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Aquatic indicator bacteria in the high alpine zone

S A Stuart, G A McFeters, J E Schillinger

    Applied and Environmental Microbiology
    |February 1, 1976
    PubMed
    Summary
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    Grand Teton National Park

    Area of Science:

    • Environmental science
    • Microbiology
    • Ecology

    Background:

    • High alpine zone waters in Grand Teton National Park were assessed for indicator bacteria.
    • Previous studies have not fully elucidated factors influencing alpine water quality.

    Purpose of the Study:

    • To determine the influence of various factors on indicator bacteria populations in alpine waters.
    • To assess the impact of human presence versus the natural biological community on water quality.

    Main Methods:

    • Analysis of indicator bacteria populations in selected alpine waters over three summers.
    • Identification of coliform and fecal streptococci species and their potential sources.

    Main Results:

    • Water quality was primarily influenced by the surrounding biological community, not human visitor presence.

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  • A minority of coliforms were fecal coliforms.
  • Fecal streptococci were linked to native rodent and moose populations.

    • Conclusions:

    • Alpine water quality is more dependent on the natural ecosystem than human activity.
    • Management of alpine areas should incorporate biological parameters beyond just indicator bacteria levels.