Steve mcmahon thesis south texas vegetation

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  numbers of fountain darters consumed were unrelated to presences or absence of vegetation. nicholas has also received numerous scholarships from texas state and non-governmental organizations. the objective of this work was to assess the problem of unsustainable wild freshwater turtle harvest and commercial trade in the united states of america (us), focusing first on the entire southeast region and specifically on the texas harvest paradigm. she taught environmental education and worked on various ecological research projects in oregon, california, massachusetts, puerto rico, mississippi, and south carolina before moving to texas. after two years working for the texas department of state health services he enrolled in the wildlife ecology masters program at texas state university – san marcos in 2011.. program in wildlife ecology at texas state university in fall 2012 working with dr.  in this study i investigated the soil and vegetative associations for heteromyid communities at the landscape and microhabitat scales in central and south texas.:  lynsey martinez ramirez was born in alamogordo, new mexico on august 13, 1987 to jose and patricia martinez and raised in san antonio, texas.: avry stolzman is a hill country native, growing up in johnson city, texas. the overall goal of the final ibm is to mimic past distributions of the aransas-woods buffalo population within their wintering grounds along the texas coast. for the second chapter of my thesis, a population genetics study was carried out using tortoise samples, found outside its current and historic range, to determine genetic diversity and population structure using microsatellite loci. saj lives in south austin with her husband, two ferrets, and ten chickens.  while in college, he worked as a wildlife biologist for a private landowner in the texas hillcountry.. has conducted the necessary on-going, long-term studies of infested water bodies and whose laboratory has conducted a previous study on zebra mussels in winfield city lake kansas, which indicated that mussel population collapses in the southwestern us may be caused by summer warm-water starvation that, over the course of several years, eventually leads to massive adult mussel die-offs. this proposal outlines a request to provide funds to develop an accurate and cost effective dreissenid mussel invasion risk assessment and for these northeastern texas water bodies. of a monitoring and early detection program for zebra mussel invasion of texas aquatic habitats - ,000 pithe invasive freshwater zebra mussel (dreissena polymorpha)invaded lake texoma on the texas/oklahoma border in 2009 where it is now expanding rapidly.  environmental and earth science program, the university of texas at arlington. while at texas state, he received the outstanding academic achievement award in 2013, 2014 and 2015; and the outstanding science education award in 2015.  thesis title: freeze sensitivity of the zebra mussel (dreissena polymorpha) with reference to dewatering during freezing conditions as a mitigation strategy. to address this problem, i propose to investigate the prevalence of bd across the different biotic provinces in texas from a survey in ten state parks. she joined the population and conservation biology masters program at texas state in the fall of 2012. i collected white-tailed deer (122 males, 152 females) from kerr wildlife management area, texas (pen-raised, free ranging) and a private ranch in south texas. maria esteve-gassent, department of veterinary pathobiology, texas a&m university.. in biology at texas state university in fall 2015, and will continue his education as a ph.: andrew maclaren relocated to houston, texas from bay city, michigan in 2000. with this information, i propose to generate prediction models of the range of distribution of the pathogen in texas. spring complexes within the karst terrains of the edwards plateau region of central texas offer a unique opportunity to test hypothesized relationships between base flow and stream fish communities.“characterizing stream-aquifer interactions of the pedernales river watershed in central texas”.: raddiete ghion obtained a bs in biology (2014) from texas state university.  dissertation title: impacts of anthropogenic disturbances and  drought on breeding bird abundance and diversity in the rolling plains ecoregion of texas.  the resulting data on zebra mussel growth rates, reproductive periods, periodicity of settlement ready pediveligers presence in the water column, juvenile settlement rates, and the bases for zebra mussel population collapse can also be used by texas raw water using facilities and industries in development of cost effective strategies for monitoring zebra mussel settlement and instituting appropriate cost-effective methodologies for control/mitigation of their macrofouling. during his time in galveston, he worked as a student research assistant for the noaa fisheries ecology lab aiding biologists in studies on benthic marsh communities in texas and louisiana. leah began her wildlife ecology master’s program at texas state in the fall of 2014 and with her m. amanda’s goal is to help manage and conserve the natural resources and wildlife in texas, while also gaining experience in the field and becoming more knowledgeable on ecological relationships and resource management. in spring 2013 she graduated from texas state university where she received a bs in wildlife biology. soon after, she received the opportunity to get her master’s degree in biology at texas state university under a usda grant and with a sponsorship from the kitchen pride mushroom farm, inc.

