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Articles 1 - 10 of 10
Full-Text Articles in Biodiversity
Analyzing The Shark Paleoecology Of Coastal Georgia From The Miocene And Pliocene Epochs, Joshua Lee Clark, Benjamin Angalet
Analyzing The Shark Paleoecology Of Coastal Georgia From The Miocene And Pliocene Epochs, Joshua Lee Clark, Benjamin Angalet
Georgia Journal of Science
The field of shark paleoecology often yields indecisive conclusions based on the limited fossilization of their anatomical structures, with the exception of their teeth. The majority of the Atlantic coast has been studied regarding the presence of certain prehistoric shark species from the Miocene, Pliocene, and Pleistocene epochs. However, information pertaining to the Georgia coast and understanding its potential community structure is relatively understudied. This study was conducted in which thousands of fossil shark specimens and subsequent marine fauna were collected from dredge spoils created by the US Army Corps of Engineers (USACE): Savannah District. A total of 5,127 fossil …
Freshwater Macroinvertebrate Communities In Baldwin County, Georgia, Heath Michael Ghioto, Michelle K. Murdock, Nadya S. Gutierrez, Kristine N. White Ph.D.
Freshwater Macroinvertebrate Communities In Baldwin County, Georgia, Heath Michael Ghioto, Michelle K. Murdock, Nadya S. Gutierrez, Kristine N. White Ph.D.
Georgia Journal of Science
Freshwater ecosystems are critical habitats for maintaining biodiversity, often providing refuge for organisms especially in urban settings. Baldwin County, GA is home to many freshwater lakes that are part of the Oconee River watershed. Despite ongoing water quality monitoring, aquatic macroinvertebrates are under studied in the area. Aquatic macroinvertebrate diversity of one forested and one residential lake in Milledgeville, GA was documented for the first time. Despite low sample size, community composition was significantly different between lakes, with 27 families in Lake Laurel (forested), 44 families in Lake Oliver Hardy (residential), and only 19 families collected from both lakes. Seasonal …
Regional Aquatic Macroinvertebrate Biodiversity, Sally Sir, Kris N. White Ph.D.
Regional Aquatic Macroinvertebrate Biodiversity, Sally Sir, Kris N. White Ph.D.
Georgia Journal of Science
Macroinvertebrates are sensitive to environmental conditions, giving them the ability to be utilized in studies indicating the health of their environment. Additionally, macroinvertebrates are an important food source for vertebrates and invertebrates. Since macroinvertebrates play such significant roles in the ecosystem, it is important to identify and document their presence. In order to begin documenting the macroinvertebrates in central Georgia, aquatic macroinvertebrates were collected from ten sampling sites along a transect of central Georgia. Live specimens were imaged, preserved, identified, and sequenced. COI mitochondrial DNA and 18s nuclear DNA and 3D images of the organisms were made publicly available. The …
Increasing Capture Rates Of Grassland Birds Over Thirteen Years Indicates Successful Restoration, Katie Stumpf, Charles Muise
Increasing Capture Rates Of Grassland Birds Over Thirteen Years Indicates Successful Restoration, Katie Stumpf, Charles Muise
Georgia Journal of Science
Grassland bird populations are being lost at an alarming rate due to human modifications to grassland ecosystems. Grassland restoration has been shown to mitigate population declines for many species that use these habitats at some point in their annual cycles. We examined capture rates of adult, breeding, and hatch-year birds at a restored grassland site in the piedmont of central Georgia to determine whether colonization, breeding success, hatching success, and recruitment processes were impacting populations of grassland birds. We banded birds approximately twice per month from January 2009 through December 2021 at Panola Mountain State Park. Restoration efforts started in …
Results Of A Fall And Spring Bioblitz At Grassy Pond Recreational Area, Lowndes County, Georgia., Emily Cantonwine, James Nienow, Mark Blackmore, Brandi Griffin, Brad Bergstrom, David Bechler, Timothy Henkel, Christopher A. Slaton, James Adams, Arthur Grupe, Malcolm Hodges, Gregory Lee
Results Of A Fall And Spring Bioblitz At Grassy Pond Recreational Area, Lowndes County, Georgia., Emily Cantonwine, James Nienow, Mark Blackmore, Brandi Griffin, Brad Bergstrom, David Bechler, Timothy Henkel, Christopher A. Slaton, James Adams, Arthur Grupe, Malcolm Hodges, Gregory Lee
Georgia Journal of Science
Two 24 h BioBlitzes were conducted in September, 2018, and April, 2019, at Grassy Pond Recreational Area in Lowndes County, Georgia. Teams of scientists, students, and public participants surveyed plants, insects, amphibians and reptiles, birds, mammals, fungi, lichens, and aquatic microorganisms. Both events included educational programs with informational walks and activities targeted to youth. In the fall, 654 species and 55 additional genera were recorded. In the spring, there were 581 species and 54 additional genera recorded. Two fungi and 38 lichens were first reports for Lowndes County; one fungus was a first for Georgia. One lichen may be a …
