Vegetation and climate changes in the western Chinese Loess Plateau since the Last Glacial Maximum

doi:10.1016/j.quaint.2014.06.065

	Vegetation and climate changes in the western Chinese Loess Plateau since the Last Glacial Maximum
	Yang, Xiaoxiao 1; Jiang, Wenying ; Yang, Shiling ; Kong, Zhaochen 2; Luo, Yunli 2
	2015
发表期刊	QUATERNARY INTERNATIONAL
ISSN	1040-6182
卷号	372 页码:58-65
摘要	Pollen analysis was conducted for loess deposits from three sites in the western Chinese Loess Plateau, i.e. the loess area west of the Liupan Mountains. Results show that during the Last Glacial Maximum (LGM), in-situ vegetation was dominated by Artemisia and some drought-tolerant species such as Echinops-type, Chenopodiaceae, Nitraria, and Ephedra, while coniferous forest (mainly Picea) flourished in nearby river valleys. During the Holocene Optimum, Picea almost disappeared, and Echinops-type, Chenopodiaceae, Nitraria and Ephedra decreased; vegetation was characterized by Artemisia, Taraxacum-type, Polygonaceae and Leguminosae, implying the climate was warmer and wetter than during the LGM. During the late Holocene, Chenopodiaceae, indicator of human-managed habitats, increased in the study area, indicating enhanced human activity. The climate was warmer and more humid in the loess areas east of the Liupan Mountains than in the west during both the LGM and Holocene Optimum. Likewise, a significant difference in specific plant types was observed between the east and west since the LGM. During the LGM, Pinus and some broadleaf trees emerged, but no Picea forest grew, while in the west, vegetation was characterized by desert shrub and desert steppe in situ, and by dark coniferous forests (mainly Picea) in nearby river valleys. During the Holocene Optimum, treeline advanced upward as a result of increased temperature. Picea thus withdrew from the western loess areas. Therefore, temperature is the major factor controlling the growth of Picea in the Chinese Loess Plateau. (C) 2014 Elsevier Ltd and INQUA. All rights reserved.
关键词	Western Chinese Loess Plateau LGM Holocene Picea Vegetation Climate
学科领域	Geography, Physical ; Geosciences, Multidisciplinary
DOI	10.1016/j.quaint.2014.06.065
收录类别	SCI
语种	英语
WOS关键词	NORTHERN CHINA ; HOLOCENE VEGETATION ; TIANSHAN MOUNTAINS ; GRAIN-SIZE ; POLLEN ; RECORDS ; HISTORY ; PART ; RECONSTRUCTION ; PRECIPITATION
WOS研究方向	Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号	WOS:000355674100008
出版者	PERGAMON-ELSEVIER SCIENCE LTD
文献子类	Article
出版地	OXFORD
EISSN	1873-4553
资助机构	Chinese Academy of Sciences (CAS) Strategic Priority Research Program [XDA05120203] ; National Basic Research Program of China (973 Program) [2010CB950204] ; National Natural Science Foundation of China [41172157]
作者邮箱	wjiang@mail.iggcas.ac.cn
引用统计	被引频次：21[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ibcas.ac.cn/handle/2S10CLM1/25849
专题	植被与环境变化国家重点实验室
作者单位	1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing 100029, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
推荐引用方式 GB/T 7714	Yang, Xiaoxiao,Jiang, Wenying,Yang, Shiling,et al. Vegetation and climate changes in the western Chinese Loess Plateau since the Last Glacial Maximum[J]. QUATERNARY INTERNATIONAL,2015,372:58-65.
APA	Yang, Xiaoxiao,Jiang, Wenying,Yang, Shiling,Kong, Zhaochen,&Luo, Yunli.(2015).Vegetation and climate changes in the western Chinese Loess Plateau since the Last Glacial Maximum.QUATERNARY INTERNATIONAL,372,58-65.
MLA	Yang, Xiaoxiao,et al."Vegetation and climate changes in the western Chinese Loess Plateau since the Last Glacial Maximum".QUATERNARY INTERNATIONAL 372(2015):58-65.

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