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mcgovern fellowship for his research from the texas research society on alcoholism in 2012. edward aquifer (ea) in central texas contains one of the most diverse communities of subterranean and spring-associated organisms in the world, but the ecophysiology and trophic ecology of many of these organisms are poorly understood.:  michael markowski attended the university of texas and received a b. after participating in a recent study abroad program to southeast asia, austin hopes to travel and continue learning about how evolution is accepted on a global scale. in 2012, sophia entered texas state university to pursue a master of science in population and conservation biology..The rio grande river and its tributaries are home to the southwestern subspecies of north american beaver, castor canadensis mexicanus.: justin crow was born and raised in fort worth, texas. while at texas state, she presented a paper on “birth mass scaling in elk (cervus elaphus)” at the 51st texas chapter of the wildlife society annual meeting, corpus christi, texas.  david currently serves as president of the aquatic biology society and is a member of the texas chapter of the american fisheries society. maculata) from freshwater habitats in southeastern texas where it is an invasive, exotic species;.  monitoring efforts of black rails, in texas, should design studies that estimate distribution and abundance while accounting for imperfect detection.. in the aquatic resources program at texas state university under the advisement of dr. program at texas state university in the laboratory of dr. she has been a flowing waters teaching fellow (2011-2013) and is the current president of the texas herpetological society.  the proposed study will also help to determine if texas mussel populations that have undergone major density reductions such as in lake texoma, can recover or if such post-collapse density reductions are a permanent feature of mussel ecology in texas water bodies. she began her studies at texas state in the fall of 2012, and was recently awarded the leadership scholarship from the max mcgraw wildlife foundation and wildlife management institute. weber was born in indianapolis, in and moved to san antonio, texas in 1998. lost pines ecoregion of texas is a loblolly pine (pinus taeda) and oak (quercus stellata) dominated woodland forest with remaining fragments in austin, bastrop, colorado and fayette counties.: lauren grew up in a small town in southern illinois where she was constantly bombarding her classmates with fun facts about one animal or another. enjoying her undergraduate research in the chihuahuan desert she decided to remain at texas state university for her masters in biology with a focus on lepidoptera ecology. thesis title:  prolonged emersion tolerance in freshwater mussels (bivalvia: unionidae): interspecific comparison of behavioral strategies and water loss rates.. from texas state university in 2011 with a major in wildlife biology.. in wildlife ecology at texas state university, studying how habitat parameters affect crevice spiny lizard demography. in 2013, she entered the graduate program in wildlife ecology at texas state university..  non-thesis master's degree in environmental and earth science, the university of texas at arlington. sable antelope selected texas wintergrass (stipa leucotricha) during the winter. the proposal described a study of the thermal tolerance variation in the western mosquitofish, gambusia affinis, in fairfield lake, texas, in order to assess whether this phemotypic character is influenced by environmental conditions as well as genotype.  immediately upon graduation, christopher came to texas state university to earn his masters of science degree in aquatic resources. thesis title: analysis of factors inducing dislodgement of zebra mussels (dreissena polymorpha) from steel surfaces exposed to cathodic potentials. the purpose of this research is to inform decision makers at state and local levels, as well as property owners about the amount of water that can be supplied by rainwater harvesting systems in texas so that it may be included in any future planning.. in biology at the university of texas at san antonio may of 2010 and enrolled at texas state university-san marcos to pursue a master’s of science degree in wildlife ecology. dipodomys compactus is one of five kangaroo rat species found in texas; this species has narrow, specific habitat requirements.. in geography with a minor in biology from texas state university in 2010.  the results of the proposed research will be a greatly increased understanding of the population dynamics of zebra mussels in texas water bodies where summer surface water temperatures are greater than experienced in infested water bodies anywhere else in their north american or european range. mcmahon of the university of texas at arlington to support the u.: candace longoria spent two years at the university of north texas on a focus scholarship before transferring to the university of texas at austin and graduating with her bs in biology with a focus in evolution, ecology, and behavior and a minor in chemistry.

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Robert F McMahon | Explore University Of Texas At Arlington

he enrolled in texas state university – san marcos in 2004 and received a b. nicole joined the aquatic resources phd program at texas state university-san marcos in the spring of 2012. in interdisciplinary studies at the university of texas at el paso.  i conducted the first large scale study of black rail occupancy and abundance in texas. the data indicate that rodent populations in selected regions of texas are infected with t.  purposes of this study were to test relationships among spring flow, associated habitat changes, and reproductive effort of the federally-listed fountain darter etheostoma fonticola, a spring-associated fish inhabiting comal and san marcos rivers of central texas. during her time in the graduate program, she became a south texas doctoral bridge program scholar and received an award for best poster at the 20th annual department of biology colloquium.. fish and wildlife service) in san marcos, texas as part of a captive breeding program. in the current study, a large louisiana iris hybrid zone between iris fulva and iris hexagona habitats was identified in southern louisiana.  he presently houses the 100th meridian initiative to prevent invasive species from spreading to the western states including its website in his laboratory at the university of texas at arlington.. in wildlife biology from texas state university in 2011, and began an m. the houston toad was first described in houston, texas in 1953, and was the first animal from texas and first amphibian federally listed as an endangered species.: wayne waring is originally from austin, texas and a resident of san marcos, tx for the past 12 years.  my study objectives were (1) to enumerate and identify microplastics from fishes taken from 10 sites and nine freshwater drainages of texas and harbor, bay, and gulf sites within or near the laguna madre of southeast texas, (2) to compare percent occurrence of microplastics among habitat and trophic guilds of fishes, and (3) to compare percent occurrence of microplastics between urbanized and non-urbanized streams and thus test the hypothesis that fishes from urbanized streams will have greater percent occurrence of microplastics than fishes from non-urbanized streams. while this species can be found along the texas coast year round, they occur in greater densities during the breeding season.  she began her ms in wildlife ecology at texas state university in fall 2014 working with dr. meridian initiative research in texas and analysis of 100th meridian initiative data sponsored by. defense   prevalence of batrachochytrium dendrobatidis in amphibian communities of central texas and tamaulipas, mexico andrea villamizar gomez major advisor: dr. in 2014, he joined the phd program in aquatic resources at texas state university. current conservation strategies regarding land protection for the aransas-woods buffalo population within their wintering grounds along the texas coast are limited by the uncertainty of future distribution as the population increases. recently the urbanization rate in central texas has become one of the highest in the nation. moreover, i provide evidence of the negative consequences from non-uniform harvest regimes across the southeast us. in order to test this hypothesis and estimate the impact of these parasites, we developed a methodology for the artificial infection and swimming endurance testing of small fish hosting various intensities of trematode metacercariae. i found that sprague’s pipit locations had minimal canopy cover, lower percent cover of woody vegetation and certain agriculture land cover types in comparison to random locations. while at texas state, he has presented two papers at the texas chapter of the wildlife society annual meetings and published a manuscript in california fish and game.  thesis title: effects of some non-oxidizing molluscicides on oxygen consumption rates in dreissena polymorpha (pallas) and corbicula fluminea (müller).. in biology at texas state university where she is studying the relationship between chromatin-remodeling and plant immunity. she graduated from texas a&m university in 2006 with a b.  genetic analyses revealed cryptic variation and diversity within and among texas snail populations. received his bachelor’s degree in agriculture from university of agricultural sciences, bangalore, india in 2009 and master’s in crop science and biotechnology in 2012 from seoul national university, seoul, south korea., of plano, texas, to test the efficacy of a propritary organic molluscicide (hereafter referred to as the “test molluscicide”) being developed for control of agriculturally damaging pest freshwater snails. prevalence of trypanosoma cruzi, the causal agent of chagas disease, in rodent populations in texas.. from the university of south florida in 2012 in integrative biology from drs. texas tortoise, gopherus berlandieri, is a threatened species in the state of texas and strict conservation action is required to ensure that continuing population decline does not occur. presently, she works concurrently as a noaa nwfsc hammond research station fisheries biologist and the outreach coordinator for a student sustainability organization at the university of texas at austin. the historical range of the texas tortoise includes a much larger area than recent observations support, especially in the eastern range.

