• 责任者：Zheng Yanhong （Department of Geology ; Northwest University ; Xi’an 710069 ; China） ; Zhou Weijian
• 刊名：Acta Sedimentologica Sinica
• 出版年：2009
• 卷期：27(1)
• 关键词：全新世 ; Holocene ; 泥炭 ; peat ; 青藏高原 ; Qinghai-Tibetan Plateau
• 页码：p.142-146
• 图表：2 illus., 1 table, 28 refs.
• 分类号：1400
• issnNo：ISSN1000-0550
• isbnNo：CN62-1038/P

The distribution of the n-alkanes in the Hongyuan peat core of the northeastern Qinghai-Tibeten Plateau was systematically analyzed based on the GC-MS analysis. The organism records during the Holocene were reconstructed in this region. The results are compared with pollen records in the same region. The discrepancy between the n-alkanes and pollen records was analyzed. One of reason is the n-alkanes mainly record the composition of plant debris deposited locally, the pollen assemblage is more an average signal of the flora over a wider area. The results give a new proof for the biology information of the Holocene in the Qinghai-Xizang Plateau. The author also proposes lipid biomarkers (such as n-alkanes) can be viewed as the effective tool of vegetation reconstruction, together with the pollen, and will gain the detailed vegetation evolution history.oft-com:office:office" />