Abstract

Natural and anthropogenic processes contribute to the formation of excessive concentrations of nitrogen compounds in the biosphere. As a result of chemical reactions, this may lead to the synthesis of nitrosamines. Nitrosamines are toxic agents that show carcinogenic, mutagenic and teratogenic properties and have a negative effect on living beings. The data on the content of these substances in aquatic biota, primarily in fish, the dependence of their accumulation in aquatic organisms on seasonal factors, species and biological characteristics of fish, as well as on environmental conditions, including anthropogenic load are presented. Examples of the manifestation of carcinogenic, mutagenic and toxic properties of nitrosamines in aquatic and terrestrial organisms are given. Methods and techniques for assessing the ecological risk of nitrosamines in the natural environment and in aquatic biota, as well as the hazard to human health are shown.

中文翻译：

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水生生态系统中的亚硝胺：来源，形成，毒性，环境风险（综述）。2.水生生物的含量，生物效应和风险评估

摘要

自然和人为过程导致生物圈中氮化合物浓度过高。由于化学反应，这可能导致亚硝胺的合成。亚硝胺是有毒的物质，具有致癌性，诱变性和致畸性，会对生物产生负面影响。提供了有关这些物质在水生生物区系（主要是鱼类）中的含量，其在水生生物中的积累与季节因素，鱼类的物种和生物学特征以及环境条件（包括人为负荷）的相关性的数据。举例说明了亚硝胺在水生和陆生生物中的致癌，诱变和毒性。