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  he has also worked as a contract biologist throughout texas and as an adjunct instructor at cisco college before beginning the ph.:  sara harrod was born in wichita falls, texas, on october 05, 1989. trout oncorhynchus mykiss are typically stocked in tailraces across the southeastern united states to mitigate fish habitat and assemblage alterations caused by large impoundments. the results provide evidence of large, unsustainable exports of freshwater turtles continuing out of the us, despite recently implemented restrictions on turtle harvest in several states of the southeast us. interestingly, there is a low prevalence for bd in central texas in comparison with previous studies conducted in this area. zebra mussels are a highly environmentally and economically damaging species whose presence in lake texoma greatly increases the risk that they will invade other water bodies in northeastern texas. he became interested in aquatic biology after researching arctic zooplankton community dynamics for his senior thesis. defense   ocular histology in three south central texas paedomorphic salamander species (eurycea sosorum, eurycea nana and eurycea rathbuni) and comparative ocular development of two morphotypes ruben u. in 2012, he was admitted to texas state university to pursue a master of science in aquatic resources. meridian initiative research in texas and analysis of 100th meridian initiative data sponsored by. timothy bonner, department of biology, texas state university-san marcos dr., recipient of the myer award for outstanding participation in student leadership training, the university of texas at arlington. she received her bachelor’s degree in animal science with emphasis in pre-veterinarian in may 2013 from texas a&m university-commerce in commerce, tx. the federally endangered fountain darter, etheostoma fonticola, is endemic to the clear spring-fed headwaters of the san marcos and comal rivers in central texas. she received a bachelor of science in wildlife biology in 2012 from texas state university in san marcos, texas.  an inventory of golden eagles in 2 ecosystems in nevada (northern mojave desert and southern great basin) was conducted from 2011-2014 with the objectives to: (1) locate nest sites and territories across several mountain ranges (kawich range, belted range, stonewall mountain, cactus range, black mountain, quartz mountain, tolicha peak, sheep mountain, pintwater range, desert range, pahranagat range, spotted range, buried hills, half pint range),  (2) estimate breeding population, and (3) map suitable nesting habitat based on nest site parameters. then he entered the graduate college of texas state university and earned his ms degree in biology in fall, 2011.: matthew haverland was raised in college station, texas and received his b. in central texas two counties were evaluated during the spring of 2012, and for the tamaulipas assessment samples of 18 amphibian species were collected between 2004 and 2008 at 16 different localities that ranged from 100-2900 meters in elevation. members: ivan arellano-castro, department of biology, texas state university, james f.  continuing his undergraduate research, he joined the graduate program at texas state for a m. during the summer of 2015, she worked as an intern for texas parks and wildlife at kerr wildlife management area, hunt, tx. she has remained an intern with the international crane foundation since joining texas state and recently received a research grant from the coypu foundation. has a 4 year old daughter, olive and lives in the texas hill country. after completing her active duty tour she studied wildlife and fisheries at texas a &m and received a b. eagle nest site selection and habitat suitability modeling across two ecoregions in southern nevada.  one, black rail management, during the breeding season in texas, should focus on spartina cover as occupancy and abundance estimates were highest when spartina cover was high.. in biology from texas state university – san marcos in 2011, and entered into the master’s program in biology that same year. gayatri began the masters of science in wildlife ecology at texas state university in spring semester, 2014.. in wildlife and fisheries science from texas a&m university in 2009. after graduation, amanda worked out in the “real world” for about 5 years before deciding to change paths and move to san marcos to join the texas state wildlife ecology graduate program. my study examined the overlap (spatially and temporally) of cliff swallows and cave swallows during the nesting season as well as the seasonal use of 5 bridges in central texas by both species.  additionally, central texas supports a winter resident bird community rich in ground foraging sparrow species. as a population and conservation biology master’s student at texas state university, she was funded to do her research from texas department of transportation. she began her ms in wildlife ecology at texas state university in fall 2013 working with dr. members of this family often form assemblages that are found in habitats with sandy soils and vegetation that offers both open areas and dense shrub cover.

