城市化程度高地区银X大头鱼杂交种器官和组织中的重金属作为人为压力的指标

IF 0.3
A. Makarenko, P. Shevchenko, I. S. Kononenko, Vadym M. Kondratyk, D. Khrystenko, V. Grubinko
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引用次数: 2

摘要

人类对包括地表水在内的自然物体的负荷增长,推动了对乌克兰各种污染物造成的水污染问题的研究。与我们特别相关的是渔业水库作为种植优质水产养殖产品的直接环境的研究。在水库中含有的有毒化合物中,重金属占据了第一位。一方面,重金属作为天然水中的污染物,构成了巨大的危险,因为即使浓度相对较低,它们也会对水生生物产生不利影响。另一方面,在微量方面,大多数重金属(汞、镉和铅除外)是水生生物(包括鱼类)活细胞的天然甚至必需成分[17,19]。在高度城市化地区的池塘中培养的大头鱼杂交种器官和组织中的Zn、Mn、Fe、Cu、Pb、Co、Ni、Cd,分布不均匀,其含量水平不仅取决于水生环境的物理和化学特征或这种重金属在鱼类生物中的生物化学活性,还取决于后者具体器官和组织的功能特征。我们的研究结果表明,上述重金属的特征是在杂交银x大头鲤鱼的器官和组织中含量高。杂种生物中含量最高的是铅、钴和镉。在我们的调查中,鳃中的重金属浓度最高,因为它是鱼类免受环境污染的第一道防线。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Heavy Metals in Organs and Tissues of Silver X Bigheads Carp Hybrid as Indices of Anthropogenic Pressure in Areas with a High Level of Urbanization
The growth of man-caused load on natural objects, including surface waters, gave impetus to the studying for issue of water pollution in Ukraine by various pollutants. Especially relevant for us are the studies of fishery reservoirs as a direct environment for growing quality aquaculture products. Among the toxic compounds contained in reservoirs, one of the first places is occupied by heavy metals. On the one hand, heavy metals, as pollutants in natural waters, pose a great danger because even in relatively small concentrations they can adversely affect aquatic organisms. On the other hand, in microquantities most heavy metals (except mercury, cadmium and lead) are a natural and even essential component of living cells of aquatic organisms, including fish [17,19].Zn, Mn, Fe, Cu, Pb, Co, Ni, Cd in the organs and tissues of the bighead carphybrid form, which was cultivated in ponds from highly urbanized territory, are distributed heterogeneously and their level of content depends not only on the physical and chemical characteristics of the aquatic environment or this heavy metals biochemical activities force in fish organisms, but also on functional features of concrete organs and tissues of the latter. Results of our investigations showed that above mentioned heavy metals were characterised by high levels of content in the organs and tissues of hybrid silver x bigheadcarp. Highest content in organism of hybrid are lead, cobalt, and cadmium. Highest concentration of heavy metals in our investigations was recorded in gills, because it is the first defence line of fish organism from environmental pollutants.
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International Letters of Natural Sciences
International Letters of Natural Sciences MULTIDISCIPLINARY SCIENCES-
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