Water Quality Assessment in Lakes of Vojvodina

Document Type : Original Research Paper

Authors

1 Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovica 2, 21 000 Novi Sad, Serbia

2 ACIMSI, University of Novi Sad, 21000 Novi Sad, Serbia

3 Department of Field and Vegetable Crops, Faculty of Agriculture, Trg Dositeja Obradovica 8, 21000, Novi Sad, Serbia

Abstract

This study focused on use of bacterial extracellular enzyme activities as biochemical parameters,
along with the microbiological and physicochemical characteristics, in a comprehensive assessment of water quality of four lake ecosystems in the Province of Vojvodina (northern Serbia): Provala, Ludas, Zobnatica and Palic. Water samples were collected in June and October, 2008. For assessment of microbiological water quality, heterotrophic plate count, total and fecal coliform count, as well as total bacterial count was determined. Based on microbiological parameters, the water ecosystems were appropriately classified. The following extracellular enzyme activities were determined: alkaline phosphatase, β-D-glucosidase and acetate esterase using fluorogenic 4-methylumbelliferone labeled substrates. The results showed that Provala Lake had the best
water quality taking in consideration all of the parameters, followed by Zobnatica, while Ludas and Palic had a significant level of organic water pollution both in June and October. The results indicate that further similar studies should include both microbiological and biochemical analyses, in order to obtain more relevant data on
water quality.

Keywords

International Journal of Environmental Research
Volume 5, Issue 4
September 2011
Pages 891-900

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