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i recorded water depth, type of vegetation, sign of active beaver colonies (dens, beaver tracks, scat, and cuttings), and ranked the amount of beaver activity within each colony as high, medium or low. cruzi is the parasite that causes chagas disease, which affects over 8 million people in at least twenty-one countries in central and south america.  the following fall, she began her work on her master’s at texas state university. he attended texas state university in san marcos, tx for his b.  differences could be due to diverse vegetation and habitats at each sampling site. following high school he relocated to austin, texas and entered the workforce.. in aquatic resources at texas state university, studying habitat mapping techniques and stream modeling. she has two children, a daughter majoring in biology at texas a&m university in college station and a son majoring in psychology attending austin community college. mcmahon has been active as an independent consultant on the biology and control of invasive aquatic molluscs for the electric power, potable water and biofouling control industries among others since 1983.  his invasive species research has been has been funded by the us fish and wildlife service, us army corps of engineers water ways experiment station, state of texas, and electric power and chemical industries.. in biology at texas state university where she is studying the relationship between chromatin-remodeling and plant immunity. he completed a bs degree in biological sciences at the university of tunis el manar in 2007, and earned an ms degree in microbiology from the same university with a research thesis that focused on the diversity of ascomycetes in high saline lakes in 2009. nichols graduated from texas state university in 2013 with a b.: derek michael wallace was born in longview, texas and relocated to central texas in 2001. tolerance and nonchemical control strategies for the introduced marine macrofouling asian green mussel, perna viridis sponsored by texas a&m university - ,992 pistudy of the termperature, salinity, hypoxia and desiccation tolerance of the nonindigenous, asian, marine, intertidal, green mussel, perna viridis, allowing development of a risk assessment for its eventual distribution in the atlantic and gulf of mexico coastl waters of the us.% of the variability in the san marcos river benthic macroinvertebrate community among vegetation habitats and 23. wayne began the masters of science in aquatic biology in the aquatic resources program at texas state university in the fall semester, 2010. in 2010, she entered the aquatic resources doctoral program at texas state university to focus on habitat and population management of the endangered houston toad. natalie ceballos, department of psychology, texas state university committee members: dr. she has two children, a daughter majoring in biology at texas a&m university in college station and a son majoring in psychology attending austin community college. jenkerson graduated from the university of texas at san antonio in 2013 earning a b. pringle attended the university of texas where she received a bachelor of arts in biology in 2003.  in addition the proposed research should allow and understanding of the bases for observed mussel population collapses in texas water bodies for which only the p. formosanus and haplorchis pumilio are invasive heterophyid trematodes which have been introduced to texas via introductions of their first intermediate snail hosts. the edwards aquifer of central texas provides an interesting opportunity to examine food web structure in a deep, phreatic setting because 1) it has an unusually diverse faunal assemblage and 2) both allochthonous detritus and autochthonous, chemolithoautotrophic organic matter are supplied to the aquifer in spatially isolated regions.  results suggest that moderate rotational grazing promotes forb production and native forbs are important for breeding and wintering birds in the texas hill country. benavidez was raised in south texas and attended high school at skidmore-tynan isd., award for distinguished record of research, the university of texas at arlington. while completing her undergraduate requirements she served as both vice president and president of the student chapter of the wildlife society and obtained an internship with texas parks and wildlife department at government canyon state natural area. texas experienced such an event in 2011, which reportedly killed 6% of all trees in the state.  in 2002, she received her bachelors of science degree in zoology from southwest texas state university.  dna analysis targeted a portion of the chloroplast trnl (uaa) intron and 13 samples were successfully amplified and sent to the university of texas at austin’s genomic and sequencing analysis facility for next-generation sequencing. meridian initiative research in texas and analysis of 100th meridian initiative data sponsored by. cliff and canyon habitats of the southern great basin and northern mojave desert were surveyed by helicopter from 2011-2014 for active and inactive nests and to measure nest site parameters. ongoing study of zebra mussel population dynamics in infested texas water bodies: growth rates, life spans, reproductive periods, juvenile settlement rates, veliger size distributions, adult dry tissue weights relative to seasonal temperature variation, and causes of population collapse in lakes texoma, ray roberts, belton and lewisville sponsored by texas parks and wildlife department - ,653 pithe obkective of the proposed study is to extend the p.. in environmental science- marine and coastal resources from texas a&m university- corpus christi in 2012.

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david began his studies at texas state university in summer 2012 and was recently awarded the certificate of excellence in spring 2014.. in interdisciplinary studies with a minor in biology from the university of texas, arlington in 2010. inc science enrichment program sponsored by university of north texas - ,000the honors college at the university of texas at arlington and girls inc of tarrant county have collaborated to bring junior high school girls who are participating in girls, inc.. fish and wildlife service and the university of texas at arlington sponsored by.. program in the department of biology at texas state university in fall 2011. future studies are warranted to continue investigating the nest site selection of cave swallows as they continue to expand their range into the south western united states.. in marine and freshwater biology from the university of texas at austin. a habitat suitability model and molecular analyses to aid in the conservation management of the texas tortoise, gopherus berlandieri.. in biology with a minor in women's studies from texas state university-san marcos, during which she conducted undergraduate research in the dharmasiri lab.), perspectives on marine environmental change in hong kong and southern china, 1977-2001, proceedings of an international workshop reunion conference. this study used a large dataset that includes high frequency sampling and comprehensive stormwater analyses of surface and cave stream water from five storm events between july 2014 and july 2015 at cave without a name (cwan) in central texas. saj is a professional geologist and an endangered karst invertebrate specialist, and she worked in environmental consulting on karst issues in the edwards aquifer before starting her masters of science in aquatic resources at texas state university in the fall semester of 2014. this research will allow prediction of the degree to which this snail will disperse in texas and potentially allow development of nonchemical methodogies for its control and/or irradication. in the past decades, the spread of chytrid fungus in north america has attracted interest, but the prevalence of this pathogen in texas remains largely unexplored.  he attended texas a&m university where he received a bachelor of science in wildlife and fisheries sciences with an emphasis in fisheries ecology and conservation in december 2011. houston toad (bufo houstonensis) was first described in 1953 in houston, texas, but has since been extirpated from the area.  texas represents an under-studied area with low incidences of annual human infection. we examined the federally listed fountain darter (etheostoma fonticola), devils river minnow (dionda diaboli), pecos gambusia (gambusia nobilis), comanche springs pupfish (cyprinodon elegans); texas protected rio grande darter (etheostoma grahami) as well as the largemouth bass (micropterus salmoides).  the present study investigated tick loads on rodents and borrelia prevalence in disturbed and sylvan habitats at five sites in texas across three seasons. he joined the ms aquatic biology program at texas state university in the fall of 2013 and has since worked with dr. austin state university - ,000 pito determine the tolerance to temperature, salinity, ph, and desiccation in the channeled applesnail, pomacea caniculata, a peotential harmful nonindigenous agricultural pest species that has been introduced to the freshwaters of southeast texas. in 2010 she enrolled at texas state university and joined the population and conservation biology program, as a part of chris nice’s lab. annually, the bulk of the diet was comprised of little bluestem (schizachyrium scoparium) and texas wintergrass (stipa leucotricha). she enrolled at texas state university in 2008 and earned her masters of science in wildlife ecology in august 2010.  it is also expected that study will show that texas zebra mussels have much more rapid growth rates and shorter life spans (? further studies should be conducted to determine if other animal populations in the regions of texas with rodent populations infected with t. ecology of colonial nesting green herons (butorides virescens) in texas.  continuing her undergraduate research, she joined the graduate program at texas state for a m. both of my chapters attempt to explain the poorly understood factors of habitat suitability and aid in genetic diversity research for the texas tortoise.  pellets were collected from roosting sites at three different locations across central texas: the chiroptorium, old tunnel, and d’hanis bridge, and then dissected in the lab. studied the effects of landscape characteristics on nesting success and nest site selection of native cavity-nesting birds utilizing nest boxes at the freeman center, san marcos, texas from 2013 to 2014. here, i studied how these factors affect the stress of two federally threatened species of texas eurycea salamanders that are fully aquatic. thesis title: assessing potential for dispersal of aquatic nuisance species by recreational boaters into the fresh waters of the western united states. hypothesis 2: previous studies have shown that carriers of the met-allele exhibit significantly attenuated hpa-axis activity. i collected 151 white-tailed deer (68 males and 83 females) from kerr pens, central texas, and a private ranch in south texas (sotx). thomas hardy, department of biology, texas state university committee members: dr.

