Contamination of some reservoirs and lakes in Republic of Bulgaria by microcystins
Contamination of some reservoirs and lakes in Republic of Bulgaria by microcystins
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DOI：
10.1002/aheh.200600641
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发表时间：
2006-10-01
期刊：
影响因子：
--
通讯作者：
Marsalek, Blahoslav
中科院分区：
文献类型：
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作者：
Pavlova, Vera;Babica, Pavel;Marsalek, Blahoslav
本文介绍了从15个保加利亚水库和湖泊的水样分析的结果，检测微囊藻毒素的存在，高效液相色谱法（HPLC）耦合到紫外线（UV）和光电二极管阵列（PDA）检测器。在3个研究的饮用水水库蓝藻水华没有检测到。在12个被调查的用于钓鱼和水上运动的水体中，有6个水体观察到蓝藻水华。微囊藻是蓝藻的优势属。在生物量的总微囊藻毒素的浓度范围从8到1070 μ g g（-1）（干重）。微囊藻毒素-LR和微囊藻毒素-RR是主要的微囊藻毒素，其次是微囊藻毒素-YR。在一个水样中发现了溶解的微囊藻毒素，总微囊藻毒素浓度为1.64 μ g L-1。未检测到微囊藻毒素-LF和-LW或具有微囊藻毒素样特征紫外光谱的未知峰的存在。保加利亚一些水库和湖泊中发现微囊藻毒素的初步结果有助于了解其分布情况。
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 mu g 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 mu g 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.