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Articles 1 - 6 of 6
Full-Text Articles in Life Sciences
Leaf Anatomy, Morphology, And Water Potential Of Ipomoea Brasiliensis, Croton Punctatus, And Hydrocotyle Bonariensis Growing On The Dunes Of Sapelo Island, Georgia, Thomas E. Hancock, Joseph Watson, Micah Burks
Leaf Anatomy, Morphology, And Water Potential Of Ipomoea Brasiliensis, Croton Punctatus, And Hydrocotyle Bonariensis Growing On The Dunes Of Sapelo Island, Georgia, Thomas E. Hancock, Joseph Watson, Micah Burks
Georgia Journal of Science
Barrier islands are a common geological feature found along the Atlantic and Gulf Coasts of the United States. Researchers have historically described barrier islands, and in particular dune habitats, as being physically controlled. Dune plant species experience high surface temperatures, low water-holding capacity of the substrate, sand movement, salt aerosols, high solar irradiance, and saltwater overwash. In this study, we investigated characteristics of three common plant species growing on the dunes of Sapelo Island, Georgia to understand how they survive and apparently thrive in the harsh, transient, and dynamic environment. Specifically, we examined leaf size, leaf thickness, stomatal frequency, internal …
Antibiotic-Resistant Gram-Negative Bacteria In A Local Wastewater Treatment Plant In North Georgia, Nou Moua, Lindsay Mccuen, Sarah White, Swapna Bhat, Margi Flood, Jeanelle Morgan
Antibiotic-Resistant Gram-Negative Bacteria In A Local Wastewater Treatment Plant In North Georgia, Nou Moua, Lindsay Mccuen, Sarah White, Swapna Bhat, Margi Flood, Jeanelle Morgan
Georgia Journal of Science
Antibiotics are some of the most essential lifesaving drugs currently available to us against infectious diseases. Several pathogens are developing resistance to these drugs and many have become resistant to multiple antibiotics. Such multi-drug resistance is becoming a global issue and has been found in many environments including wastewater treatment plants (WWTPs). In this study, we sampled a local WWTP for antibiotic-resistant bacteria. This WWTP is in North Georgia and runs directly into Lake Lanier, which is the main source of drinking water for the Atlanta area as well as a popular spot for water recreation. We obtained treated and …
The Effects Of Ocean Acidification On Sea Urchin Larval Survivorship And Development In Lytechinus Variegatus And Arbacia Punctulata, Emily Pace, Kacie Miller*, Nancy Dalman, Margaret (Meg) Smith
The Effects Of Ocean Acidification On Sea Urchin Larval Survivorship And Development In Lytechinus Variegatus And Arbacia Punctulata, Emily Pace, Kacie Miller*, Nancy Dalman, Margaret (Meg) Smith
Georgia Journal of Science
Accumulated carbon dioxide in the atmosphere is one of the driving factors in ocean acidification as oceanic absorption of carbon dioxide alters ocean chemistry. Lower concentrations of carbonate ions and higher concentrations of hydrogen ions in the water adversely affect marine organisms, including sea urchin larvae, that use calcium carbonate in their skeletal structures. While there is a wide body of literature demonstrating an impact of lowered pH on sea urchin larval development and survival, it is unclear if the method of pH manipulation and the species being studied influences the results. To address this, we compared two commonly employed …
Ecological And Educational Impacts Of A Living Shoreline On St. Simons Island, Georgia, Usa, C. Tate Holbrook, Cameron Atkinson, Jordan Fountain, Stephanie Knox, Jan Mackinnon
Ecological And Educational Impacts Of A Living Shoreline On St. Simons Island, Georgia, Usa, C. Tate Holbrook, Cameron Atkinson, Jordan Fountain, Stephanie Knox, Jan Mackinnon
Georgia Journal of Science
Living shorelines encompass a range of nature-based alternatives to traditional coastal armoring structures. In addition to shoreline stabilization and protection, living shorelines are intended to meet conservation goals such as restoring habitat, delivering ecosystem services, and promoting ecological resilience to climate change. While early results have been promising, further monitoring is needed to better understand and evaluate the performance of living shorelines across a range of designs and environmental contexts, thereby informing coastal management. Nature-based shoreline protection is relatively new in Georgia, USA, where in 2015 the state’s fourth living shoreline was constructed of oyster shell and native plants on …
A Survey Of Fusarium Oxysporum In Georgia Hemp Farms And Vegetable Gardens, Christopher D. Burt
A Survey Of Fusarium Oxysporum In Georgia Hemp Farms And Vegetable Gardens, Christopher D. Burt
Georgia Journal of Science
Recent changes in U.S. federal law have recognized the genetic and chemical differences between hemp and marijuana (Cannabis sativa L.), resulting in the legalization of hemp in the United States. The barriers to this plant’s growth in the state of Georgia are not well understood due to its prohibition for the past 80 years. Among the many possible obstacles is fungal disease. Fusarium oxysporum (Schlecht. emend. Snyder & Hansen) is a fungus that damages various crops and was previously researched as a biocontrol agent for C. sativa. Thus, this study surveyed hemp farms in Georgia to determine the prevalence …
Eristalis Tenax Movement Behavior In Response To Light, Temperature, And Food, Jeffery J. Zheng, Zdena M. Janderova, Jason D. Lang
Eristalis Tenax Movement Behavior In Response To Light, Temperature, And Food, Jeffery J. Zheng, Zdena M. Janderova, Jason D. Lang
Georgia Journal of Science
Drone flies, Eristalis tenax (Diptera: Syrphidae), are important generalist pollinators and visit flowers globally that range widely in color. The flies’ photoreceptors allow them to sense light wavelengths between 300-600 nm and E. tenax exhibit a positive phototactic response. To understand the effects of light on E. tenax movement, we conducted two-choice behavioral tests to determine their phototactic response to different wavelengths of light across the spectrum (ultraviolet to red light, plus full spectrum white light). The drone flies moved most and quickest toward sunlight, with almost twice the percentage of flies moving toward sunlight than toward black and …