Stable Carbon Isotope Evidence for Atmospheric CO(inf2) Uptake by Cyanobacterial Surface Scums in a Eutrophic Lake

The carbon isotope composition of photosynthetic organisms reflects the (delta)(sup13)C of their inorganic carbon sources. The large difference between (delta)(sup13)C in cyanobacterial surface scums (-25 to -18(permil)) and subsurface blooms (-34 to -30(permil)) in a subarctic lake indicates direct...

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Bibliographic Details
Published in:Applied and Environmental Microbiology
Main Authors: Gu, B, Alexander, V
Format: Article in Journal/Newspaper
Language:English
Published: American Society for Microbiology 1996
Subjects:
Subarctic
Online Access:http://dx.doi.org/10.1128/aem.62.5.1803-1804.1996
https://journals.asm.org/doi/pdf/10.1128/aem.62.5.1803-1804.1996
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Summary:The carbon isotope composition of photosynthetic organisms reflects the (delta)(sup13)C of their inorganic carbon sources. The large difference between (delta)(sup13)C in cyanobacterial surface scums (-25 to -18(permil)) and subsurface blooms (-34 to -30(permil)) in a subarctic lake indicates direct atmospheric CO(inf2) fixation by the scums.

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