D. I. Gudkov
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kyiv
I. Toderas
Institute of Zoology
Academy of Sciences of Moldova
P. D. Klochenko
Institute of Hydrobiology National Academy of Sciences of Ukraine Kiev, Ukraine
Y. I. Uzunov
Institute of Biodiversity and Ecosystem Research
Academy of Scienses of Bulgaria
Sofia, Bulgaria; Institute of Hydrobiology National Academy of Sciences of Ukraine Kyiv, Ukraine
Yu. G. Krot
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine
V. M. Yakushin
Institute of Hydrobiology, National Academy of Sciences of Ukraine Kiev, Ukraine
P. N. Linnik
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev
N. Yu. Yevtushenko
National University of Life and
Environmental Sciences of Ukraine
A. A. Protasov
Institute of Biodiversity and Ecosystem Studies of Bulgarian Academy of Sciences, Sofia, Bulgaria; Institute of Hydrobiology National Academy of Sciences of Ukraine Kyiv, Ukraine
Yu. P. Zaytsev
Institute of Marine Biology
National Academy of Sciences, Ukraine
A. V. Romanenko
Bogomolets National Medical University, Ukraine