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Biofilm mediated uptake of selenium in streams with mountaintop coal mine drainage
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Limnology.
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2017 (English)In: Limnologica, ISSN 0075-9511, E-ISSN 1873-5851, Vol. 65, 10-13 p.Article in journal (Refereed) Published
Abstract [en]

Selenium (Se) may cause reproductive toxicity, yet the characteristics of Se bioaccumulation in aquatic food webs are understudied. Stream biofilms were grown in two reaches of Mud River, West Virginia (WV), including one downstream of a coal mine complex and an adjacent, unmined watershed. Mined stream biofilms contained significantly higher Se concentrations compared to unmined biofilms. An inverse relationship between water Se concentrations and biofilm accumulation factors was observed; mined-stream biofilms had an average bioconcentration factor (BCF) of 688 ± 350 fold while unmined-stream biofilms had an average BCF of 14505 ± 2700 fold.

Place, publisher, year, edition, pages
Elsevier , 2017. Vol. 65, 10-13 p.
Keyword [en]
Bioaccumulation, Biofilm, Mountaintop removal coal mining, Selenium
National Category
Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:uu:diva-334875DOI: 10.1016/j.limno.2017.05.002OAI: oai:DiVA.org:uu-334875DiVA: diva2:1161289
Available from: 2017-11-29 Created: 2017-11-29 Last updated: 2017-11-29

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