Articles | Volume 16, issue 10
https://doi.org/10.5194/bg-16-2131-2019
https://doi.org/10.5194/bg-16-2131-2019
Research article
 | 
22 May 2019
Research article |  | 22 May 2019

Plants or bacteria? 130 years of mixed imprints in Lake Baldegg sediments (Switzerland), as revealed by compound-specific isotope analysis (CSIA) and biomarker analysis

Marlène Lavrieux, Axel Birkholz, Katrin Meusburger, Guido L. B. Wiesenberg, Adrian Gilli, Christian Stamm, and Christine Alewell

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Cited articles

Alewell, C., Giesler, R., Klaminder, J., Leifeld, J., and Rollog, M.: Stable carbon isotopes as indicators for environmental change in palsa peats, Biogeosciences, 8, 1769–1778, https://doi.org/10.5194/bg-8-1769-2011, 2011. 
Alewell, C., Birkholz, A., Meusburger, K., Schindler Wildhaber, Y., and Mabit, L.: Quantitative sediment source attribution with compound-specific isotope analysis in a C3 plant-dominated catchment (central Switzerland), Biogeosciences, 13, 1587–1596, https://doi.org/10.5194/bg-13-1587-2016, 2016. 
Allan, J. D.: Landscapes and riverscapes: the influence of landuse on stream ecosystems, Annu. Rev. Ecol. Evol. S., 35, 257–284, 2004. 
Baas, M., Pancost, R., van Geel, B., Sinninghe-Damste, J. S.: A comparative study of lipids in Sphagnum species, Org. Geochem., 31, 535–541, 2000. 
Bird, M., Kracht, O., Derrien, D., and Zhou, Y.: The effect of soil texture and roots on the stable carbon isotope composition of soil organic carbon, Aust. J. Soil Res., 41, 77–94, 2003. 
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A fingerprinting approach using compound-specific stable isotopes was applied to a lake sediment core to reconstruct erosion processes over the past 150 years in a Swiss catchment. Even though the reconstruction of land use and eutrophication history was successful, the observation of comparatively low δ13C values of plant-derived fatty acids in the sediment suggests their alteration within the lake. Thus, their use as a tool for source attribution in sediment cores needs further investigation.
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