1973
DOI: 10.1111/j.1365-2427.1973.tb00921.x
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Chain‐length distribution of n‐alkanes from lake sediments in relation to post‐glacial environmental change

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Cited by 364 publications
(220 citation statements)
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“…It is well known that n-alkanes with different chain-length distributions have different biological sources and content. In general, higher terrestrial plants contain long chain n-alkanes (n-C 27 -C 33 ) with odd-to-even predominance in their epicuticular waxes [37,38], whereas submerged/ floating aquatic plants contain a large proportion of midchain n-alkanes (n-C 21 -C 25 ) with odd-to-even predominance [39][40][41], and aquatic algae and photosynthetic bacteria contain low chain n-alkanes (n-C 15 -C 20 ) that are mainly dominated by C 17 and C 19 alkanes [42,43]. A previous study confirmed that long-chain n-alkanes (n-C 27 -C 33 ) originate from terrestrial plants, while mid-chain n-alkanes (n-C 21 -C 25 ) are from submerged plants and low-chain n-alkanes (<n-C 20 ) are from aquatic algae and photosynthetic bacteria [44].…”
Section: The Spatial Distribution Of N-alkanesmentioning
confidence: 99%
“…It is well known that n-alkanes with different chain-length distributions have different biological sources and content. In general, higher terrestrial plants contain long chain n-alkanes (n-C 27 -C 33 ) with odd-to-even predominance in their epicuticular waxes [37,38], whereas submerged/ floating aquatic plants contain a large proportion of midchain n-alkanes (n-C 21 -C 25 ) with odd-to-even predominance [39][40][41], and aquatic algae and photosynthetic bacteria contain low chain n-alkanes (n-C 15 -C 20 ) that are mainly dominated by C 17 and C 19 alkanes [42,43]. A previous study confirmed that long-chain n-alkanes (n-C 27 -C 33 ) originate from terrestrial plants, while mid-chain n-alkanes (n-C 21 -C 25 ) are from submerged plants and low-chain n-alkanes (<n-C 20 ) are from aquatic algae and photosynthetic bacteria [44].…”
Section: The Spatial Distribution Of N-alkanesmentioning
confidence: 99%
“…In the case of long-chain n-alkanes the plant wax pattern is dominated by odd-numbered analogues (C27, C29, C31 in fig. 3a-c) (Eglinton and Hamilton 1967, Cranwell 1973, Farrimond and Flanagan 1996. This interpretation is in accordance with results obtained from bulk elemental analysis and carboxylic biomarker analyses.…”
Section: Molecular Composition Of Lipids From the Seaward Sitesmentioning
confidence: 99%
“…正构烷烃C 25 -C 32 表现出明显的奇偶 优势, 碳优势指数(CPI 25-32 )大于5, 指示陆生高等植物来源 [10,18] . 木本植物来源的正构烷烃以n-C 27 为主峰, 草本植物来源的正构烷烃以n-C 31 为主峰 [18][19][20] , 因此C 27 /C 31 比值能够反映木本植物和草本植物之间的相对 丰度 [19][20][21] . QY、KC、NC、KLX、XQ沉积物中C 27 …”
Section: 结果与讨论unclassified