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: amanda moore was raised in bloomingdale, illinois and moved to texas in 2001. of the presence of freshwater mussels within the dreissenidae family in select texas waters - ,473 pithe proposal is an interlocal cooperation contract with the texas parks and wildlife department. upon completion of his masters in may 2011 he joined the phd program in aquatic resources at texas state university, working with butch weckerly (texas state university) and jeff hatfield (usgs patuxent wildlife research center). peter beck to investigate the effects of border fence construction on ocelot conservation efforts in texas.:  priscilla pham is from houston, texas and received her bs in human nutrition and foods from prairie view a&m university. a colony of at least 35 breeding pairs of green herons annually breed along a tidal creek in port lavaca, texas. this study implies that monitoring the pathogen in both southern texas and northern mexico requires explicit changes to normal surveys protocols.:  lauren cody was born in fort sill, ok, but quickly moved to texas. rose creek pit (rcp) locality, southeastern nebraska, is currently the only known terrestrial section that preserves oae1d (cretaceous, albian-cenomanian boundary) and has abundant plant organics., award for outstanding student organization adviser, the university of texas at arlington. over 23 years just before and throughout an irruption by a roosevelt elk population i assessed temporal and spatial patterns of the normalized difference vegetation index (ndvi). formosanus has previously been reported to infect frogs and toads in asia, the potential for texas amphibians to become infected has been ignored. while attending texas a&m-corpus christi, she was a noaa environmental cooperative science center fellow and received the teresa heinz scholar for environmental research scholarship. anjana then moved to texas, joined the masters program in wildlife ecology at texas state university in january of 2013, and has been trying to do awesome science ever since. upon completion of her masters in 2012 she joined the phd program in aquatic resources at texas state university and continued her work with chris and the nice lab group.: amanda hargrave was raised in a small town in east texas called mabank where she first developed an interest in the natural world. defense factors affecting phosphorus uptake in karstic rivers of the edwards plateau, central texas aaron p. a long-standing hypothesis in subterranean biology posits that organisms living in subsurface habitats can withstand long periods of resource shortages and have increased starvation resistance due to reduced metabolic rate.  while her studies at texas state, she won the kushlan research award from waterbird society and texas state university graduate college thesis research support fellowship. furthermore, i observed unexpectedly that the lens, which functions in inducing development of the retina in other organisms, persists in the texas blind salamander into the latest embryonic stages. genetics of the big bend slider (trachemys gaigeae gaigeae) and the red eared slider (trachemys scripta elegans) in the contact zone in the lower rio grande drainage of texas. this study examined the composition of floral fragrance in the genus stapelia, a group of succulent perennial herbs native to the drier regions of south africa. this dimorphic bird ranges from baja california to bahamas, north to texas and louisiana and southwards to central america and northern part of south america.. in population and conservation biology at texas state university, studying how urbanization affects the seasonal variation in hormones and behavior and how runoff from storms affects hormones of texas eurycea salamanders. central texas eurycea salamanders are of high conservation concern because of their extreme level of endemism, small ranges, and the rapid urbanization of the greater austin and san antonio areas.. biology, minor in philosophy, in december of 2013 from texas state university - san marcos. black rail (laterallus jamaicensis jamaicensis) occupancy and abundance estimates along the texas coast with implicationsfor survey protocols.  since 2004, he has worked for the inland fisheries division of texas parks and wildlife, managing public fisheries in central texas. growth and a prolonged drought have raised concerns about the sustainability of water resources in texas. influence on selected parameters of the avian community on a texas hill country ranch. in the fall of 2012, shelly was admitted to texas state university–san marcos to pursue a master of science in biology. invasive gastropod melanoides tuberculata (family: thiaridae) has been established in texas since the 1960’s. funding is requested primarily to conduct interviews with boaters trailing boats into texas from eastern states regarding where their boats had previously been launched and where they will be launched in texas and to inspect boats and boat trailers from the presence of zebra mussels, aquatic plants and other potentially invasice aquatic organisms.  future studies are needed to determine if the results described herein represent a consistent pattern, but this work represents a positive step toward investigating ld in the southern portion of its range. after graduating, he worked as assistant manager on a wildlife-focused ranch in south texas for three years. hypothesis 1: bdnf profiles are expected to be related to alcohol use characteristics such as quantity/frequency of alcohol consumption (the val66met polymorphism and lower bdnf associated with higher drinking levels), age of first drink and age of first drunken episode (lower bdnf associated with earlier initiation of alcohol use and drinking to excess), and binge drinking habits (lower bdnf associated with higher frequency and greater severity of binge drinking) compared negative controls (e.

