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

D. B. Kosolapov; B. B. Namsarayev

doi:10.1615/HydrobJ.v37.i4.100

Hydrobiological Journal

Editor-in-Chief: S. A. Afanasyev (open in a new tab)

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Published 6 issues per year

ISSN Print: 0018-8166

ISSN Online: 1943-5991

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

Volume 37, Issue 4, 2001, 8 pages

DOI: 10.1615/HydrobJ.v37.i4.100

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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

ABSTRACT

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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