Gill lesions and death of bluegill in an acid mine drainage mixing zone

Theodore B Henry, Elise R Irwin, John M Grizzle, William G Brumbaugh, Mark L Wildhaber

    Research output: Contribution to journalArticle

    Abstract

    The toxicity of an acid mine drainage (AMD) mixing zone was investigated by placing bluegill (Lepomis macrochirus) at the confluence of a stream contaminated by AMD and a stream having neutral pH. A mixing channel receiving water from both streams was assembled in the field, during July and October 1996, to determine the toxicity of freshly mixed and aged water (2.9-7.5 min). The AMD stream had elevated concentrations of Al and Fe, which precipitated upon mixing, and of Mn, which did not precipitate in the mixing zone. Fish exposed to freshly mixed water had higher mortality than fish exposed to water after aging. Precipitating Al, but not Fe, accumulated on the gills of bluegill, and accumulation was more rapid early during the mixing process than after aging. Fish exposed for 3.5 h to freshly mixed water had hypertrophy and hyperplasia of gill filament and lamellar epithelial cells. Similar lesions were observed after 6.0 h in fish exposed to water aged after mixing. Results demonstrated that Al was the predominant metal accumulating on the gills of fish in this AMD mixing zone, and that mixing zones can be more toxic than AMD streams in equilibrium.

    Original languageEnglish
    Pages (from-to)1304-1311
    Number of pages8
    JournalEnvironmental Toxicology and Chemistry
    Volume20
    Issue number6
    DOIs
    Publication statusPublished - Jun 2001

    Keywords

    • TROUT
    • LOW PH
    • fish
    • WATERS
    • histopathology
    • RIVER
    • aluminum
    • STREAMS
    • MORTALITY
    • CHEMISTRY
    • metal precipitation
    • TOXICITY
    • ALUMINUM
    • SALMO-TRUTTA L

    Cite this

    Henry, Theodore B ; Irwin, Elise R ; Grizzle, John M ; Brumbaugh, William G ; Wildhaber, Mark L. / Gill lesions and death of bluegill in an acid mine drainage mixing zone. In: Environmental Toxicology and Chemistry. 2001 ; Vol. 20, No. 6. pp. 1304-1311.
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    abstract = "The toxicity of an acid mine drainage (AMD) mixing zone was investigated by placing bluegill (Lepomis macrochirus) at the confluence of a stream contaminated by AMD and a stream having neutral pH. A mixing channel receiving water from both streams was assembled in the field, during July and October 1996, to determine the toxicity of freshly mixed and aged water (2.9-7.5 min). The AMD stream had elevated concentrations of Al and Fe, which precipitated upon mixing, and of Mn, which did not precipitate in the mixing zone. Fish exposed to freshly mixed water had higher mortality than fish exposed to water after aging. Precipitating Al, but not Fe, accumulated on the gills of bluegill, and accumulation was more rapid early during the mixing process than after aging. Fish exposed for 3.5 h to freshly mixed water had hypertrophy and hyperplasia of gill filament and lamellar epithelial cells. Similar lesions were observed after 6.0 h in fish exposed to water aged after mixing. Results demonstrated that Al was the predominant metal accumulating on the gills of fish in this AMD mixing zone, and that mixing zones can be more toxic than AMD streams in equilibrium.",
    keywords = "TROUT, LOW PH, fish, WATERS, histopathology, RIVER, aluminum, STREAMS, MORTALITY, CHEMISTRY, metal precipitation, TOXICITY, ALUMINUM, SALMO-TRUTTA L",
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    Gill lesions and death of bluegill in an acid mine drainage mixing zone. / Henry, Theodore B; Irwin, Elise R; Grizzle, John M; Brumbaugh, William G; Wildhaber, Mark L.

    In: Environmental Toxicology and Chemistry, Vol. 20, No. 6, 06.2001, p. 1304-1311.

    Research output: Contribution to journalArticle

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    AU - Henry, Theodore B

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    AU - Grizzle, John M

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