Microcystins-LR, -YR and -RR in Six Bulgarian Water Bodies of Health and Conservational Importance (2012-2014)

DOI: 10.4236/jwarp.2015.716111   PDF   HTML   XML   2,352 Downloads   2,854 Views   Citations


This study presented the results of HPLC-DAD microcystin and nodularin analyses from five Bulgarian water bodies (reservoirs Stoudena, Pchelina and Bistritsa, and lakes Dourankoulak and Vaya) carried out in 2012-2014, as a continuation of our work from 2004 to 2005 and in 2011, and first data on microcystins in the lake Momin Brod were detected in the period 2012-2014. The total concentration of microcystins in water samples ranged from 0.1 to 1.8 μg/l and their amount in the concentrated biomasses from net samples ranged from 1.35 to 296 μg/g (d.w.). The presence of the most toxic microcystin-LR was recorded in all studied lakes and reservoirs, where also microcystins RR and YR were detected, but no microcystin-LA and nodularin were found.

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Pavlova, V. , Stoyneva-Gärtner, M. , Uzunov, B. , Uzunov, B. , Bratanova, Z. , Lazarova, A. and Karadjova, I. (2015) Microcystins-LR, -YR and -RR in Six Bulgarian Water Bodies of Health and Conservational Importance (2012-2014). Journal of Water Resource and Protection, 7, 1375-1386. doi: 10.4236/jwarp.2015.716111.

Conflicts of Interest

The authors declare no conflicts of interest.


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