Specific features of the zooplankton of the coastal zone of Lake Sevan |
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Authors: | A V Krylov S A Akopyan |
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Institution: | (1) Institute for Limnology, Austrian Academy of Sciences, 5310 Mondsee, Mondseestrasse 9, Austria;(2) Present address: Eisenaustrasse 20, 5310 Mondsee, Austria;(3) Biologische Station Neusiedler See, 7142 Illmitz, Austria |
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Abstract: | Specific features of the Lake Sevan zooplankton development during a rise in water level in July 2007 and a change in the
fish density were revealed. Compared to earlier data (from the second half of the 20th century), the pelagial zooplankton
quantitatively dominates over the zooplankton of shallows. It is shown that the diversity and abundance of rotifers increase
in the coastal zones subject to inundation. The rotifer indicator species of eutrophic and α-mesosaprobic waters contribute
to this increase. The stimulating effect of the waste products of a bird colony on the zooplankton of the lake shallows is
revealed. |
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