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    The Effect of Substrate Size On Macroinvertebrate Distribution in Little Niagara

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    File(s)
    HillstromSpr15.pptx (4.546Mb)
    HillstromSpr15.pdf (2.122Mb)
    Date
    2015-04
    Author
    Ban-Herr, Allison
    Freeburg, Morgan
    Hillstrom, Alexandra
    Kralewski, Katlynn
    Advisor(s)
    Wellnitz, Todd A.
    Metadata
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    Abstract
    Our research objective was to investigate how rock substrate size influences macroinvertebrate species richness and abundance within Little Niagara Creek of the University of Wisconsin--Eau Claire campus. A restoration project of Little Niagara took place during the construction of the university's new Davies Center in 2012. Rocks and sediment were added to the stream during this time to enhance habitat and increase stream flow (Knight 2012). We predicted that medium-sized substrate would promote the greatest richness and contain the highest numbers of macroinvertebrates because the size of the interstitial spaces created would be large enough for organisms to find refuge from predators (e.g., crayfish), but not so large as to allow access to predators.
    Subject
    Caddisflies
    Hydropsychidae
    Little Niagara Creek (Eau Claire, Wis.)
    Rock substrate
    Posters
    Permanent Link
    http://digital.library.wisc.edu/1793/74440
    Type
    Presentation
    Description
    Color poster with text, photographs, and charts.
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