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the purpose of this study was to quantify p uptake and examine the factors that influence p uptake in relatively larger discharge riverine ecosystems, specifically, in karstic, spring-fed rivers of the edwards plateau, in central texas.. program in the department of biology at texas state university in fall 2011. during his phd he received grant from the texas research society on alcoholism (trsa). synchronously two sites, an open grassland and an oak-juniper thicket, were sampled at freeman ranch near san marcos, texas. lauren began her master’s of science in aquatic resources at texas state university in the fall semester of 2012 and is currently pursuing a juris doctor from the university of texas with an emphasis in water law. weston nowlin, department of biology, texas state university-san marcos dr. she began her studies at texas state in the fall of 2012, and completed internships with texas parks and wildlife department as well as bayou land conservancy. glenn longley, department of biology, texas state university april 2, 2014 – 10 am, supple 153 the recent focus on conserved genes expressed through development has allowed for great headway in understanding the molecular mechanisms responsible for the variation seen among organisms. analysis of the effects of suspended sediment and photosynthetically active radiation (par) on the vegetative growth of texas wild rice (zizania texana). regionally declining prairie and shrubland birds breed in the edwards plateau ecoregion of central texas.: lisa maria hanson graduated from southwestern adventist university with a bs in biology and business and a ms in science education from touro college. he graduated from texas a&m university of kingsville in kingsville, tx with a b. role of stygobitic species in nutrient dynamic of the edwards aquifer, central texas.. program in biology at texas state university where she is studying plant hormone signaling pathways. then he joined the department of biology, texas state university to follow graduate studies in 2013.. to sample 23 selected texas water bodies for the the presence of larvae of the invasive freshwater zebra mussel by plankton net sampling and dna analysis.  after raising enough funds to she took a one way flight to honduras where she certified as a divemaster and dived her way around central and south america.. in aquatic resources at texas state university, he has worked as a consultant for the southeastern aquatic resources partnership. defense influence of a population irruption by roosevelt elk on a vegetation index heath d.  orders of the insects and in some cases, families, were identified which determined a glimpse of what free-tailed bat colonies are eating to survive winter months in central texas.  thesis title: the potential of the freshwater clam (corbicula fluminea) for the artificial production of pearls with special emphasis on techniques of pearl seed implantation.  he joined the faculty of the department of biology at the university of texas at arlington in 1972 where he retired as professor of biology and dean of the honors college in february 2009. houstonensis is a texas endemic amphibian first described as a species in 1953 and was the first amphibian listed on the u. the main objectives described in the proposal are to: 1)develop and test an accurate and economically feasible zebra mussel monitoring system for water bodies in northeastern texas considered most at risk of zebra-mussel invasion; 2)develop a zebra-mussel risk assessment for other texas water bodies; and 3)determine the population, reproductive and nutritional dynamics and thermal tolerance of the zebra mussel population in lake texoma as a baseline to assess the risk of invasion of other texas water bodies. i am interested in exploring the evolution of developmental mechanisms that has resulted in the divergent ocular morphologies seen between the subterranean texas blind salamander (eurycea rathbuni) and the above ground barton springs salamander (eurycea sosorum). gluesenkamp, texas parks & wildlife and nathan bendik, watershed department, city of austin. as an aquatic resources master’s student at texas state university, she taught general ecology labs and held an ra position conducing water quality analyses for the san marcos river in 2014. my study exposed some of the complexities associated with linking climate events to vegetation changes, in particular, the effects of landscape variation and vegetation composition on tree mortality. i estimated occupancy and density of crevice spiny lizards (sceloporus poinsettii) on monadnock features present on mason mountain wildlife management area within the llano uplift area of the central mineral region of texas.: april bonnard graduated from texas state university in 2014 earning a b.: stephen forrest harding graduated from texas state university – san marcos with a bs in aquatic biology in 2014.  he presently serves on the western regional panel on aquatic nuisance species, the gulf and southern states panel on aquatic nuisance species and has just completed a six-year term on the federal invasive species advisory committee where he served as a member of the steering committee and the early detection-rapid response and prevention subcommittees.  this species causes similar damage to rice grown in southeastern asia, china, japan, indonesia, and taiwan suggesting that total annual losses may reach 2-3 billion us dollars per year.  my thesis focused on examining the potential for competition between heterotrophic bacteria and algae across a productivity gradient in a group of 19 texas and ohio reservoirs. he was accepted into the aquatic resources program at texas state university as a master’s candidate in 2011.: elia lopez graduated from texas state university in 2013, earning a b.

