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Selenium: An Insidious And Persistent Toxin With Long-Term Effects On Aquatic Wildlife

Date:
April 22, 2002
Source:
USDA Forest Service/Southern Research Station
Summary:
In an article in the April issue of Aquatic Toxicology, a USDA Forest Service researcher warns that the impacts of selenium on freshwater fish populations may become more widespread as human disturbance increases -- and that long-term effects may be underestimated.

Selenium, an essential nutrient for humans and animals, occurs as a trace element in most soils. Selenium can move into water systems when soil is disturbed by various types of development, or as a byproduct of fossil fuel combustion. When it occurs in higher than normal levels in water, selenium has been shown to cause malformations in fish and other aquatic wildlife.


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The above story is based on materials provided by USDA Forest Service/Southern Research Station. Note: Materials may be edited for content and length.


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USDA Forest Service/Southern Research Station. "Selenium: An Insidious And Persistent Toxin With Long-Term Effects On Aquatic Wildlife." ScienceDaily. ScienceDaily, 22 April 2002. <www.sciencedaily.com/releases/2002/04/020419064504.htm>.
USDA Forest Service/Southern Research Station. (2002, April 22). Selenium: An Insidious And Persistent Toxin With Long-Term Effects On Aquatic Wildlife. ScienceDaily. Retrieved April 16, 2014 from www.sciencedaily.com/releases/2002/04/020419064504.htm
USDA Forest Service/Southern Research Station. "Selenium: An Insidious And Persistent Toxin With Long-Term Effects On Aquatic Wildlife." ScienceDaily. www.sciencedaily.com/releases/2002/04/020419064504.htm (accessed April 16, 2014).

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