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Evolution of the relative abundance of C-4 plants on the Chinese Loess Plateau since the Last Glacial Maximum and its implications

文献类型：期刊论文

作者Jiang, Wenqi1,3; Wu, Jianyu1; Wu, Haibin1,2,3; Li, Qin1,4; Lin, Yating1,3; Yu, Yanyan1,2
刊名JOURNAL OF QUATERNARY SCIENCE
出版日期2019-02-01
卷号34期号:2页码:101-111
关键词BIOME4 C-3/C-4 plants Chinese Loess Plateau organic carbon isotope temperature
ISSN号0267-8179
DOI10.1002/jqs.3084
英文摘要Understanding the distribution of C-3 and C-4 plants and its forcing mechanisms since the Last Glacial Maximum (LGM) is important for anticipating their possible response to future climate change. The spatiotemporal pattern of C-4 plant abundance on the Chinese Loess Plateau (CLP) is complex and the dominant causal factors are contentious. Here, we use delta C-13 records of organic matter in paleosols from the CLP to reconstruct changes in the representation of C-4 plants since the LGM. The results indicate that the relative abundance of C-4 plants increased after the LGM, reaching a maximum during 10-6 ka bp, and then decreased. Spatially, the representation of C-4 plants was characterized by increasing values from north-west to south-east. In addition, the smallest spatial difference (similar to 10%) in the representation of C-4 plants between the north-west and south-east parts of the CLP was during the LGM, and the largest difference (similar to 30%) was during the early Holocene. We combined our findings with output from the BIOME4 model to study the sensitivity of C-4 plants to changes in climate and atmospheric CO2 concentration. The results suggest that increasing temperature was the dominant factor driving C-4 plant expansion on the CLP since the LGM.
WOS关键词CARBON-ISOTOPE DISCRIMINATION ; ASIAN SUMMER MONSOON ; BULK ORGANIC-MATTER ; TEMPORAL VARIATIONS ; RAINFALL GRADIENT ; C-13/C-12 RATIOS ; ATMOSPHERIC CO2 ; GRAIN-SIZE ; EAST-ASIA ; PRECIPITATION
资助项目National Basic Research Program of China[2016YFA0600504] ; National Natural Science Foundation of China[41572165] ; National Natural Science Foundation of China[41430531] ; National Natural Science Foundation of China[41690114] ; National Natural Science Foundation of China[41125011] ; National Natural Science Foundation of China[41502177] ; Bairen Programs of the Chinese Academy of Sciences
WOS研究方向Physical Geography ; Geology
语种英语
WOS记录号WOS:000458953000002
出版者WILEY
资助机构National Basic Research Program of China ; National Basic Research Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Bairen Programs of the Chinese Academy of Sciences ; Bairen Programs of the Chinese Academy of Sciences ; National Basic Research Program of China ; National Basic Research Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Bairen Programs of the Chinese Academy of Sciences ; Bairen Programs of the Chinese Academy of Sciences ; National Basic Research Program of China ; National Basic Research Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Bairen Programs of the Chinese Academy of Sciences ; Bairen Programs of the Chinese Academy of Sciences ; National Basic Research Program of China ; National Basic Research Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Bairen Programs of the Chinese Academy of Sciences ; Bairen Programs of the Chinese Academy of Sciences
源URL[http://ir.iggcas.ac.cn/handle/132A11/90694]  
专题地质与地球物理研究所_中国科学院新生代地质与环境重点实验室
通讯作者Wu, Haibin
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing, Peoples R China
2.CAS Ctr Excellence Life & Paleoenvironm, Beijing, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
4.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Jiang, Wenqi,Wu, Jianyu,Wu, Haibin,et al. Evolution of the relative abundance of C-4 plants on the Chinese Loess Plateau since the Last Glacial Maximum and its implications[J]. JOURNAL OF QUATERNARY SCIENCE,2019,34(2):101-111.
APA Jiang, Wenqi,Wu, Jianyu,Wu, Haibin,Li, Qin,Lin, Yating,&Yu, Yanyan.(2019).Evolution of the relative abundance of C-4 plants on the Chinese Loess Plateau since the Last Glacial Maximum and its implications.JOURNAL OF QUATERNARY SCIENCE,34(2),101-111.
MLA Jiang, Wenqi,et al."Evolution of the relative abundance of C-4 plants on the Chinese Loess Plateau since the Last Glacial Maximum and its implications".JOURNAL OF QUATERNARY SCIENCE 34.2(2019):101-111.

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来源：地质与地球物理研究所

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