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Multivariate Analyses of Amphibian and Reptilian Distribution in Texas

Description: Presence-absence data for amphibians, chelonians, saurians, ophidians, and the terrestrial and aquatic ecological guilds of reptilians were analyzed using multivariate analyses. Geographically consistant distributional patterns were found for all faunal groupings. The correspondence between analyses of the different taxa and guilds was not perfect, but similarities were found. All analyses agreed on the presence of a distinctive region in east Texas. Most analyses also agreed on the presence of… more
Date: August 1988
Creator: Ward, Rocky
Partner: UNT Libraries
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Investigations on Abundance, Habits, and Distribution of Amphibians and Reptiles of Denton County, Texas

Description: The purpose of the present study of the herpetofauna was to obtain additional information regarding the vertebrates of Denton County, and to produce a well-preserved, cataloged collection of the amphibians and reptiles for the Museum of Zoology, North Texas State University. An understanding of the vertebrate life of the county also involves an investigation of the habitats within the county that may, in part, count for the distribution of these animals. It is well recognized that the environme… more
Date: January 1967
Creator: Telfair, Raymond Clark
Partner: UNT Libraries
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An Analysis of Distribution Patterns of Amphibians and Reptiles in Texas

Description: The purpose of this investigation was to analyze the distribution of amphibians and reptiles in Texas by means of the methods of Webb and Hagmeier and Stults. An additional graphical analysis was made, including range and range limits which provides a cross-section of faunal change along selected base lines across the state.
Date: August 1969
Creator: Leonard, Cuyler Hershey
Partner: UNT Libraries
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Systematics of Coccidian Parasites (Apicomplexa) from Amphibians and Reptiles in Northcentral Texas

Description: Between February 1986 and October 1988, 863 amphibians and reptiles were collected in northcentral Texas and examined for coccidial parasites. Thirteen percent of amphibians <26% salamanders, 11% frogs and toads) and 28% of reptiles (54% turtles, 25% snakes) harbored 20 previously described and 16 new species of coccidia; overall prevalence of infection was 176/863 < 20%). Sixteen Ambvstoma texanum were infected with Eimeria ambystomae which represents new host and geographic locality records f… more
Date: December 1989
Creator: McAllister, Chris Thomas
Partner: UNT Libraries
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An Ecological Survey of the Reptiles and Amphibians of Wise county, Texas

Description: The purpose of this study was to record the relationships between the reptiles and amphibians of Wise County and the ecological subdivisions of the area. Wise County was chosen because of the heterogenity of the area and because of its proximity to other counties which have been previously and similarly studied.
Date: January 1970
Creator: Welch, Donald A.
Partner: UNT Libraries
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An Ecological Survey of the Herpetofauna of Palo Pinto County, Texas

Description: The purpose of this research was to compile a presence list of reptiles and amphibians that occur in Palo Pinto County, Texas, and to investigate the ecological distributions and zoogeographic affinities of these herpetiles. The study area was chosen primarily because of its location in North Central Texas and its rugged topography, which sets it apart from the surrounding area.
Date: August 1969
Creator: Porter, Stuart T.
Partner: UNT Libraries
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Contribution of active atrial contraction to cardiac output in anesthetized American alligators (Alligator mississippiensis)

Description: Article describes study which investigated the importance of atrial contraction in filling of the ventricle in American alligators (Alligator mississippiensis) by bypassing both atria (with the use of ligatures to prevent atrial filling) and measuring the resultant effects on cardiac output in anesthetized animals.
Date: April 30, 2018
Creator: Williams, Joyce E.; Crossley, Janna; Elsey, Ruth M.; Wang, Tobias & Crossley, Dane A., II
Partner: UNT College of Science
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Embryonic developmental oxygen preconditions cardiovascular functional response to acute hypoxic exposure and maximal β-adrenergic stimulation of anesthetized juvenile American alligators (Alligator mississippiensis)

Description: Article investigating the effect of embryonic hypoxia on the cardiovascular phenotype of 4-year-old American alligators (Alligator mississippiensis). The findings indicate that embryonic hypoxia in crocodilians alters the cardiovascular phenotype, changing the juvenile response to acute hypoxia and β-adrenergic stimulation.
Date: November 8, 2019
Creator: Smith, Brandt R.; Crossley, Janna; Elsey, Ruth M.; Hicks, James W. & Crossley, Dane A., II
Partner: UNT College of Science
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Role of the left aortic arch and blood flows in embryonic American alligator (Alligator mississippiensis)

Description: This article investigates the role of the left aorta (LAo) in embryonic American alligators by surgically occluding the LAo and measuring oxygen consumption and, in addition, measured hemodynamic responses to hypoxia in embryonic alligators.
Date: October 30, 2010
Creator: Eme, John; Crossley, Dane A., II & Hicks, James W.
Partner: UNT College of Arts and Sciences
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Convective oxygen transport during development in embryos of the snapping turtle Chelydra serpentina

Description: This article describes a study investigating the maturation of convective oxygen transport in embryos of the snapping turtle (Chelydra serpentina). Measurements included: mass, oxygen consumption, heart rate, blood oxygen content and affinity and blood flow distribution at 50%, 70% and 90% of the incubation period.
Date: September 24, 2018
Creator: Sartori, Marina R.; Kohl, Zachary F.; Taylor, Edwin W.; Abe, Augusto S. & Crossley, Dane A., II
Partner: UNT College of Science
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Does the left aorta provide proton-rich blood to the gut when crocodilians digest a meal?

