. The present study contributes to a deeper understanding of the distribution of wild rice and rice farming throughout the Baodun culture in the Chengdu Plain, and it also provides a glimpse of how humans intentionally changed the vegetation landscape on a local scale.Jianping ZhangJianping ZhangYing LvLupeng YuMiao TangMing HuangKonglan ShaoXiujia HuanChanghui WenYajie DongMing JiangKunyu HeXue YanMaolin YeMaolin YeNaiqin WuHouyuan LuHouyuan LuHouyuan LuFrontiers Media S.A.articlephytolithagricultureOryza sativadomesticationbambusoideaevegetationScienceQENFrontiers in Earth Science, Vol 9 (2021)
institution DOAJ
collection DOAJ
language EN
topic phytolith
agriculture
Oryza sativa
domestication
bambusoideae
vegetation
Science
Q
spellingShingle phytolith
agriculture
Oryza sativa
domestication
bambusoideae
vegetation
Science
Q
Jianping Zhang
Jianping Zhang
Ying Lv
Lupeng Yu
Miao Tang
Ming Huang
Konglan Shao
Xiujia Huan
Changhui Wen
Yajie Dong
Ming Jiang
Kunyu He
Xue Yan
Maolin Ye
Maolin Ye
Naiqin Wu
Houyuan Lu
Houyuan Lu
Houyuan Lu
Neolithic Rice Cultivation and Consequent Landscape Changes at the Baodun Site, Southwestern China
description Identifying when agricultural expansion has occurred and how it altered the landscape is critical for understanding human social survival strategies as well as current ecological diversity. In the present study, phytolith records of three profiles from the Baodun site area were dated to the period from 7,500 to 2,500 aBP by optically stimulated luminescence and 14C dating, providing the first evidence that the Asian cultivated rice (Oryza sativa) progenitor was distributed in the Chengdu Plain as early as 7,500 aBP. The percentage of rice bulliform with ≥9 scales and the concentration of rice phytoliths sharply increased by approximately 4,200 aBP, suggesting that rice cultivation occupied a dominant position in survival strategy no later than approximately 4,200 aBP, which might be driven by climate deterioration in eastern China. The results further showed that the proportion of Bambusoideae phytoliths increased synchronously with the increase in the proportion of rice phytoliths, suggesting that the vegetation structure near the site was changed intentionally as a consequence of increasing rice agricultural activity since 4,200 aBP. The present study contributes to a deeper understanding of the distribution of wild rice and rice farming throughout the Baodun culture in the Chengdu Plain, and it also provides a glimpse of how humans intentionally changed the vegetation landscape on a local scale.
format article
author Jianping Zhang
Jianping Zhang
Ying Lv
Lupeng Yu
Miao Tang
Ming Huang
Konglan Shao
Xiujia Huan
Changhui Wen
Yajie Dong
Ming Jiang
Kunyu He
Xue Yan
Maolin Ye
Maolin Ye
Naiqin Wu
Houyuan Lu
Houyuan Lu
Houyuan Lu
author_facet Jianping Zhang
Jianping Zhang
Ying Lv
Lupeng Yu
Miao Tang
Ming Huang
Konglan Shao
Xiujia Huan
Changhui Wen
Yajie Dong
Ming Jiang
Kunyu He
Xue Yan
Maolin Ye
Maolin Ye
Naiqin Wu
Houyuan Lu
Houyuan Lu
Houyuan Lu
author_sort Jianping Zhang
title Neolithic Rice Cultivation and Consequent Landscape Changes at the Baodun Site, Southwestern China
title_short Neolithic Rice Cultivation and Consequent Landscape Changes at the Baodun Site, Southwestern China
title_full Neolithic Rice Cultivation and Consequent Landscape Changes at the Baodun Site, Southwestern China
title_fullStr Neolithic Rice Cultivation and Consequent Landscape Changes at the Baodun Site, Southwestern China
title_full_unstemmed Neolithic Rice Cultivation and Consequent Landscape Changes at the Baodun Site, Southwestern China
title_sort neolithic rice cultivation and consequent landscape changes at the baodun site, southwestern china
publisher Frontiers Media S.A.
publishDate 2021
url https://doaj.org/article/09343e398bda4ff6865e1bc23688f0c1
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