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Limnological Study of a Lake Formed in Limestone Quarry (Kraków, Poland). I. Zooplankton Community
A. Ślusarczyk*
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Karol Starmach Institute of Freshwater Biology, Polish Academy of Sciences, Sławkowska 17, 31-016 Kraków, Poland
Pol. J. Environ. Stud. 2003;12(4):489-493
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ABSTRACT
The zooplankton of a meromictic lake, in a former limestone quarry situated in southern Poland, was studied monthly in the years 2000-2001. A low density and diversity of zooplankton assemblage was noted. Individuals of the dominant species Daphnia longispina represented all body size classes and were present during the whole study period; the maximum number of Daphnia females carrying the eggs was noted in May. The normal dial vertical migration of Daphnia, studied in June, was observed.