ORIGINAL RESEARCH
Seasonal Variability in Chemical and
Microbiological Status of Bottom Sediments
in Lake Rusałka at Removal of Cyanobacterial
Blooms from its Surface
1
Institute of Biosystem Engineering, Poznań University of Life Sciences, Poznań, Poland
2
Department of General and Environmental Microbiology, Poznań University of Life Sciences, Poznań, Poland
Submission date: 2018-11-30
Final revision date: 2019-03-21
Acceptance date: 2019-04-14
Online publication date: 2019-10-24
Publication date: 2020-01-16
Corresponding author
Pol. J. Environ. Stud. 2020;29(2):1323–1330
KEYWORDS
TOPICS
Quality controlWater treatmentOthersMonitoringBiological and chemical treatmentPollutionWater remediationHydrobiologyWater monitoring
ABSTRACT
The aim of this study was to collect data on the variability of dissolved oxygen content, pH and
conductivity in waters of Lake Rusałka and the microbiological status of its bottom sediments following
mechanical removal of the cyanobacterial blanket. Results indicate that mechanical removal of the bloom
blanket from the lake surface accelerates oxygenation of its waters and growth of aerobic bacteria,
mineralizing the bottom sediments and reducing pH.
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