NDLI: Lignin degradation products as palaeoenvironmental proxies in the sediments of small lakes

Content Provider	Springer Nature Link
Author	Kuliński, Karol Święta Musznicka, Joanna Staniszewski, Andrzej Pempkowiak, Janusz Latałowa, Małgorzata
Copyright Year	2007
Abstract	The quantity and quality of lignin phenols (Σ8, Λ, S/V, C/V and (Ad/Al)$_{v}$) in the sediments of three small Lobelia lakes with neither inlets nor outlets were investigated and compared with palynological data and lithology of the profiles. The method of alkaline CuO oxidation was used. Substantial differences with respect to sedimentary lignin concentration and provenance recorded along the profiles and among the sites are in good agreement with pollen data describing the dominant type of vegetation and with indices of soil erosion in the lakes’ catchments. This relation shows that the compositions of lignin degradation products in these lakes are closely related to the local environmental conditions. In all the lakes gymnosperm wood is the main source of lignin products; however, each lake is characterized by different S/V index values. Especially good correlations were obtained between pine pollen proportions in sediments and the S/V index. The correlation between the C/V and (Ad/Al)$_{v}$ indices indicates a higher degradation of organic matter when non-woody tissue is more abundant. This pilot study illustrates the usefulness and potential for a wider application of lignin oxidation products in palaeoecological reconstructions. This kind of data would be of special importance when investigating local presence/absence of woody plants and the role of angiosperms/gymnosperms in local vegetation. Estimates of lignin biodegradation levels, as well as the data on diagenetic processes, may afford supplementary information on possible disturbances in sedimentation.
Starting Page	555
Ending Page	567
Page Count	13
File Format	PDF
ISSN	09212728
Journal	Journal of Paleolimnology
Volume Number	38
Issue Number	4
e-ISSN	15730417
Language	English
Publisher	Springer Netherlands
Publisher Date	2007-03-06
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Palaeoecology Lake sediments Lignin degradation products Terrigenous organic matter Soil erosion Palynology Geology Freshwater & Marine Ecology Physical Geography Climate Change Sedimentology Environment
Content Type	Text
Resource Type	Article
Subject	Earth-Surface Processes Aquatic Science

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