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The genesis and paleoenvironmental records of Longji agricultural terraces, southern China: A pilot study of human-environment interaction
Yongjian Jiang; Shijie Li; Desuo Cai; Wei Chen; Yan Liu; Zi Yu
通讯作者Shijie Li
2014
发表期刊Quaternary International
卷号321期号:1页码:12-21
摘要

Ancient agricultural terraces distributed over the mountainous areas in southern China can be taken as new objects for studies on human-environment interaction in the past. However, this type of study is rare. This study selected Longji Terraces (Longsheng, Guilin), one of the famous ancient agricultural terraces, to explore its genesis and paleoenvironmental records. Three soil profiles including an original hillslope woodland soil profile and two terrace profiles were sampled for analyses of physical and geochemical proxies and radiocarbon dating. Cultivated soil in the terrace profile shows aggradation, making the cultivated horizon a bottom-up chronological sedimentary sequence. Two basal samples in the cultivated horizons of two parallel terrace profiles show calibrated ages of 1361-1406 AD and 1335-1384 AD respectively, indicating that the genesis of Longji Terraces occurred during the late Yuan Dynasty in Chinese history. Strong survival pressure and desire for new living space in the turbulent social situation of the late Yuan Dynasty might have been the direct factor forcing some people of national minorities to migrate to the Longji Mountain area, where they effectively utilized the hillslope land and water resources for cultivation by building agricultural terraces and constructing a gravity irrigation network. Multi-proxy analyses of the cultivated horizon of one selected terrace profile reveal that human farming activity has experienced a staged strengthening process, including four stages since the late 14th century. Moreover, some changes of the intensity of human farming activity found within each stage might reflect the impact of climatic fluctuations on human farming activity during the Little Ice Age and the later warming period.

学科领域环境地球化学
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.gyig.ac.cn/handle/352002/5198
专题环境地球化学国家重点实验室_环境地球化学国家重点实验室_期刊论文
通讯作者Shijie Li
推荐引用方式
GB/T 7714
Yongjian Jiang,Shijie Li,Desuo Cai,et al. The genesis and paleoenvironmental records of Longji agricultural terraces, southern China: A pilot study of human-environment interaction[J]. Quaternary International,2014,321(1):12-21.
APA Yongjian Jiang,Shijie Li,Desuo Cai,Wei Chen,Yan Liu,&Zi Yu.(2014).The genesis and paleoenvironmental records of Longji agricultural terraces, southern China: A pilot study of human-environment interaction.Quaternary International,321(1),12-21.
MLA Yongjian Jiang,et al."The genesis and paleoenvironmental records of Longji agricultural terraces, southern China: A pilot study of human-environment interaction".Quaternary International 321.1(2014):12-21.
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