ORIGINAL RESEARCH
Metabolic Activity of Heterotrophic Bacteria in the Presence of Humic Substances and Their Fractions
W. Donderski, A. Burkowska
 
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Department of Water Microbiology and Biotechnology, Nicholas Copernicus University, Gagarina 9, 87-100 Toruń
 
 
Pol. J. Environ. Stud. 2000;9(4):267-271
 
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ABSTRACT
Metabolic activity of heterotrophic bacteria isolated from lakes Stęgwica, Jeziorak and Jasne were investigated. A humic substances of commercial preparation by Aldrich-Chemie, as well as natural humic substances, fulvic and humin acids isolated from lake Stegwica were used as a source of energy. The results indicate that 70-80% of bacteria strains are able to utilise the humus matter. The greatest metabolic activity was recorded in bacteria which were supported by natural humic substances isolated from lake Stęgwica; whereas the lowest was noted in the presence of humin acids.
eISSN:2083-5906
ISSN:1230-1485
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