STATE ASSESSMENT AND DEVELOPMENT FORECAST OF POPULATIONS OF REPRESENTATIVES GENUS EURYTEMORA (COPEPODA, CALANOIDA) IN WATER RESERVOIRS OF BELARUS
Abstract
The long-term dynamics of the relic calanoid copepode E. lacustris density in two Belarusian lakes inhabited by this species was studied, as well as link of number alien kalanoid copepode E. velox with quality of water of the inhabited water objects. The decrease of the E. lacustris density in both of lakes was determined. Despite the relative low index of density and its significant seasonal and year fluctuation, populations remain stabilized and reproducible. The alien species E. velox populates reservoirs of the South of Belarus with a wide range of a trofnost and impurity, preferring the moderate polluted waters. It is a prerequisite for further expansion.
About the Authors
A. G. Litvinova
Scientific and Practical Center of the National Academy of Sciences for Bioresources
Belarus
М. S. (Biol.), Junior scientific researcher
Belarus
М. S. (Biol.), Junior scientific researcher
V. V. Vezhnavets
Scientific and Practical Center of the National Academy of Sciences for Bioresources
Belarus
Ph. D. (Biol.), Senior scientific researcher
Belarus
Ph. D. (Biol.), Senior scientific researcher
V. P. Semenchenko
Scientific and Practical Center of the National Academy of Sciences for Bioresources
Belarus
Corresponding Member, Dr. Sci. (Biol.), Head of Laboratory
Belarus
Corresponding Member, Dr. Sci. (Biol.), Head of Laboratory
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