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Articles 1 - 7 of 7
Full-Text Articles in Life Sciences
Soil Macroinvertebrates Responses To Wildfires In The Blue Ridge Mountains, Usa, Madeline Olliff
Soil Macroinvertebrates Responses To Wildfires In The Blue Ridge Mountains, Usa, Madeline Olliff
Biology Theses
Fire has been a prevalent disturbance on Earth for millions of years. Around the globe there are several regions that have become fire adapted, including the Southeastern United States. There have been few studies examining the effects of wildland fires on soil macroinvertebrates in the Blue Ridge Mountains, in spite of the importance of these animals to soil processes and their contributions to the biodiversity of these ecosystems. During the fall of 2016, the Southeastern USA experienced numerous, large wildfires. These fires offered an opportunity to study the effects of wildland fire on soil macroinvertebrates. We sampled sites from three …
Terrestrial Soldier Crab (Coenobita Clypeatus, Fabricius 1787) And Cerion Spp. (Röding 1798) Shell Relationship On San Salvador Island, Bahamas, Harley Hunt
Biology Theses
The Caribbean terrestrial soldier crab, Coenobita clypeatus(Fabricius 1787), coexist and utilize the shells of numerous species of land and marine gastropods. Soldier crabs rely on gastropod shells for protection as the crabs have a soft abdomen, leaving them vulnerable for predation and desiccation, threatening their survival. This creates a strong pressure to obtain well-fitting shells that provide adequate protection against water loss. Cerion of Röding (1798) shells are one of the most commonly used shells among living colonies of C. clypeatuson San Salvador Island. This study is interested in the frequency of shell use by C. clypeatus crabs …
Soil Macroinvertebrate Responses To Wildfires In The Blue Ridge Mountains, Usa, Madeline Nicole Olliff, Bruce Snyder, Mac Callaham Jr., Melanie K. Taylor
Soil Macroinvertebrate Responses To Wildfires In The Blue Ridge Mountains, Usa, Madeline Nicole Olliff, Bruce Snyder, Mac Callaham Jr., Melanie K. Taylor
Graduate Research Showcase
Title: Soil Macroinvertebrate Responses to Wildfires in the Blue Ridge Mountains, USA Authors: 1Madeline N. Olliff, 1Bruce A. Snyder, 2Melanie K. Taylor, and 2Mac A. Callaham
1Georgia College and State University, Milledgeville, Georgia, USA; 2USDA Forest Service, Southern Research Station, Athens, Georgia, USA
Abstract: Wildfires are of increasing concern in light of climate change, more frequent late summer droughts, and increasing incidence of human ignitions. There have been few studies examining the effects of wildland fires on soil macroinvertebrates in the Blue Ridge Mountains, in spite of the importance of these animals to soil processes, and their contributions to the …
Fitness Of Interspecific Hybrids In The Genus Cyprinella: An Evaluation Of Swimming Performance In Stream Fishes, Jessica K. Wilks, Gregory J. Glotzbecker, Gary D. Grossman, Michael J. Blum
Fitness Of Interspecific Hybrids In The Genus Cyprinella: An Evaluation Of Swimming Performance In Stream Fishes, Jessica K. Wilks, Gregory J. Glotzbecker, Gary D. Grossman, Michael J. Blum
Graduate Research Showcase
As the result of anthropogenic disturbance, freshwater ecosystems are rapidly being destroyed worldwide. Accordingly, such impacts are also resulting in the loss of aquatic biodiversity. Specifically, the introduction of non-native aquatic species is becoming an increasing concern. Historically, many non-native freshwater fish introductions have been the result of commercial baitfish aquaculture and private aquarium release. Cyprinella lutrensis (the red shiner) is endemic to much of the central U.S., and its natural range does not extent east of the Mississippi River. Since the 1950’s, red shiner have been cultivated and transported across the globe as both bait and aquarium fish. During …
Monitoring Lake Sinclair, Margaret Blackledge
Monitoring Lake Sinclair, Margaret Blackledge
Graduate Research Showcase
Algae, a polyphyletic group of aquatic primary producers, play a great part in earth’s biosphere. They produce half of the world’s oxygen and are major contributors to aquatic biodiversity. When conditions are favorable to a species, algae will bloom. Some algal species will produce algal toxins during a bloom as a potential mechanism to concentrate carbon. Due to the integral part they play in aquatic food webs, nutrient cycling and the potential for harmful algal blooms, algal communities are monitored to determine the health and safety of aquatic environments. Lake Sinclair in middle Georgia is a good model where in …
The Effects Of Roadways On The Spatial And Temporal Movement Patterns Of Timber Rattlesnakes (Crotalus Horridus), Anna F. Tipton, Dominic L. Desantis
The Effects Of Roadways On The Spatial And Temporal Movement Patterns Of Timber Rattlesnakes (Crotalus Horridus), Anna F. Tipton, Dominic L. Desantis
Graduate Research Showcase
Roadways are among the most widespread and disruptive anthropogenic land use features that influence the behavior and movement of wildlife. Negative impacts include vehicle-induced mortality, habitat destruction and fragmentation, and creating barriers to movement which can have far-reaching sub-lethal effects. In an effort to improve upon historical methods of evaluating the influence of prominent landscape features, such as roads, on the movement of small and secretive wildlife, we are using a novel integration of emerging spatial analyses and tri-axial accelerometry in Timber Rattlesnakes (Crotalus horridus) from central Georgia. We used dynamic Brownian Bridge Movement Models to estimate motion …
Pleistocene Rodents From Southeast Georgia, Parker Rhinehart
Pleistocene Rodents From Southeast Georgia, Parker Rhinehart
Graduate Research Showcase
Late-Pleistocene fossil sites are uncommon in Georgia. However, Clark Quarry, a locality near Brunswick, Georgia, has yielded a large and diverse collection of vertebrate skeletal material dominated by cranial and post-cranial fossils of Columbian mammoths (Mammathus columbi) and giant bison (Bison latifrons). Screen washing of the fossiliferous sediment associated with the bones of the megafauna has produced a large number of microfossils. Here I describe fossil rodents from Clark Quarry. Cranial and post-cranial material of eight rodent taxa have been identified to date. Of these, five are found in the area today: Sigmodon hispidus, Peromyscus sp., …