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Effect of plant life form on relationship between delta D values of leaf wax n-alkanes and altitude along Mount Taibai, China
Zhang,P (Zhang,Pu)[1,2]; Liu,WG (Liu,Weiguo)[1,3]
2011-01-30
Source PublicationORGANIC GEOCHEMISTRY
Volume42Issue:1Pages:100-107
Subtype期刊论文
Abstract

We present delta D(wax) values from different forms of plants and soils, and delta D(sw), values from soil water along the northern slope of Mount Taibai, China. The results show a highly negative linear correlation of the delta D(wax) values for soils with altitude (R(2) 0.74) and we observed the same correlation for delta D(sw) values of soil water with altitude (R(2) 0.68). The delta D(wax) of living plants behaves like the soil, but does not exhibit a significant linear correlation with altitude (R(2) 0.11). The delta D(wax) values of woody plants and grasses also show a similar trend with respect to altitude with significant and no linear correlation, respectively (R(2) 0.50 for woody plants and 0.17 for grass), which suggest that the "altitude effect" can not be well documented for the delta D(wax) values of living plants, which may be due to differences in plant type and/or evapotranspiration controlled by the plant microclimate. The epsilon(wax-sw) values of woody plants, grasses and soil show minor fluctuations with altitude. However, the epsilon(wax-sw) and delta D(wax) values of woody plants are roughly 51 parts per thousand and 50 parts per thousand more positive, respectively, than those of grasses, suggesting that an "altitude effect" could be documented in the delta D(wax) of woody plants and grasses, with each responding independently to changes in precipitation along the altitude transect. Additionally, the epsilon(wax-sw) values of soil are relatively constant with altitude, suggesting that the altitudinal change in the proportions between woody plant and grass input to soils will likely change the relationship between the delta D(wax) values of soil n-alkanes and altitude.

DOI10.1016/j.orggeochem.2010.11.005
Indexed BySCI
Language英语
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Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10277
Collection加速器质谱中心
Corresponding AuthorLiu,WG (Liu,Weiguo)[1,3]
Affiliation1.State Key Lab of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710075, China;
2.Department of Environmental Science, Northwest University, Xi’an 710127, China;
3.School of Human Settlement and Civil Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Recommended Citation
GB/T 7714
Zhang,P ,Liu,WG . Effect of plant life form on relationship between delta D values of leaf wax n-alkanes and altitude along Mount Taibai, China[J]. ORGANIC GEOCHEMISTRY,2011,42(1):100-107.
APA Zhang,P ,&Liu,WG .(2011).Effect of plant life form on relationship between delta D values of leaf wax n-alkanes and altitude along Mount Taibai, China.ORGANIC GEOCHEMISTRY,42(1),100-107.
MLA Zhang,P ,et al."Effect of plant life form on relationship between delta D values of leaf wax n-alkanes and altitude along Mount Taibai, China".ORGANIC GEOCHEMISTRY 42.1(2011):100-107.
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