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Hydrobiological Journal

ISSN Print: 0018-8166
ISSN Online: 1943-5991

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v43.i6.70
pages 83-91

Effects of Fakel Herbicide on Vital Activity of Ceriodaphnia affinis in Acute and Chronic Experiments

S. D. Mel'nichuk
National Agricultural University of Ukraine, Kiev, Ukraine
E. P. Scherban'
National Agrarian University, Kyiv, Ukraine
V. I. Lokhanskaya
National University of Bioresources and Nature Management, Kyiv, Ukraine

ABSTRACT

Vital, lethal and median concentrations of Fakel herbicide (48% isopropylamine salt of glyphosate as the active ingredient) were determined in experiments with Ceriodaphnia affinis. In comparison with the control, fecundity of C. affinis lowered by 75.6% at 10 mg/dm3 herbicide concentration and by 36−40% at concentration of 2.5−5.0 mg/dm3. The 0.001 mg/dm3 concentration was ineffective. This herbicide should be ranked among the toxic agents for aquatic organisms.