Description: Article measuring blood parameters in the left aortae and atria of crocodilians. The findings do not support the hypothesis that a R–L shunt serves to deliver CO2 for the gastrointestinal system after feeding in crocodilians.
Date: April 1, 2019
Creator: Conner, Justin L.; Crossley, Janna; Elsey, Ruth M.; Nelson, Derek; Wang, Tobias & Crossley, Dane A., II
Partner: UNT College of Science
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Amphibians and Reptiles of Los Alamos County

Description: Recent studies have shown that amphibians and reptiles are good indicators of environmental health. They live in terrestrial and aquatic environments and are often the first animals to be affected by environmental change. This publication provides baseline information about amphibians and reptiles that are present on the Pajarito Plateau. Ten years of data collection and observations by researchers at Los Alamos National Laboratory, the University of New Mexico, the New Mexico Department of Gam… more
Date: October 1, 1999
Creator: Foxx, Teralene S.; Haarmann, Timothy K. & Keller, David C.
Partner: UNT Libraries Government Documents Department

[Snake in a tank]

Description: Photograph of a snake in a tank. The tank is on a shelf. The snake is looking away from the camera and sliding up the side of the tank.
Date: May 29, 1974
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections
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Terrestrial herpetofauna of Limnos and Agios Efstratios (Northern Aegean, Greece), including new species records for Malpolon insignitus (Geoffroy Saint-Hilaire, 1827) and Pelobates syriacus Boettger, 1889

Description: This article presents herpetofaunal observations from Limnos and Agios Efstratios, two Asia Minor continental shelf islands in the Aegean Sea. Comprehensive surveys over 88 days in total on Limnos, over a period of nine years, consisted mainly of visual encounter surveys and road cruised observations, revealed the presence of three species of amphibians and twelve species of reptiles, including two new species records for the island (Malpolon insignitus and Pelobates syriacus). The results of t… more
Date: October 25, 2016
Creator: Strachinis, Ilias & Roussos, Stephanos Antonios
Partner: UNT College of Arts and Sciences
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The Long-Term Effects of Developmental Hypoxia on Cardiac Mitochondrial Function in Snapping Turtles

Description: This article investigates the long-term effects of developmental hypoxia on mitochondrial function in a species that regularly encounters hypoxia during development. Findings speculate that adjustments might improve mitochondrial hypoxia tolerance, which would be beneficial for turtles during breath-hold diving and overwintering in anoxic environments.
Date: June 28, 2021
Creator: Galli, Gina L. J.; Ruhr, Ilan M.; Crossley, Janna & Crossley, Dane A., II
Partner: UNT College of Science
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Determining priority areas for an Endangered cold-adapted snake on warming mountaintops

Description: This article develops a spatial prioritization model based on accurate estimates of remotely-sensed data and maps of threats potentially affecting long-term species persistence to identify priority areas for the conservation of the Endangered Greek meadow viper Vipera graeca, a cold-adapted species inhabiting mountaintops in the Pindos Mountains of Greece and Albania.
Date: March 12, 2020
Creator: Mizsei, Edvárd; Szabolcs, Márton; Szabó, Loránd; Boros, Zoltán; Mersini, Kujtim; Roussos, Stephanos Antonios et al.
Partner: UNT College of Science
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Studies of annual and seasonal variations in four species of reptiles and amphibians at Los Alamos National Laboratory

Description: Baseline studies of reptiles and amphibians of the Pajarito wetlands at Los Alamos National Laboratory have been conducted by the Ecology group since 1990. With the gathered data from 1990--1997 (excluding 1992), they plan to determine if patterns can be found in the annual and seasonal population changes of four species of reptiles and amphibians over the past seven years. The four species studied are the Woodhouse toad, the western chorus frog, the many-linked skink, and the plateau striped w… more
Date: November 1, 1998
Creator: Nelson, E.I.; Haarmann, T.; Keller, D.C. & Foxx, T.
Partner: UNT Libraries Government Documents Department
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Aeromonas hydrophila as an agent of infection in alligators. Phase I, final report. Progress report, September 1, 1976--September 30, 1977, Part I

Description: Experimental alligators were exposed to various concentrations of young, washed cells of Aeromonas hydrophila under controlled conditions. Responses of all alligators were monitored on the basis of: observations of external lesions; immunoglobulin production; blood chemistry and hematology; bacteriology, parasitology, and pathology of internal organs, skeletal muscle and external lesions at necropsy. The findings are summarized.
Date: January 1, 1977
Creator: Gorden, R. W. & Esch, G. W.
Partner: UNT Libraries Government Documents Department
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