• Sensory Cues, Association Preferences, and Social Interactions of the San Marcos Salamander 

  Thaker, Maria (2004-05)

  I studied the sensory communication, association preference, and social interactions of the threatened San Marcos salamander (Eurycea nana) in the laboratory. Eurycea nana (Plethodontidae) is endemic to ...

• The Genetic Architecture of Hybrid Fitness in the Louisiana Iris Species Complex 

  Taylor, Sunni J. (2008-12)

  No abstract prepared.
• Movement and Habitat Use by Triploid Grass Carp in the Lower Rio Grande, Texas 

  Thomas, Zachary (2003-08)

  No abstract prepared.
• The Mechanism for Calcium Carbonate Deposition in the Avian Eggshell 

  Talbert, Kiersten L. (2001-12)

  No abstract prepared.
• Effects of Smallmouth Bass on Habitat Selection by a Fish Assemblage of the Devils River, Texas, in Artificial Streams 

  Thomas, Chad (2001-08)

  No abstract prepared.
• Seasonal and Ontogenetic Changes in the Sex Ratio of a Population of Stinkpots (Kinosternidae: Sternotherus odoratus) 

  Swannack, Todd M. (2000-12)

  Current hypotheses suggest turtle populations with biased sex ratios are the result of sampling errors such as improper sex determination, trapping bias, and behavioral differences between the sexes. This study was ...
• Pharyngeal morphology and spatial and temporal variation in trophic composition in the polymorphic cichlid, Hericthys minckleyi (Teleostei: cichlidae) from the Cuatro Cinegas Basin, Mexico 

  Stephens, Matthew J. (2002-07)

  No abstract prepared.
• Relationships Between Landscape, Spatial Scale, and Stream Water Chemistry in a Subtropical Karst System 

  Strickland, Jessica D. (2009-08)

  Natural factors such as climate, geology, topography, and vegetation regulate biogeochemical processes that dictate important river characteristics, including surface water chemistry (Allan, 2004). Converting natural ...

• The Reproductive Biology of Star Cactus (Astrophytum asterias) 

  Strong, Anna Wendler (2005-12)

  No abstract prepared.
• Influences of Borders on Golden-cheeked Warbler Habitat in the Balcones Canyonlands Preserve, Travis County, Texas 

  Sperry, Cynthia (2007-05)

  Destruction and fragmentation of breeding habitat threaten populations of many migrant songbird species, including the endangered Golden-cheeked Warbler. Fragmentation increases the proportion of habitat close to ...
• Population Genetic Structure in the Acmon Complex of Plebejus (Lepidoptera: Lycaenidae) in Western North America 

  Spencer, Maurine K. (2005-05)

  Population genetic and phylogeographic data were used to investigate on-going divergence in a complex of butterflies of the genus Plebejus. Plebejus acmon acmon and P. lupini lupini occur sympatrically ...
• An Analysis of Incident/Accident Reports from the Texas Secondary Science Safety Survey 2001 and 2003 

  Stephenson, Amanda L. (2003-12)

  Safety issues are of top concern in today s science classes in secondary schools. More and more, science activities are resulting in serious accidents and nearmisses. To date, very little research has been conducted in ...
• Microhabitat Affinity of Blanchard's Cricket Frog (Acris crepitans blanchardi) in Rural and Urban Areas in Central Texas 

  Spontak, Dana M. (2009-08)

  Habitats of small anurans are being encroached upon by land development in central Texas. Blanchard’s cricket frog (Acris crepitans blanchardi) is a small frog occupying small streams in these areas of disturbance. ...
• Avian Species Richness along the Urban-Rural Gradient of the San Marcos River 

  Smythe, Victoria A. (2004-08)

  Increasing urbanization and the resulting degradation of native vegetation cause a decrease in overall avian species richness. Riparian areas are important in urban areas because they may be the only suitable habitat ...

• Home Range and Movement of Nutria (Myocastor coypus) along a Selected Stretch of the Rio Grande River, Big Bend National Park, Texas 

  Shumate, Jason Phillip (2006-05)

  I investigated the home range and movement patterns of nutria (Myocastor coypus) along a section of the Rio Grande River in Big Bend National Park (BBNP). Nutria, an exotic semi-aquatic South American rodent, currently ...
• Annual and Temporal Population Characteristics of Tadarida brasiliensis and Myotis velifer at the Old Tunnel Wildlife Management Area, Kendall County, Texas 

  Shelton, Stephanie L. (2004-12)

  The Old Tunnel Wildlife Management Area (OTWMA) bat population is considered a pseudomatemal colony and very little is known about this type of roost. Two species reside at OTWMA, the Mexican free-tailed bat (Tadarida ...
• Mercury Contamination of the Rio Grande Fish Community: Spatial Variation and Influence of Environmental Gradients 

  Smith, Alexandra (2009-05)

  Mercury (Hg) contamination of aquatic ecosystems is a global environmental problem and high levels of Hg can cause adverse health effects in humans and wildlife. Organisms at the base of the food web absorb methylmercury ...
• Assessment of Student Scientific Attitudes after Teacher Participation in Authentic Scientific Research 

  Smith, Daniel Arthur (2006-05)

  No abstract prepared.
• Analysis of bacteriophage JL 1 induction in the lysogenic host bacterium Janthinobacterium lividum 

  Schwarzlose, Samuel J. (2005-08)

  No abstract prepared.
• Effects of Hydrologic Variability on Macroinvertebrate-based Biological Assessments of Streams in Austin, TX 

  Scoggins, Matthew (2001-05)

  The City of Austin, Texas, has been using Rapid Biological Assessments (RBA’s) in urban and sub-urban streams for the last seven years in an effort to expand and improve its environmental monitoring programs. Central ...

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