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    Quantifying the Impact Nitrogen and Phosphorus Levels on the Growth of Algae in Canyon Ferry Lake.

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    Author
    Cortner, Matthew; Denigan, Joy; McEuen, Katherine
    Date of Issue
    2020-04-24
    Subject Keywords
    Environmental Chemistry; Biochemistry/Molecular Biology
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    URI
    https://scholars.carroll.edu/handle/20.500.12647/10210; https://www.youtube.com/watch?v=zpoYfHIWYQM
    Title
    Quantifying the Impact Nitrogen and Phosphorus Levels on the Growth of Algae in Canyon Ferry Lake.
    Type
    Presentation
    Abstract
    Samples from the Canyon Ferry Lake were collected and spiked with different concentrations of phosphates (dipotassium phosphate) and nitrates (sodium nitrate). The added nitrogen concentrations ranged from 0 to 5 ppm and the added phosphorus concentration ranged from 0 to 1 ppm. The nitrogen and phosphorus spiked Canyon Ferry Lake water samples were incubated for two weeks under a 12-hour illumination cycle. The chlorophyll a concentration, which is known to correlate to algae population, of the samples were then analyzed via high-performance liquid chromatography (HPLC) and steady state ultraviolet-visible (UV-Vis) spectroscopy. The largest algae growth was found with 1.5 ppm nitrogen and 0.2 ppm phosphorus added. The possible implications for these findings for the management of Canyon Ferry Lake aquatic ecosystem will be discussed.
    Semester
    Spring
    Department
    Chemistry
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