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
Main Authors: Gu, B., Alexander, V.
Format: Text
Language:English
Published: 1996
Subjects:
Note
Subarctic
Online Access:http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1388860
http://www.ncbi.nlm.nih.gov/pubmed/16535322
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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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