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- Thesis; University of North Florida; UNF; Dissertations (2)
- Academic -- UNF -- Biology; floating treatment wetland; C. flaccida; I. hexagona; S. lancifolia; Beemats; nutrient pollution (1)
- Academic -- UNF -- Master of Science in Biology; Dissertations (1)
- Academic – UNF – Biology (1)
- Academic – UNF – Master of Science in Biology; Dissertations (1)
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- Collagen (1)
- Dermis (1)
- Ecomorphologies (1)
- Elastin (1)
- Sharks (1)
- Swimming mode (1)
- Thesis; University of North Florida; UNF; Dissertations; Academic -- UNF -- Master of Science in Biology; Dissertations; Academic -- UNF -- Biology; cyanobacteria; harmful algal blooms; oxidative stress; PCD; salt stress; Microcystis aeruginosa (1)
Articles 1 - 4 of 4
Full-Text Articles in Biology
Histological Comparison Of Shark Dermis Across Various Ecomorphologies, Olivia Schuitema
Histological Comparison Of Shark Dermis Across Various Ecomorphologies, Olivia Schuitema
UNF Graduate Theses and Dissertations
The integument plays essential roles in the structural support, protection, and hydrodynamic capability among fishes. Most shark skin research has been done on the external epidermal layer containing the dermal denticles, while the larger dermis layer has been mostly ignored. The dermis layer in sharks is composed of two layers, the upper stratum laxum and the lower stratum compactum, holding supportive collagen and elastin fibers. There may be morphological and compositional differences in the dermis layers across various species of sharks, although the extent of such is unknown. These potential differences may be represented by various dermal thicknesses and different …
The Performance Of Simple Artificial Floating Wetland Communities And Their Effects On Aquatic Nutrient Levels And Algal Abundance, Bradley L. Sleeth
The Performance Of Simple Artificial Floating Wetland Communities And Their Effects On Aquatic Nutrient Levels And Algal Abundance, Bradley L. Sleeth
UNF Graduate Theses and Dissertations
Harmful algal blooms are exponential increases in autotrophic microorganisms that proliferate in such a way that the surrounding environment, the local economy and the health of regional populations are negatively affected. Among the causes of these blooms are anthropogenic inputs of excess nitrogen and phosphorus into the environment through overfertilization. Floating treatment wetlands (FTW) have emerged as a novel method of reducing the negative impacts of these nutrient inputs by using artificial rafts to float normally emergent wetland plants on the surface of water bodies to assimilate excess nutrients. Because their use is so new, only limited research has been …
Effects Of Elevated Salinity And Oxidative Stress On The Physiology Of The Toxigenic Cyanobacterium Microcystis Aeruginosa, Billy Christopher Warhurst
Effects Of Elevated Salinity And Oxidative Stress On The Physiology Of The Toxigenic Cyanobacterium Microcystis Aeruginosa, Billy Christopher Warhurst
UNF Graduate Theses and Dissertations
Harmful algal blooms (HABs) are found worldwide, particularly in places where warm, well-lit, and stagnant waters are common. HABs can have negative effects on aquatic plants and wildlife due to the reduction in light availability associated with turbidity, decrease in O2 availability, and the production of secondary metabolites that can harm or even prove lethal. Aquatic ecosystems are regularly being affected by elevated salinity because of recent water management strategies, episodes of drought, and salt water intrusion. This research focused on how salinity levels ranging from 0-10ppt affected physiological attributes such as cellular growth and abundance, cell mortality, toxin …
Physiology And Biochemistry Of The Tropical Seagrass Thalassia Testudinum In Response To Hypersalinity Stress And Labyrinthula Sp. Infection, Stacey Marie Trevathan-Tackett
Physiology And Biochemistry Of The Tropical Seagrass Thalassia Testudinum In Response To Hypersalinity Stress And Labyrinthula Sp. Infection, Stacey Marie Trevathan-Tackett
UNF Graduate Theses and Dissertations
Seagrass meadows are essential to coastal ecosystems and have experienced declines in abundance due to a series of environmental stressors including elevated salinity and incidence of disease caused by the pathogen Labyrinthula sp. This thesis evaluated the dynamics between T. testudinum and Labyrinthula concerning the impacts of short term elevated salinity stress on the early stages of infection in Thalassia testudinum (Chapter 2) as well as the presence of anti-labyrinthulid secondary metabolites produced by the tropical seagrass (Chapter 3). The results showed that short term exposure to hypersalinity alters some cellular processes but does not necessarily lead to an immediate …