A Tentative List Of The Land Snails Of Georgia, U.S.A., Zachary I. Felix, Michael A. Dubuc, Hassan A. Rana
A Tentative List Of The Land Snails Of Georgia, U.S.A., Zachary I. Felix, Michael A. Dubuc, Hassan A. Rana
Georgia Journal of Science
Because of their high ecological and conservation value, and because we know so little about the group, we compiled a systematic if tentative list of land snails from the state of Georgia. After gleaning a list of species from a monograph on the land snails of eastern United States, written by Leslie Hubricht in 1985, we realized that many species whose ecological requirements are found in Georgia had not been documented there. Therefore, we developed a qualitative model to predict the likelihood that these candidate species occur in Georgia and would eventually be documented. We tested the model with collections …
Fire History Of A Georgia Montane Longleaf Pine (Pinus Palustris) Community, Nathan Klaus
Fire History Of A Georgia Montane Longleaf Pine (Pinus Palustris) Community, Nathan Klaus
Georgia Journal of Science
Montane longleaf pine forests, woodlands, and savannas are endangered, fire-dependent ecosystems of the Piedmont, Ridge and Valley, Appalachian, and Cumberland Plateau physiographic provinces of Georgia, Alabama, and North Carolina. Compared to other longleaf pine ecosystems, e.g., longleaf pine-wiregrass, little has been published about montane longleaf pine ecosystems. Understanding the historic fire regimes that once maintained montane longleaf pine ecosystems is an important first step toward achieving restoration and conservation goals for this ecosystem. I used two approaches to investigate historic fire regimes: 1) a dendrochronological study of fire scars on Sprewell Bluff Natural Area and 2) calculations of the average …
Effects Of A Prescribed Burn On The Adult Butterfly Assemblage Of A Coastal Grassland, J. Nicole Desha, Joseph Colbert, Kimberly M. Andrews, Scott Coleman, C. Tate Holbrook
Effects Of A Prescribed Burn On The Adult Butterfly Assemblage Of A Coastal Grassland, J. Nicole Desha, Joseph Colbert, Kimberly M. Andrews, Scott Coleman, C. Tate Holbrook
Georgia Journal of Science
Coastal grasslands are globally threatened by development and natural succession. In the southeastern United States, these increasingly rare ecosystems are being managed using prescribed fire, but ecological responses to fire management are largely unknown, particularly among nontargeted species. We tested for short-term effects of controlled burning on the abundance and species richness of adult butterflies, which utilize coastal grasslands for nectaring resources and as migratory stopover sites. In February 2015, four plots of coastal grassland on Little St. Simons Island, GA were burned and paired with unburned (control) plots of equal size. Throughout the following summer-fall flight season, we conducted …
A Contribution To The Tardigrade Fauna Of Georgia, Usa, Juliana G. Hinton, Harry A. Meyer, Brad Peet
A Contribution To The Tardigrade Fauna Of Georgia, Usa, Juliana G. Hinton, Harry A. Meyer, Brad Peet
Georgia Journal of Science
Tardigrada (water bears) is a phylum of microscopic animals commonly found in mosses, lichens, leaf litter, and freshwater. There are no published records of marine tardigrades from Georgia. Twelve species have been reported from four counties in the state of Georgia, USA. Eighteen species of water bear were present in lichen, moss, and leaf litter samples from eight additional counties in northern and central Georgia. Ten species – Pseudechiniscus suillus, Milnesium bohleberi, Hypsibius convergens, Astatumen trinacriae, Macrobiotus anemone, Macrobiotus cf. echinogenitus, Macrobiotus cf. islandicus, Macrobiotus spectabilis, Paramacrobiotus cf. areolatus, and Paramacrobiotus …
Population Genetic Divergence Of Isle Royale Pearl Dace, Margarita Margariscus (Cyprinidae)., John F. Elder Jr., Jack R. Martin, Isaac J. Schlosser, Larry Kallemeyn
Population Genetic Divergence Of Isle Royale Pearl Dace, Margarita Margariscus (Cyprinidae)., John F. Elder Jr., Jack R. Martin, Isaac J. Schlosser, Larry Kallemeyn
Georgia Journal of Science
In 1949, Hubbs and Lagler described morphological variation among pearl dace (Margariscus margarita) of inland lakes on Isle Royale, Michigan. For Harvey Lake, Hubbs and Lagler, proposed that pearl dace were sufficiently morphologically distinct to warrant subspecific status. They argued that divergence of the Harvey Lake pearl dace was due to allopatric differentiation in isolation from lower elevation lakes. Harvey Lake has been isolated by elevation from lower elevation lakes for approximately 10 to 15 thousand years. No genetic studies have been done on Isle Royale pearl dace to evaluate this hypothesis to date. Here we report the analysis of …