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

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

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v54.i2.60
pages 55-63

Structural Characteristics of Ichthyoplankton of the Small Regulated River in the Kyiv Polissya

I. I. Abramyuk
Institute of Hydrobiology National Academy of Sciences of Ukraine Kyiv, Ukraine
S. A. Afanasyev
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine
Ye. A. Gupalo
Institute of Hydrobiology National Academy of Sciences of Ukraine Kyiv, Ukraine

ABSTRACT

The first data on ichthyoplankton of the Koturka River (a regulated small river of the Dnipro catchment) were obtained. It was found that the most portion of the fishes' larvae settle the littoral zone of the river ponds. At the same time, some species are distributed in the pelagic zone and might be transported to the downstream ponds by drift. The ichthyoplankton structure was dynamic and changed over the season: the larvae of early spawning species (perch and roach) appeared firstly, then they were substituted by the later spawning species (bitterling and sunbleak).