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Title
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A temporal study of marine microbial ecology in the coastal waters of Pensacola Beach.
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Author
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Simmering, Arianna Lee
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Abstract/Description
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Microbial communities are greatly influenced by natural environmental factors as well as disturbance and recovery due to anthropogenic effects and events. Of equal interest is their resiliency and recovery from those disturbances. For the purpose of this study, temporal was defined in three ways: seasonal variation, daily diel variation, and disturbance event effects and response. For the past three years, we maintained a bi-weekly sampling of water from the Pensacola Beach Pier to address...
Show moreMicrobial communities are greatly influenced by natural environmental factors as well as disturbance and recovery due to anthropogenic effects and events. Of equal interest is their resiliency and recovery from those disturbances. For the purpose of this study, temporal was defined in three ways: seasonal variation, daily diel variation, and disturbance event effects and response. For the past three years, we maintained a bi-weekly sampling of water from the Pensacola Beach Pier to address long term seasonal variability in biomass, productivity community structure, and physico-chemical parameters. Diel variation was measured using periods of increased sampling frequency to every six hours over a fifty-hour timespan. These diel samples were conducted quarterly in one year to compare seasonal variation. Temperature was the largest driving force in both long term and short-term variability for Pensacola Beach for the three years studied. Response to Hurricane Nate and Hurricane Michael was evaluated in years 2 and 3. Sampling was increased to once daily before, during, and after each storm either made landfall or passed by Pensacola Beach. Data from these storm events was compared to the previously defined typical values for that time of year using the time series to determine the disturbance effect and recovery period specific to the microbial ecology due to these storms. Data from both storms showed an immediate response in microbial communities with an equally rapid recovery period.
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Date Issued
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2020, 2020
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Identifier
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1233074794, WFE0000747
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Format
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Document (PDF)