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Hydrobiological Journal
SJR: 0.227 SNIP: 0.575 CiteScore™: 0.24

ISSN Imprimir: 0018-8166
ISSN En Línea: 1943-5991

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Hydrobiological Journal

DOI: 10.1615/HydrobJ.v37.i4.100
8 pages

The Microbial Metabolism of Organic Carbon in Bottom Sediments of the Rybinsk Reservoir

D. B. Kosolapov
Institute of Biology of Inland Waters Russian Academy of Sciences Borok, Yaroslavl Region, Russia
B. B. Namsarayev
Institute of Biology of Inland Waters Russian Academy of Sciences Borok, Yaroslavl Region, Russia


It is elucidated that in the surface layers of bottom grounds of the Rybinsk Reservoir, aerobic microorganisms decompose the most part of organic matter (OM). Proteolytic and celluloselytic bacteria are highly active at the initial stages of that process. Methanogenesis is dominating at the terminal stages of OM breakdown. Acetogenesis plays a considerable role at the intermediate mineralization stages that take place in the sediments leaner in biogenic elements.

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