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Hydrobiological Journal

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

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v40.i1.100
12 pages

Composition of Dissolved Organic Matter in Some Tributaries of the Dnieper River Depending on the Development of Planktonic Algae

T. A. Vasilchuk
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine


Seasonal dynamics of the con tent and molecular-mass distribution of humic and protein-like sub stances and carbohydrates in the water of three tributaries of the Dnieper river, including the Pripyat, Zdvizh and Irpen rivers, were studied. The scheme of systematical analysis of dissolved organic matter of natural waters was used for isolating these substances. Relation ship was established between the intensity of development of phytoplankton and dynamics of the content of the above-mentioned organic compounds in the studied water courses.