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  • The effect of flow impedance on deposition of Cryptosporidium parvum oocysts with or without a vetiver buffer strip

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    Author(s)
    Hussein, Janet
    Ghadiri, Hossein
    Lutton, Mavourneen
    Smolders, Andrew
    Schneider, Peter
    Griffith University Author(s)
    Ghadiri, Hossein
    Hussein, Janet
    Year published
    2008
    Metadata
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    Abstract
    Abstract Cryptosporidium parvum oocysts can be transported in overland flow from faecal deposits of grazing animals causing potential water contamination problems. Deposition of oocysts can occur when overland flow encounters vegetative buffers and its transport capacity is decreased in the upslope backwater region. Deposition of oocysts was investigated using a large rainfall simulator, with and without a vetiver buffer strip. Oocysts-spiked slurries were applied to two contrasting soils and the resultant oocyst/sediment depositions from the flow were compared. The buffers substantially reduced suspended sediment loads ...
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    Abstract Cryptosporidium parvum oocysts can be transported in overland flow from faecal deposits of grazing animals causing potential water contamination problems. Deposition of oocysts can occur when overland flow encounters vegetative buffers and its transport capacity is decreased in the upslope backwater region. Deposition of oocysts was investigated using a large rainfall simulator, with and without a vetiver buffer strip. Oocysts-spiked slurries were applied to two contrasting soils and the resultant oocyst/sediment depositions from the flow were compared. The buffers substantially reduced suspended sediment loads from the two soils and increased the number of oocysts retained in the soil with >99% of the soil-oocysts being deposited upslope of the buffer.
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    Journal Title
    Soil Biology & Biochemistry
    Volume
    40
    Publisher URI
    http://www.elsevier.com/wps/find/journaldescription.cws_home/332/description#description
    DOI
    https://doi.org/10.1016/j.soilbio.2008.06.022
    Copyright Statement
    © 2008 Elsevier. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Environmental sciences
    Biological sciences
    Agricultural, veterinary and food sciences
    Publication URI
    http://hdl.handle.net/10072/21270
    Collection
    • Journal articles

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