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Life Sciences

University of Central Florida

HIM 1990-2015

Theses/Dissertations

Algal blooms; Indian river lagoon; Macroalgae; Seagrass

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The Use Of Stable Isotopes To Assess Potential Effects Of Algal Blooms On Seagrass And Macroalgae Communities In The Indian River Lagoon, Florida, Alexandra Azcona May 2014

The Use Of Stable Isotopes To Assess Potential Effects Of Algal Blooms On Seagrass And Macroalgae Communities In The Indian River Lagoon, Florida, Alexandra Azcona

HIM 1990-2015

Algal blooms have caused significant losses in seagrass and macroalgae in the Indian River Lagoon, FL. To gain an understanding of these effects, samples of Gracilaria sp., Halodule wrightii, pinfish, and white mullet were taken throughout October and November of 2013. Samples from 2001 of Gracilaria sp., Halodule wrightii, Syringodium filiforme, Thalassia testudinum, pinfish, spotted seatrout, and white mullet were also obtained. Stable isotope data were obtained from these samples and compared by year and species. Halodule wrightii and pinfish had a significantly larger 2013 [delta]C13 values. Halodule wrightii also displayed lower total %C and total %N averages for 2013 …