Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2016 Mar;23(5):4073-85.
doi: 10.1007/s11356-015-4442-6. Epub 2015 Apr 14.

Evaluation of the distribution of fecal indicator bacteria in a river system depending on different types of land use in the southern watershed of the Baltic Sea

Affiliations

Evaluation of the distribution of fecal indicator bacteria in a river system depending on different types of land use in the southern watershed of the Baltic Sea

Anna Gotkowska-Płachta et al. Environ Sci Pollut Res Int. 2016 Mar.

Abstract

The aim of the study was to determine the effects of land use management on changes in the fecal contamination of water in the Łyna River, one of the main lowland watercourses in the southern watershed of the Baltic Sea (northern Poland). A total of 120 water samples were collected in different seasons of 2011 and 2012 at 15 sites where the river intersected forest (FA), agricultural (AA), and urbanized (UA) areas. Fecal indicator bacteria (FIB), the counts of Enterobacteriaceae and Escherichia coli, total bacterial counts (TBCs), and domain Bacteria (EUB338) were determined by culture-dependent and culture-independent methods. Temperature, pH, chemical oxygen demand, dissolved oxygen, total dissolved solids, ammonia nitrogen, nitrite nitrogen, nitrate nitrogen, orthophosphate, and total phosphorus were also determined. The lowest bacterial counts were noted in water samples collected in FA, and the highest in samples collected in UA. Statistically significant differences were determined between bacterial populations across the analyzed land use types and in different sampling seasons. Significant correlations were also observed between the populations of FIB and physicochemical parameters. The results indicate that land use type influenced FIB concentrations in river water. The combined use of conventional and molecular methods improves the accuracy of fecal contamination analyses in river ecosystems.

Keywords: Enterobacteriaceae; Escherichia coli; FISH; Indicator bacteria; River water; Type of land use.

PubMed Disclaimer

Similar articles

Cited by

References

    1. J Environ Manage. 2013 Oct 15;128:904-11 - PubMed
    1. Ecotoxicol Environ Saf. 2013 May;91:96-102 - PubMed
    1. Int J Hyg Environ Health. 2013 Jul;216(4):435-44 - PubMed
    1. Environ Microbiol. 2003 Mar;5(3):183-201 - PubMed
    1. Environ Pollut. 2010 May;158(5):1435-43 - PubMed

Publication types

LinkOut - more resources