Articles | Volume 12, issue 16
https://doi.org/10.5194/bg-12-4979-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/bg-12-4979-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Assessing the potential of amino acid 13C patterns as a carbon source tracer in marine sediments: effects of algal growth conditions and sedimentary diagenesis
Leibniz Laboratory for Radiometric Dating and Stable Isotope Research, Christian-Albrechts-Universität zu Kiel, 24118 Kiel, Germany
L. T. Bach
Helmholtz-Zentrum für Ozeanforschung Kiel (GEOMAR), Düsternbrooker Weg 20, 24105 Kiel, Germany
R. Salvatteci
Institute of Geoscience, Department of Geology, Kiel University, Ludewig-Meyn-Str. 10, 24118 Kiel, Germany
Y. V. Wang
Institute of Geoscience, Department of Geology, Kiel University, Ludewig-Meyn-Str. 10, 24118 Kiel, Germany
N. Andersen
Leibniz Laboratory for Radiometric Dating and Stable Isotope Research, Christian-Albrechts-Universität zu Kiel, 24118 Kiel, Germany
M. Ventura
Biogeodynamics and Biodiversity Group, Centre for Advanced Studies of Blanes (CEAB), Spanish Research Council (CSIC), 17300-Blanes, Catalonia, Spain
M. D. McCarthy
Ocean Sciences Department, UC Santa Cruz, Santa Cruz, CA 95064, USA
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- The importance of kelp to an intertidal ecosystem varies by trophic level: insights from amino acid δ13C analysis E. Elliott Smith et al. 10.1002/ecs2.2516
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4 citations as recorded by crossref.
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- Amino acids as indicators to elucidate organic matter degradation profile in the Cochin estuarine sediments, Southwest coast of India P. Salas et al. 10.1016/j.marpolbul.2017.12.010
Saved (final revised paper)
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Latest update: 13 Nov 2024
Short summary
A tiny fraction of marine algae escapes decomposition and is buried in sediments. Since tools are needed to track the fate of algal organic carbon, we tested whether naturally occurring isotope variability among amino acids from algae and bacteria can be used as source diagnostic fingerprints. We found that isotope fingerprints track algal amino acid sources with high fidelity across different growth conditions, and that the fingerprints can be used to quantify bacterial amino acids in sediment.
A tiny fraction of marine algae escapes decomposition and is buried in sediments. Since tools...
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