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

ISSN Druckformat: 0018-8166
ISSN Online: 1943-5991

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Hydrobiological Journal

DOI: 10.1615/HydrobJ.v39.i2.20
9 pages

Microflora and the Processes of Production and Decomposition in the Uvod Reservoir

A. N. Butorin
Institute of Biology of Inland Waters Russian Academy of Sciences Borok, Russia
N. A. Lapteva
Institute of Biology of Inland Waters Russian Academy of Sciences Borok, Russia
G. I. Markevich
Institute of Biology of Inland Waters Russian Academy of Sciences Borok, Russia


Spatial and temporal changes in microbiological indices were studied in the Uvod reservoir. The numbers of bacterioplankton accounted for 1.6-11 million cells/ml, whereas its biomass was 180-600 mg/L. The numbers of bacteriobenthos were 0.6-12 billion cells/g, whereas its biomass accounted for 0.25-0.80 mg/g of wet silt. The numbers of saprophytic bacteria in water were not more than 1 thousand cells/ml, whereas their numbers in bottom sediments accounted for 100 thousand cells/g. Production ofbacterioplankton was 20-100 mg C/L·day, primary production - 0.34-1.90 mg/L·day, whereas decomposition -0.13-0.80 mg/L·day.

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