Читать книгу Selenium Contamination in Water - Группа авторов - Страница 36

Se is widely present in nature. The distribution of Se in soil, water, and air is either by natural routes or by anthropogenic activities. Plant–soil environments undergo different Se functions, speciation, metabolism, and biological transformation which have different consequences in human and animal health (El‐Ramady et al. 2014a). Within the environment, transformation of Se is continuously happening from one chemical form to another. Some of the sources are presented below.