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  the benefits of the research include an understanding of the unique biology of zebra mussels in warm texas water bodies and will inform what may be expected if mussels invade other water bodies in texas and the southwestern us.  vegetational surveys were conducted using the daubenmire method to sample herbaceous species and line intercept method to sample woody species. meridian initiative research in texas and analysis of 100th meridian initiative data - ,727 pithis proposal requests funds to continue the 100th meridian initiative in texas. compactus range in south-central texas is highly fragmented, and the particular population in south-central texas may be more isolated than currently thought.  a notable exception was observed for the fountain darter, which had a more ubiquitous distribution and was not strongly associated with vegetation. haplorchis pumilio has been known to occur in texas for over a decade, and has been reported infecting snails in multiple spring-fed systems throughout the state. free-tailed bats (tadarida brasiliensis) overwinter in south and central mexico and migrate north each spring to form large breeding colonies in northern mexico and the southwestern united states; however, there are recent observations of increasing populations of free-tailed bats overwintering in central texas. after a renewed interest in terrestrial biology, matt joined the texas state wildlife ecology graduate program in 2012. nathan got hooked studying birds in the mountains of north carolina and joined the wildlife ecology program at texas state university in fall of 2013 with a focus on avian ecology. in fall 2009 he enrolled in the wildlife ecology ms program at texas state university and joined butch weckerly’s lab. thus, mussels in central texas may not have the ability to respond fast enough when water levels change rapidly, e.  larval fishes within lowland rivers of western gulf slope drainages of texas conformed only partially to larval fish feeding theories.. in biology in 1996 from abilene christian university and studied integrative physiology at the university of north texas health science center at fort worth before obtaining his m.. in wildlife biology from texas state university- san marcos in 2013.. in biology from the university of texas at san antonio in december 2007 and a m. this study seeks to assess the prevalence of bd in amphibian communities in central texas and the state of tamaulipas, mexico. quantity management in texas and elsewhere is currently managed under the theory of the natural flow paradigm, which states that sound ecological riverine environments are dependent upon the dynamic character of flow. herons (butorides virescens) are small herons found throughout the eastern united states, the west coast of the united states and throughout most of the state of texas. while working towards his graduate degree, he taught 2 semesters of biology labs, interned with the texas commission on environmental quality, and started a family. we collected blood and feather samples from nestlings (n = 145) of 8 populations (baja california, chiapas, yucatan, tamaulipas, texas, louisiana, florida and the bahamas). he attended texas a&m university where he received a bachelor of science in bioenvironmental science in 2009.. fish and wildlife service (usfws), and three additional species are listed as threatened or endangered by the texas parks and wildlife department (tpwd). after graduating with a bachelor’s degree in 2008, she practiced for 3 years before starting her master’s program in wildlife ecology at texas state university-san marcos under the supervision of dr. after graduating in 2008, chelsea spent several years working in environmental education and ecology around the nation before starting a phd program at texas state in 2011. after gaining teaching, field work, and research experience in maryland, oregon, georgia, and south carolina, she moved to texas in 2011 and entered the aquatic resources phd program at texas state. thesis title: the effects of an artificially elevated thermal environment and seasonal acclimatization on the thermal tolerance of the western mosquitofish, gambusia affinis. meridian initiative research in texas and analysis of 100th meridian initiative data sponsored by. his fiancée, michelle curtis, is in the wildlife ecology program at texas state university and they have one son, davis, of whom they are very proud. in 2004, she returned to texas state university and received her masters of science degree in wildlife ecology in 2006.  in the second portion of my dissertation, i will evaluate this hypothesis by investigating responses of spring- and surface-associated macroinvertebrates to increasing water temperatures and decreasing do concentrations. in the fall, she will begin pursuing a phd at the university of texas graduate school of biomedical sciences (md anderson cancer center/ut health science center at houston). schistosomiasis is endemic in underdeveloped regions of 76 countries in sub-saharan africa, indo-china, tropical south america and the indo-pacific where over 200 million people are infected, resulting in over 200,000 deaths annually and large proportions of impacted populations with disabling symptoms.. programin the department of biology at texas state university in fall 2011. bliss was born in houston, texas and earned an ecology and evolutionary biology b. during the summer of 2015, he worked as an intern for texas parks and wildlife department at the gus engeling wildlife management area, tennessee colony, tx.. fish and wildlife services and the university of texas at arlington - ,500 pithis cooperative agreement is being proposed in order to allow dr.

while at texas state, lauren has taught genetics labs and worked as a houston toad monitor. differences in student attitudes towards science in secondary classrooms with resident scientists in texas. i surveyed 72 sites (point locations) across nine different study areas throughout the eastern edwards plateau ecoregion of central texas for fourteen survey occasions during 2013. analysis of the effects of suspended sediment and photosynthetically active radiation (par) on the vegetative growth of texas wild rice (zizania texana).  thesis title: effects of prolonged starvation on the zebra mussel, dreissena polymorpha (pallas).. in biology at texas state university, characterizing a putative picloram transporter protein in arabidopsis.  as a wildlife ecology master’s student at texas state university, he taught functional biology labs, worked as a wildlife biologist for all out ranch improvements, and held an ra position conducting surveys of the rio grande beaver in big bend national park. of a monitoring and early detection program for zebra mussel invasion of texas aquatic habitats sponsored by. in 2010, she entered the master’s in human nutrition program at texas state university and began her research in the molecular and cellular nutrition laboratory under dr. shobhit earned an ms in biology from texas state university in 2011 and entered the ph.. in population and conservation biology at texas state university, studying how urbanization affects the seasonal variation in hormones and behavior and how runoff from storms affects hormones of texas eurycea salamanders. of particular note for south-central texans is the regional species bufo houstonensis (houston toad). she graduated from the university of texas at austin in 2006 with a b. i examined landscape-scale (1, 2 and 5 km) habitat associations of sprague’s pipits over wintering in areas of arizona, new mexico, texas, and louisiana. nicholas began his masters of science in wildlife ecology at texas state university in the fall semester, 2014.. in chemistry, before transferring to texas state for her b. she also received her bachelors in animals science with a minor in biochemistry and then immediately went into her maters program in biology at texas state university. jon received a national science foundation graduate research fellowship in 2013 and a texas state thesis support fellowship in 2014. the purpose of the present study is to evaluate the p content and gross physical composition of sediments in four texas reservoirs; including one small run-of-the river reservoir (l. she graduated from texas state university in august of 2013 with her bachelors degree in biology, and immediately began work on her masters degree in biology at texas state university.  