RSS 1.0Theses and Dissertations-Biology
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Recent Submissions
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An Ecological Survey of the Helminths of Notropis venustus and Notropis lutrensis (Cyprinidae) from the Area of San Marcos, Texas
(1976-12)No abstract prepared. -
The Vascular Flora of McKinney Roughs Bastrop County, Texas
(2002-12)The Lower Colorado River Authority opened McKinney Roughs in Bastrop County, Texas, to the hikers and equestrians in 1996. Past uses of the 648-hectare tract near the western margin of the Oak Woodlands include farming, ... -
Influence of Abiotic Factors on White Bass Growth in a Subtropical Texas Reservoir
(2003-05)The effects o f abiotic variables on the growth o f white bass Morone chrysops were examined using twelve years o f growth data from Canyon Reservoir, Texas. Air temperature had the greatest influence on growth. Air ... -
Fungal Flora of a Cove on Lake Falcon
(1993-12)A 12 month study of a cove in the riverine end of Falcon Lake was conducted to identify the fungal flora associated with submerged plant substrates. The substrates included stems of Arundo donax, Prosopis glandulosa, and ... -
Reproductive Patterns of Texas River Cooters (Pseudemys texana) and Red-Eared Sliders (Trachemys scripta elegans) at Spring Lake, Hays County, Texas
(2010-08)Clietonians are considered the most prolific atrmiote group, with some species laying up to 1000 eggs per year and nesting more than once during a single nesting season. Turtles have been used to test and developed optimality ... -
Effects of Adenosine Triphosphate and Other Substances on Hydroxyproline-induced Inhibition of Avena Coleoptile Elongation
(1967-08)No abstract prepared. -
Baseline Studies of Invasive African Buffelgrass (Cenchrus ciliaris) in Big Bend National Park, Texas
(2008-05)Buffelgrass is a highly invasive weed that is becoming a management concern in Big Bend National Park, which protects over 324,000 hectares of Chihuahuan Desert habitat. The potential problems with this pest include ... -
Description of the Setae on the Pereiopods of the Mediterranean Slipper Lobster Scyllarides latus, the Ridged Slipper Lobster, S Nodifer and the Spanish Slipper Lobster S Aequinoctialis
(2003-05)This study describes the morphology of setae on the five pairs of pereiopods (walking legs) of three species of scyllarid lobsters. Setae were examined using scanning electron microscopy and environmental scanning electron ... -
Evaluation of Microsatelite loci in Largemouth Bass (Micropterus salmoides): Resolution of Population Structure and Individual Origins
(2004-05)Microsatellite DNA variation was evaluated for the first time within the largemouth bass (Micropterus salmoides). Eleven of forty-five primer pairs, originally developed for the amplification of microsatellite loci in other ... -
The Biology and Ecology of Belonocnema treatae (Hymenoptera: Cynipidae) on its Host Plant, Quercus fusiformis
(1998-05)Through experimental rearing, heterogony (the alternation of unisexual and bisexual generations) was demonstrated in the cynipid species Belonocnema treatae Mayr 1881. Female B. treatae (bisexual generation) induce galls ... -
Cover Preference after Flushing by Pen-Reared Northern Bobwhites, Colinus virginianus, on a Hunting Preserve in Central Texas
(2002-08)Northern bobwhites (Colinus virginianus) are the most abundant and widely distributed species of quail in North America. From 1980 to 1999, the autumn population of bobwhite decreased by 65.8%. To fill the void left by ... -
Population Genetics and Conservation of Texas Hill Country Eurycea
(2006-12)The Texas Hill Country is composed of isolated aquatic habitats that are inhabited by a variety of endemic aquatic organisms, many of which have restricted ranges and are threatened by human usage of aquatic resources. ...
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Habitat Requirements of an Inland Population of the Keeled Earless Lizard (Holbrookia propinqua), with Comments on Morphology and Behavior
(2010-05)I studied the habitat association, morphology, and behavior of the keeled earless lizard, Holbrookia propinqua, in Guadalupe County, Texas, near the type locality (Wilson County, Texas). Principal components analysis ... -
Molecular Identification, Phylogeny and Systematics of Haemogregarina in Turtles
(2003-08)No abstract prepared. -
Using Landscape-Level Data to Predict Presence of Hammond's Flycatcher, Dusky Flycatcher, and Gray Flycatcher in Dry-Pine Forests of North-Central Washington
(2007-08)I develop a model to predict the presence of three species of flycatcher; Hammond's Flycatcher (Empidonax hammondii), Dusky Flycatcher (Empidonax oberholseri), and Gray Flycatcher (Empidonax wrightii) using landscape-level ... -
Relationships Among Swimming Ability, Habitat use, and Morphology of Freshwater Fishes from Texas and Louisiana
(2004-12)Relationships between swimming ability and both habitat selection and morphology were assessed for freshwater fishes from Gulf slope, Rio Grande, Red River, and Canadian River drainages in Texas and Louisiana to better ... -
The Effects of Invasive Species and Eutrophication on Riverine Nutrient Dynamics
(2010-05)Invasion of exotic species has been identified as one of the greatest threats to aquatic ecosystems. The invasion of aquatic ecosystems by herbivorous and detritivorous fishes is especially concerning because they can ... -