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Microbial formation of labile organic carbon in Antarctic glacial environments
Author(s) -
Heidi J. Smith,
Rachel A. Foster,
Diane M. McKnight,
John T. Lisle,
Sten Littmann,
Marcel M. M. Kuypers,
Christine M. Foreman
Publication year - 2017
Publication title -
nature geoscience
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.435
H-Index - 200
eISSN - 1752-0908
pISSN - 1752-0894
DOI - 10.1038/ngeo2925
Subject(s) - carbon cycle , biogeochemical cycle , total organic carbon , carbon fibers , heterotroph , glacial period , environmental science , primary production , organic matter , dissolved organic carbon , environmental chemistry , ecosystem , carbon fixation , biogeochemistry , microbial loop , ecology , chemistry , geology , food web , biology , carbon dioxide , paleontology , bacteria , materials science , composite number , composite material
Bioavailable glacial carbon has been thought to be largely ancient or anthropogenic. Analyses of carbon dynamics in an Antarctic supraglacial stream reveal that non-photosynthetic production relies on organic carbon from photosynthetic microbes.

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