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    The toxicity of creosote treated wood to pacific herring (Clupea pallasi) embryos and characterization of polycyclic aromatic hydrocarbons near creosoted pilings in Juneau, Alaska

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    Duncan_uaf_0006N_10225.pdf
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    Author
    Duncan, Danielle
    Chair
    Stekoll, Michael
    Committee
    Rice, Stanley
    Perkins, Robert
    Gharrett, Anthony
    Metadata
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    URI
    http://hdl.handle.net/11122/4673
    Abstract
    These studies documented creosote toxicity to developing Pacific herring (Clupea pallasi) embryos at low microgram per liter concentrations and determined that detrimental concentrations of polycyclic aromatic hydrocarbons (PAHs) near creosoted pilings exist. Creosote total PAH concentrations of 7 μg/L resulted in skeletal defects and ineffective swimming in hatched larvae and represent a lowest observed effect concentration (LOEC) for Pacific herring embryos not previously defined. In the field, PAHs consistent with creosote were elevated at distances up to a meter from creosoted pilings in some cases. Concentrations likely sufficient to induce teratogenic effects were found directly on creosoted pilings and within ten centimeters of pilings. Cumulatively, these studies provide useful and needed data on the interactions between Pacific herring embryos and creosoted pilings in the nearshore environment.
    Description
    Thesis (M.S.) University of Alaska Fairbanks, 2014.
    Table of Contents
    General introduction -- Pacific herring distribution and value -- Pacific herring ecology -- Creosote chemistry -- Creosote toxicity and bioavailability -- Previous studies on creosote toxicity to Pacific herring embryos -- Environmental impact and fate of creosote -- Objective -- References -- Chapter 1: The toxicity of creosote treated wood to pacific herring (Clupea pallasi) embryos -- Chapter 2: Characterization of polycyclic aromatic hydrocarbons near creosoted pilings in Juneau, Alaska -- General conclusions -- Appendix.
    Date
    2014-08
    Type
    Thesis
    Collections
    Fisheries

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