Selenium bioaccumulation and hazards in a fish community affected by coal fly ash effluent

被引:37
作者
Besser, JM
Giesy, JP
Brown, RW
Buell, JM
Dawson, GA
机构
[1] MICHIGAN STATE UNIV, ANIM HLTH DIAGNOST LAB, E LANSING, MI 48824 USA
[2] MICHIGAN STATE UNIV, DEPT FISHERIES & WILDLIFE, E LANSING, MI 48824 USA
[3] MICHIGAN STATE UNIV, INST ENVIRONM TOXICOL, E LANSING, MI 48824 USA
[4] MICHIGAN STATE UNIV, PESTICIDE RES CTR, E LANSING, MI 48824 USA
[5] CONSUMERS POWER CO, DEPT ENVIRONM, JACKSON, MI 49201 USA
关键词
D O I
10.1006/eesa.1996.0076
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Bioaccumulation of selenium (Se) in the fish community of Pigeon River/Pigeon Lake, which receives inputs of Se from a coal fly ash disposal facility, was studied to assess potential hazards of Se to fish, wildlife, and humans. Se concentrations in fish from sites receiving seepage and effluents from fly ash disposal ponds were significantly greater than those in fish from upstream, where Se concentrations were near background concentrations. Se concentrations differed among fish species, and interspecific variation was greatest at the most contaminated locations, Differences in Se bioaccumulation among fish species were not consistently associated with differences in trophic status. Although Se concentrations in northern pike were consistently less than those in likely prey species, large yellow perch contained Se concentrations as great as those in spottail shiners, their likely prey. Se bioaccumulation may have been influenced by differences in habitat preferences, as limnetic species generally contained greater Se concentrations than benthic species. Se concentrations in fish from the lower Pigeon River and Pigeon Lake did not exceed lowest observable adverse effect concentrations (LOAECs) for Se in tissues of fish species, but exceeded LOAECs for dietary Se exposure of sensitive species of birds and mammals. Human consumption of moderate quantities of fish from the areas studied should not result in excessive Se intake. (C) 1996 Academic Press, Inc.
引用
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页码:7 / 15
页数:9
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