Selenium contaminated waters are produced by various industrial activities such as mining
(coal, hard rock, uranium and phosphate), refineries (metal and oil), power generation …

10Selenium is an essential trace element needed for all living organisms. Despite its
essentiality, selenium is a potential toxic element to natural ecosystems due to its …

Selenium is an essential micronutrient for humans and animals. But, due to its narrow
tolerance spectrum, selenium can be toxic at higher concentrations to all living beings …

During the last decades, the perception of selenium has undergone substantial changes.
While its toxic effects were recognized causing hair and hoof loss in animals during the …

Selenium pollution is a worldwide phenomenon and is associated with a broad spectrum of
human activities, ranging from the most basic agricultural practices to the most high-tech …

Selenium (Se) has caused several ecological disasters due to its toxicity and
bioaccumulation along trophic networks. Industrial activities that process fossil fuels and …

Selenium is an essential toxin that functions as essential micronutrient for maintaining good
health with a small safety margin, but is toxic at slightly higher concentrations or doses. It is …

Selenium is a naturally occurring trace element that can be concentrated and released in the
waste materials from certain mining, agricultural, petrochemical, and industrial …

Elevated levels of selenium have resulted in the degradation of several ecosystems and
have been linked to reproductive impairment in important fish and waterfowl populations in …

Selenium is toxic to aquatic life at very low levels and can also be harmful to human health.
Anthropogenic sources of selenium are wide spread including electronic and photography …