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Canopy Characteristics Affecting Avian Reproductive Success: The Golden-cheeked Warbler
(2012-07-16)
Habitat disturbances play a major role in wildlife distribution. Disturbances such as loss of breeding habitat and fragmentation are of particular concern for Neotropical migrant songbird populations. Additionally, ...
Latinos and the Natural Environment Along the United States-Mexico Border
(2012-02-14)
The vitality of international transborder natural resources is important for the preservation of wildlife corridors, clean water, clean air, and working lands. In particular, not only does the Texas Rio Grande Valley ...
Studies of Platinum Polyynyl Complexes: Elaboration of Novel "Click" Cycloadducts and Fluorous and Polygon Based Platinum Polyyndiyl Systems
(2012-11-13)
The major directions of this dissertation involve (1) the syntheses and characterization of molecular polygons incorporating sp1hybridized carbon linkers and L2Pt corners (L2 = cis-1,3-diphosphine), (2) the development of ...
Equatorial Pacific Sediment Deposition during the Early to Middle Miocene: Carbon Cycling and Proxies for Productivity
(2012-02-14)
The equatorial Pacific is a major region of biological production in the world oceans and an important part of the global carbon cycle. Changes in climate during the Cenozoic (65 Ma to present) have impacted the carbon ...
Design Guidelines for Test Level 3 (TL-3) Through Test Level 5 (TL-5) Roadside Barrier Systems Placed on Mechanically Stabilized Earth (MSE) Retaining Wall
(2012-12-05)
The use of Mechanically Stabilized Earth (MSE) wall structures has increased dramatically in recent years. Traffic barriers are frequently placed on top of the MSE wall to resist vehicular impact loads. The barrier systems ...
The Relationship Between Elementary Teachers’ Beliefs About Diversity and and Their Selections of Multicultural Materials
(2012-10-19)
The purpose of this research was to understand the relationship between urban elementary teachers’ beliefs about diversity and their selection of literacy material for instructional practices in their classrooms. Currently, ...
Taking Man Out of the Loop: Methods to Reduce Human Involvement in Search and Surveillance Applications
(2012-02-14)
There has always been a desire to apply technology to human endeavors to increase
a person's capabilities and reduce the numbers or skill level required of the
people involved, or replace the people altogether. Three ...
Dissolution of Barite Scale using Chelating Agents
(2012-07-16)
Barium sulfate scaling can cause many oilfield problems leading to loss of well productivity and well abandonment. Currently, diethylene triamine pentaacetic acid (DTPA) is used, along with synergist oxalic acid and potassium ...
Large Herbivore Impacts on Demographic Characteristics and Population Dynamics of an Endangered Orchid (Spiranthes parksii Correll)
(2012-02-14)
Spiranthes Parksii Correll is an endangered orchid of Texas. Populations of S. parksii are threatened by habitat loss and degradation resulting from human population growth and attendant development and resource extraction. ...
Assessing Nurse and Medical Assistant Perceived Needs Prior to Implementation of Expanded Web-based Training in Physician Clinics
(2012-07-16)
The purpose of this study was to assess nurse and medical assistant perceived needs prior to implementing an expended web-based training (WBT) program in physician clinics. This case study was conducted with a mixed-data ...