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IMPACTS OF DAM REMOVAL ON CYANOBACTERIA BLOOMS AND ZOOPLANKTON COMMUNITY IN HYPEREUTROPHIC UPPER KLAMATH LAKE
(2023-08-14)The Chiloquin Dam was removed from the Sprague River in 2008 to restore the natural hydrology of Upper Klamath Lake (UKL), allow fish access to historical spawning grounds, and alleviate the effects of long-term eutrophication. ... -
Evaluating Headstarting as a Conservation Strategy for Anegada Rock Iguanas (Cyclura pinguis)
(2022-06-03)In an effort to combat the current extinction crisis, conservation biologists have developed a diverse set of tools, including conservation physiology. This scientific discipline applies physiological concepts and tools ... -
GLOBAL MAPPING OF PROTEIN-NUCLEIC ACID INTERACTION OF THE RLE LINE R2Bm
(2022-05-17)The R2 Long Interspersed Nucleotide Elements (LINEs) is a widely distributed site specific non-LTR retrotransposons that integrates exclusively into host genome’s 28s rRNA genes and replicate by a process called Target ... -
TWENTY YEARS OF LAND USE AND THE IMPACT OF NITRATE, E. COLI AND CHLOROPHYLL FOR TWO LAKES IN NORTH CENTRAL TEXAS
(2021-08-10)Clean and safe drinking water is a human right. Global, federal, and state agencies that monitor the source and quality of drinking water are limited in power and oversight. Historically, human groups have replaced wetland ... -
The Food Habits and Feeding Behavior of New World Coral Snakes
(University of Texas at Arlington Libraries, 1973-05-01)This thesis considers the food habits and feeding behavior of New World venomous coral snakes, with emphasis on Micrurus fulvius a species that is found in the southeastern United States and northern Mexico. Literature records ... -
Gene Expression Differences in Hybrids at Beginning of Speciation Continuum
(2016-09-16)The formation of new species results from reproductive isolation, or the barrier to successful mating between organisms of divergent populations. The degree of reproductive isolation can be measured by the reduction in ... -
The Influence Of Thermal Effluent On Life History Evolution In The Western Mosquitofish, Gambusia affinis
(Biology, 2015)The evolutionary consequence of heated effluent on the Western mosquitofish, Gambusia affinis, was studied at Lake Fairfield, in Freestone County, Texas. The Lake Fairfield reservoir receives heated effluent from Luminant’s ... -
Thermal Transgenerational Plasticity and Its Effect on Competitive Ability and Consumer-Resource Dynamics in a Population of Daphnia ambigua
(2015-12-08)Global temperature increases are predicted to quicken in pace this century, and with them so will the likely impact on natural populations. The extent to which organisms will be able to keep pace with and adapt to these ... -
The Interplay Of Environmental Stressors On The Life History Traits In Daphnia lumholtzi
(Biology, 2014-12)In natural environments, organisms face multiple stressors that threaten their persistence. Aquatic organisms respond to a change in environmental conditions by adaptively modifying the expression of traits (i.e., ... -
Investigation Of Potential Virulence Factors In Pathogenic Marine Bacteria
(Biology, 2014-09-17)Coral reefs provide numerous ecological and economic functions and are critical to biodiversity in marine environments. Critical to coral reef health and diversity is the microbial consortium within the coral host along ... -
The CCHC Motif In Non-LTR Retrotransposons Modulates RNA Associated Protein Conformational Changes
(Biology, 2014-03-10)Non-LTR retrotransposons encode a conserved cysteine histidine motif of undetermined function. The spacing of the cysteines and histidine residues in the motif is CX₃CX₇HX4C. The site specific non-LTR retrotransposon R2Bm ... -
Role Of The Extracytoplasmic Function Sigma Factor carQ In Oxidative Response Of Bradyrhizobium japonicum
(Biology, 2013-10-23)Bradyrhizobium japonicum is a nitrogen-fixing bacterium that can establish a symbiotic relationship with the soybean plant. To be a successful symbiont, B. japonicum must have an effective mechanism to deal with plant ... -
Use Of A Tri-axial Accelerometer, Behavioral Observation, And GPS To Monitor The Activity Of Female Asian Elephants In A Zoo
(Biology, 2013-07-22)Wild elephants spend approximately 90% of their day actively foraging. Reduced activity in captive elephants may increase the risk of obesity and the formation of stereotypical behaviors. In order to evaluate and enhance ... -
The Effects Of Mine Land Reclamation Of Herpetofaunal Communities
(Biology, 2012-07-25)Succession describes the process of community change over time after a disturbance. Understanding these processes allows ecological restoration projects to take advantage of natural community trajectories. Reclamation ... -
Arctic Arthropod Communities In Habitats Of Differing Shrub Abundance
(Biology, 2012-07-25)Recent global warming, which has been severe in the Arctic, has caused advancement in the timing of snowmelt and expansion of shrubs into open tundra. Such an altered climate may directly and indirectly (via effects on ... -
Characterization Of mocR, A GntR Transcriptional Regulator In Bradyrhizobium japonicum
(Biology, 2012-07-25)The GntR family is one of the most widely distributed and prolific groups of the helix-turn-helix (HTH) transcription factors. In particular, microorganisms that live in complex, fast-changing environments such as soil ... -
Addressing Prey Selection And Predator Fitness: Ingestion By, And Growth Of Ochromonas danica On Multiple Bacterial Prey
(Biology, 2012-04-11)Nanoflagellates provide an important link in aquatic food webs by consuming bacterial biomass and subsequently providing nutrients to higher trophic levels by becoming prey themselves and regenerating nutrients consumed ... -
Targeting Of Site-specific Non-LTR Retrotransposons: Role Of Amino-terminal Domains
(Biology, 2012-04-11)Restriction-like endonuclease (RLE) bearing non-LTR retrotransposons are site-specificelements that integrate into the genome through target primed reverse transcription (TPRT). RLE-bearing elements have been used as a ... -
Molecular Systematics Of The Coffee Snakes, Genus Ninia (Colubridae: Dipsadinae)
(Biology, 2011-10-11)Although previous studies have addressed issues relating to the systematics and taxonomy in the snake genus Ninia, the evolutionary history of the group remains largely unknown. Preliminary morphological studies have been ... -
A Biochemical Approach To Determine The Target Site Recognition Mechanism Of The R2 Retrotransposable Elements
(Biology, 2011-07-14)Non-LTR Retrotransposons (NLRs) are selfish mobile genetic elements which parasitize the genomes of many organisms including humans. These elements transpose through an RNA intermediate and integrate directly into their ...