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Fish Communities On Natural And Artificial Reefs In The Eastern Gulf Of Mexico, Elizabeth C. Viau
Fish Communities On Natural And Artificial Reefs In The Eastern Gulf Of Mexico, Elizabeth C. Viau
USF Tampa Graduate Theses and Dissertations
Artificial reefs have been deployed throughout the world’s oceans to act as habitat and fishing enhancement tools. To expand current research on the role of artificial reefs in the marine community, ordination and multivariate regression methods were used here to analyze survey data of natural and artificial reefs. The reefs, located in the Northern Gulf of Mexico (NGOM) and on the West Florida Shelf (WFS), had been previously surveyed from 2004 to 2015 using remote operated vehicle and stationary video techniques. This study tested the hypothesis that similar functional roles are accounted for at both natural and artificial reef sites …
Regeneration Of Trace Metals During Phytoplankton Decay: An Experimental Study, Adrienne P. Hollister
Regeneration Of Trace Metals During Phytoplankton Decay: An Experimental Study, Adrienne P. Hollister
USF Tampa Graduate Theses and Dissertations
Trace metals act as important nutrients, and sometimes toxins, to phytoplankton and other marine microorganisms. When phytoplankton decay, the elements in their cells are released back into the water column through regeneration (also referred to as remineralization), one of the processes responsible for governing concentrations of dissolved trace metals and macronutrients in depth profiles. In order to experimentally study regeneration, controlled experimental incubations of mixed phytoplankton assemblages from the Gulf of Mexico (GoM) and monocultures of the diatom Pseudo-nitzschia dolorosa and the dinoflagellate Karenia brevis were placed in the dark and monitored as they decayed with naturally present bacteria. Over …