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Full-Text Articles in Life Sciences
Daphnia Pulex: The Mixed Messages Of Mutations , Matthew Randall Bruner
Daphnia Pulex: The Mixed Messages Of Mutations , Matthew Randall Bruner
Theses and Dissertations
While mutations are almost universally considered to be more often deleterious than beneficial, their precise interactions between different populations and individual lines have been largely overlooked. Using mutation accumulation lines of four clones of obligately asexual Daphnia pulex, this research is intended to investigate the degree to which spontaneous mutation would affect fitness-related traits after roughly 100 generations. The expectation was that there would be a visible decrease in juvenile specific growth rate, the surrogate measurement used for fitness, across all four clones due to the deleterious nature of mutation in a selection free environment. Through measuring birth mass in …
Zooplankton Community Structure And Grazing Within A Stormwater Detention Pond In Coastal South Carolina, Kristen Laccetti
Zooplankton Community Structure And Grazing Within A Stormwater Detention Pond In Coastal South Carolina, Kristen Laccetti
Theses and Dissertations
Stormwater detention ponds (SDPs) on the coast of South Carolina have become increasingly prevalent as the area experiences rapid urbanization. SDPs are man-made reservoirs implemented to minimize pollution inputs into receiving waters and are home to diverse biota, including zooplankton. Zooplankton are a good water quality indicator due to their quick response times and trophic regulators of phytoplankton through grazing. Zooplankton and phytoplankton interactions in stormwater detention ponds are an essential component for understanding plankton community dynamics in SDPs. This purpose of this study was to determine the seasonal variability in zooplankton community composition and grazing rates at 14-day intervals …