she was also an instructor’s assistant for freshman biology (non-majors) and a member of tribeta national biological honor society and the texas academy of science. meridian initiative research in texas and analysis of 100th meridian initiative data sponsored by industrial engineering - ,409 pithis proposal requests funds to continue the 100th meridian initiative in texas.: april bonnard graduated from texas state university in 2014 earning a b. funding is requested primarily to conduct interviews with boaters trailing boats into texas from eastern states regarding where their boats had previously been launched and where they will be launched in texas and to inspect boats and boat trailers from the presence of zebra mussels, aquatic plants and other potentially invasice aquatic organisms. in 2013, chelsea won a national science foundation fellowship, which facilitated the creation of the project spring science outreach program at texas state.  morphometric methodologies are utilized to qualitatively and quantitatively partition variation observed within and among texas snail populations. now after completing her masters at texas state university in population and conservation biology, she plans to continue her education studying topics at the intersection of community ecology, species distribution, and biodiversity conservation. for instance, if texas zebra mussel populations collapse 2-4 years after establishment, raw water facilities may want to develop relatively low-cost plans to control/mitigate mussel fouling of their facilities in the short-term rather than install permanent, costly changes to their infrastructure when their source waters may harbor dense zebra mussel infestations for only relatively short periods of time after mussel invasion..’s ongoing study of the population dynamics of zebra mussels in four infested texas water bodies (i. she attended texas state university and started her master’s study in the population and conservation biology program of the department of biology in 2012 and has been working with dr. barton springs salamander (bss), eurycea sosorum, is a federally endangered obligate aquatic salamander found only in a few spring outflows located in a highly urbanized recreational area of austin, texas.  because there was no difference in growth or survivorship, we fail to reject our null hypothesis that rifa has a negative impact on the survival and growth of juvenile houston toads.  purposes of this study were to quantify current community structure and habitat associations and to assess biotic integrity of the fish community within the comal springs complex, the greatest discharge spring within the edwards plateau region of central texas and located within the urban landscape. she started her master’s program in biology at texas state university in august 2013, and has been working as a graduate research assistant. i collected behavioral data over 154 observations along the headwaters of the san marcos river located in central texas; the river varies in its degree of human recreational activity and thereby disturbance varied across sites. for the first chapter of my thesis, i conducted road surveys, from march to october of 2014, in these understudied regions.

meridian initiative research in texas and analysis of 100th meridian initiative data - ,441 piut will work to collect and review information from various sources on aquatic invasive species and their pathway to spread. turtle harvest regulations in texas are based on assumptions regarding the overland movement patterns of adult red-eared slider (trachemys scripta elegans) on the landscape.  after being restricted to thermally stable spring runs for decades, these snails have recently exhibited unprecedented range expansions into the surface-fed guadalupe and lower san marcos rivers in central texas.  thesis title: thermal response and tolerance in the introduced freshwater bivalve, dreissena polymorpha (zebra mussel). to test these assumptions, i developed a novel method to monitor movements, achieving a higher resolution than what has been previously reported and allowed me to evaluate the source-sink harvest paradigm applied to texas freshwater turtle populations.. in wildlife ecology and management from texas a&m university in august 2008. here, i studied how these factors affect the stress of two federally threatened species of texas eurycea salamanders that are fully aquatic.  from these data, i created a map in arcgis showing bathymetry of the river, vegetation profiles, and sites of active beaver sign.  these birds vocalize infrequently and inhabit dense vegetation making them difficult to detect. while enrolled in the program she completed a second internship with texas parks and wildlife department at mason mountain wildlife management area. he earned a bs in wildlife and fisheries sciences from texas a&m university in may 2009, while simultaneously serving in the u.. from southwest university of science and technology, china with a major in bioengineering.. program at texas state university in fall 2014 and began working with dr. availability assessment for the gulf coast kangaroo rat (dipodomys compactus) in south-central texas.  he entered the wildlife ecology master’s program at texas state university in 2014. in 2014, i censused 64 plots across the state, of which 40 were included in the final analysis focusing on central texas. the south central texas eurycea clade presents a unique continuum of karst phenotypes, having representative species of both subterranean and above ground morphotypes. and vegetative associations of heteromyid rodents in central and south texas with comments on trapping techniques.. program at texas state university in the fall of 2009 and has been supported as an instructional assistant for organismal biology and as a national science foundation gk-12 fellow with project flowing waters.  after graduating from high school, she attended texas a&m in college station, texas, and began her undergraduate work. he joined the master of biology program here at texas state beginning june 2014. lastly, my research will be one of the few studies that follows an integrative approach to evaluate subterranean evolution in the edwards – trinity aquifer system of central texas.: beth crouchet was born in austin, texas and earned a b.  upon completion of her bachelor’s, she moved to san marcos, texas to pursue her education in aquatic biology under the direction of dr. of phosphorous, forms of phosphorous and physical composition of sediments in four central texas reservoirs.  this study sought to investigate changes in precipitation, streamflow, baseflow, and hydrologic properties of the pedernales watershed in central texas, as well as identify the primary aquifer system. bastrop county texas continues to support the largest known and best studied population of houston toads (bufo [anaxyrus] houstonensis).. in wildlife ecology here at texas state university, she has volunteered with austin water quality and plateau land and wildlife management, and has been an ia for functional biology labs.. in biology from texas a&m university-corpus christi in may 2011. started working on batrachochytrium dendrobatidis in central texas in 2011, when she joined the wildlife ecology msc. additionally, i employed these automated machine-learning techniques to document the presence or absence of the houston toad in two counties of texas, and then coupled those data with highly resolute details of the environmental conditions to examine call phenology of the houston toad and graphically visualize this behavior across a complete chorusing season. central texas rivers and aquifers are especially well connected due to karstic carbonate geology where gaining and losing streams, springs, and caves are common. kristy daniel at the university of southern mississippi in 2014 before transferring with her to texas state university where he joined the aquatic resources program. occupancy and population density of the crevice spiny lizard (sceloporus poinsettii) in the central mineral region of texas.: zebra mussels recently invaded central texas and more information is needed to predict their spread in this region and inform management decisions.:  cory scanes graduated from texas state university with a bs in biology in 2014.

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