IGGCAS OpenIR  > 新生代地质与环境院重点实验室
Spatiotemporal evolution of C-3/C-4 vegetation and its controlling factors in southern China since the last glacial maximum
Cui, Linlin1,2; Hu, Jianfang3; Wang, Xu1,2
2019-08-01
Source PublicationSCIENCE CHINA-EARTH SCIENCES
ISSN1674-7313
Volume62Issue:8Pages:1256-1268
AbstractTo date, few research have been reported on the evolution of C-3/C-4 vegetation in southern China, and the main mechanism influencing the evolution of C-3/C-4 vegetation is unclear. That makes it difficult for researchers to understand the competition mechanism of C-3 and C-4 plants under different climate environments and its relationship with the climate factors. It is also not conducive for researchers to assess the influence of future climate change on regional C-3/C-4 vegetation. Exactly, C-3/C-4 vegetation change in the regional-scale will have a significant impact on the global carbon cycle and agricultural production. Therefore, it is especially important to reconstruct the evolutionary history of C-3/C-4 vegetation in southern China and clarify the influencing mechanism of climate change. In this study, we systematically analyzed stable carbon isotope (delta C-13) of the long-chain n-alkanes in sediment samples from eight lakes and four peat profiles in southern China, to reconstruct the spatiotemporal evolution of C-3/C-4 vegetation in these regions since the Last Glacial Maximum (LGM) and to investigate the climate factors that affect the C-4 plant abundance change in the research area. The integrated long-chain n-alkane (C-27-C-33) stable carbon isotope results of samples from Zhanjiang Huguangyan Maar Lake, Xingyun Lake, Lugu Lake and Dingnan peat showed that, from the LGM to the Early Holocene, C-4 plant relative abundance exhibited a gradually increasing trend from 21% to 34%. In the Middle Holocene, the C-4 plant abundance significantly declined and reached a lowest value of 10%. In space, the C-4 plant abundance generally exhibited a gradually declining trend from south to north in the LGM and the Early Holocene, while it showed an opposite trend in the Holocene Climate Optimum (6.0 cal ka BP). It reflected that the main influencing factor on C-4 plants spatial distribution was changing from temperature to precipitation. This study indicated that temperature was the dominant factor affecting C-4 plant distribution in southern China, however, when the temperature condition was appropriate, an increase in precipitation (especially more spring precipitation) would reduce the competitive advantages of C-4 plants. Therefore, the combination of temperature and seasonal precipitation was the important factor that determines the C-3/C-4 vegetation proportion change in the southern China. Under the premise that the temperature will rise and precipitation will increase in the future, the reduction of a competitive advantage for the C-4 plants could affect agricultural production in China.
KeywordStable carbon isotope Long-chain n-alkanes C-3/C-4 vegetation Last Glacial Maximum Holocene Climate Optimum period
DOI10.1007/s11430-018-9225-9
Funding Organization"Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS KeywordSUMMER MONSOON EVOLUTION ; CARBON-ISOTOPE EVIDENCE ; EAST-ASIAN SUMMER ; SOUTHWESTERN CHINA ; N-ALKANES ; YUNNAN PROVINCE ; CLIMATE CHANGES ; LOESS PLATEAU ; XINGYUN LAKE ; LATE MIOCENE
Language英语
Funding Project"Strategic Priority Research Program" of the Chinese Academy of Sciences[XDA05120103] ; National Natural Science Foundation of China[41603013] ; National Natural Science Foundation of China[41572163]
Funding Organization"Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; "Strategic Priority Research Program" of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000473821100001
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/92690
Collection新生代地质与环境院重点实验室
Corresponding AuthorHu, Jianfang; Wang, Xu
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Guanzhou Inst Geochem, Beijing 510640, Peoples R China
First Author AffilicationInstitute of Geology and Geophysics, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Geology and Geophysics, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Cui, Linlin,Hu, Jianfang,Wang, Xu. Spatiotemporal evolution of C-3/C-4 vegetation and its controlling factors in southern China since the last glacial maximum[J]. SCIENCE CHINA-EARTH SCIENCES,2019,62(8):1256-1268.
APA Cui, Linlin,Hu, Jianfang,&Wang, Xu.(2019).Spatiotemporal evolution of C-3/C-4 vegetation and its controlling factors in southern China since the last glacial maximum.SCIENCE CHINA-EARTH SCIENCES,62(8),1256-1268.
MLA Cui, Linlin,et al."Spatiotemporal evolution of C-3/C-4 vegetation and its controlling factors in southern China since the last glacial maximum".SCIENCE CHINA-EARTH SCIENCES 62.8(2019):1256-1268.
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