Contamination of some reservoirs and lakes in Republic of Bulgaria by microcystins

Acta Hydrochimica Et Hydrobiologica Pub Date : 2006-10-01 DOI:10.1002/AHEH.200600641

V. Pavlova, P. Babica, Detelina Todorova, Z. Bratanova, B. Maršálek

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引用次数: 33

Abstract

This paper presents the results from analyses of water samples from 15 Bulgarian reservoirs and lakes for detection of microcystins presence by high-performance liquid chromatography (HPLC) coupled to a ultraviolet (UV) and photo diode array (PDA) detector. In 3 of the studied drinking water reservoirs cyanobacterial blooms were not detected. Cyanobacterial blooms were observed in 6 of 12 investigated water bodies used for fishing and water sports. Microcystis was the dominant cyanobacterial genus. The concentration of total microcystins in the biomasses ranged from 8 to 1070 μg g -1 (d.w.). Microcystin-LR and microcystin-RR were the predominant microcystins, followed by microcystin-YR, Presence of dissolved microcystins was obtained in one water sample with concentration of total microcystins 1.64 μg L -1 . Presence of microcystin-LF and -LW or unknown peaks possessing characteristic microcystin-like UV-spectra were not detected. Those first results for occurrence of microcystins in some Bulgarian reservoirs and lakes are a contribution to the knowledge on their distribution.

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保加利亚共和国一些水库和湖泊受到微囊藻毒素污染

本文介绍了对保加利亚15个水库和湖泊的水样进行分析的结果，通过高效液相色谱(HPLC)耦合紫外线(UV)和光电二极管阵列(PDA)检测器检测微囊藻毒素的存在。在3个研究的饮用水水库中未检测到蓝藻华。在调查的12个用于捕鱼和水上运动的水体中，有6个观察到蓝藻华。微囊藻是主要的蓝藻属。生物量中总微囊藻毒素浓度为8 ~ 1070 μg -1 (d.w)。微囊藻毒素以微囊藻毒素- lr和微囊藻毒素- rr居多，其次为微囊藻毒素- yr。1个水样中微囊藻毒素总浓度为1.64 μg L -1，存在溶解性微囊藻毒素。未检测到微囊藻毒素- lf和-LW或具有特征微囊藻毒素样紫外光谱的未知峰。关于微囊藻毒素在保加利亚一些水库和湖泊中出现的初步结果有助于了解其分布情况。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Acta Hydrochimica Et Hydrobiologica

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