IEECAS OpenIR  > 黄土与第四纪地质国家重点实验室(2010~)
Leaf wax n-alkane distributions across plant types in the central Chinese Loess Plateau
Liu, JZ (Liu, Jinzhao)[ 1,2 ]; An, ZS (An, Zhisheng)[ 1 ]; Liu, H (Liu, Hu)[ 1,3 ]
Corresponding AuthorLiu, Jinzhao(liu.jin.zhao.am@stu.xjtu.edu.cn)
2018-11
Source PublicationORGANIC GEOCHEMISTRY
ISSN0146-6380
Volume125Pages:260-269
Subtype期刊论文
Abstract

Terrestrial ecosystems generally contain various plant types (e.g. dicots, monocots, gymnosperms), and an evaluation of the dominant plant type in an ecosystem is the key to understanding geological records in paleoenvironmental research. In this study, we examined n-alkane chain length distributions in terrestrial higher plants in the central Chinese Loess Plateau, and found that average chain length (ACL) could be utilized as an indicator for differentiating gymnosperms from angiosperms. ACL21–33 was less than 27 for gymnosperms, but more than 27 for angiosperms. Moreover, a derived Pv index from a selected n-alkane ratio, (i.e. (C31 + C33)/RCn(n=27–33)), provided a relative criterion for distinguishing between dicots and monocots within the angiosperms. When Pv < 0.1, the ecosystem was predominated by dicots, but those with Pv > 0.1, were dominated by monocots. Discrimination of the dominant plant type in an ecosystem is important when leaf wax n-alkanes are used as a proxy for paleoenvironmental reconstructions.

KeywordN-alkane Leaf Wax Plant Types Chinese Loess Plateau
DOI10.1016/j.orggeochem.2018.09.006
WOS KeywordHYDROGEN-ISOTOPIC COMPOSITION ; DELTA-D VALUES ; MIOCENE CLARKIA FORMATION ; TERRESTRIAL PLANTS ; SURROUNDING AREA ; LIPID BIOMARKERS ; TIBETAN PLATEAU ; ORGANIC-MATTER ; AQUATIC PLANTS ; SURFACE SOILS
Indexed BySCI
Language英语
Funding ProjectChinese Academy of Sciences[QYZDY-SSW-DQC001] ; National Natural Science Foundation of China[41420104008]
WOS Research AreaGeochemistry & Geophysics
Funding OrganizationChinese Academy of Sciences ; National Natural Science Foundation of China
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000448941300026
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/9587
Collection黄土与第四纪地质国家重点实验室(2010~)
Corresponding AuthorLiu, JZ (Liu, Jinzhao)[ 1,2 ]
Affiliation1.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710061, China;
2.School of Human Settlements and Civil Engineering, Xi’an Jiaotong University, Xi’an 710049, China;
3.University of Chinese Academy of Sciences, Beijing 100049, China
Recommended Citation
GB/T 7714
Liu, JZ ,An, ZS ,Liu, H . Leaf wax n-alkane distributions across plant types in the central Chinese Loess Plateau[J]. ORGANIC GEOCHEMISTRY,2018,125:260-269.
APA Liu, JZ ,An, ZS ,&Liu, H .(2018).Leaf wax n-alkane distributions across plant types in the central Chinese Loess Plateau.ORGANIC GEOCHEMISTRY,125,260-269.
MLA Liu, JZ ,et al."Leaf wax n-alkane distributions across plant types in the central Chinese Loess Plateau".ORGANIC GEOCHEMISTRY 125(2018):260-269.
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