Сезонные колебания численности коловраток в одном из прудов Киева

Abstract

Seasonalquantitative fluctuations of rotiferi nthe recreative eutrophic Kiev pond wereinvestigated from June1979till.June 1980. In August-September, 1979 the common quantitativeupraising curve is of the bitopical shape due to nonsimultaneous reproduction the dominating species Euchlanis oropha and Keratella quadrata. In June 1980 Asplan- chna priodonta was predominant. Among several factors the water temperature and trophical conditions are discussed as determinants.