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    Using Computer Tools to Automate Age and Growth Measurements from Fish Otoliths

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    File(s)
    SchulzSpr2012.pdf (1.046Mb)
    Date
    2012-04
    Author
    Schulz, Corey
    Mosher, Winston
    Advisor(s)
    Stevenson, Daniel E.
    Johnson, Christopher R.
    Lonzarich, David
    Metadata
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    Abstract
    Otoliths are calcium carbonate structures found in the inner ear of fish. Otoliths have been found to create daily growth rings and can therefore be used to establish fish age. In this study over 500 fish otoliths were counted by microscope and then Julian age was determined by back calculation. The expectation of this study was that differences in the physical and biological conditions of two study streams would manifest in different patterns of growth and survival for stream rearing coho salmon.
    Subject
    Fishes--Life cycles--Mathematical models
    Computer algorithms
    Otoliths--Research
    Coho salmon--Mortality--Mathematical models
    Coho salmon--Growth--Environmental aspects
    Posters
    Permanent Link
    http://digital.library.wisc.edu/1793/63376
    Description
    Color poster with text, diagrams, images, charts, graphs, and tables.
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    • Student Research Day

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