Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 21 for “"Prairie dogs"”.
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Effects of Black-tailed Prairie Dogs (Cynomys Iudovicianus) on Soil Erosion
… by fauna. Soil traps were implemented in a prairie dog town 14 miles NW of Killdeer, ND to measure and compare erosion rates within the prairie dog town to those of a control site comprised of natural prairie grasses and void of prairie dogs. Results from 81 days (May 31st-September 20th) …
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Ecology and physiology of free ranging black-tailed and Utah prairie dogs
… distribution and distinct torpor patterns, prairie dogs present a model system for the study of torpor. Utah prairie dogs (Cynomys parvidens), which are believed to hibernate continuously during winter, can be contrasted with black-tailed prairie dogs (Cynomys ludovicianus), which enter …
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Prairie dogs, plants, and pollinators: tri-trophic interactions affect plant-insect floral visitor webs in shortgrass steppe
I investigated how black-tailed prairie dogs (Cynomys ludovicianus) altered pollinator habitat, specifically in terms of bare ground cover and floral resources, on northeastern Colorado's Pawnee National Grassland, in 2003 through 2005. I also measured changes in habitat utilization by insect …
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Scampering in the City: Examining the Ecological and Social Viability of Black-Tailed Prairie Dogs (Cynomys ludovicianus) in Denver, Colorado
<p>The conservation of prairie dogs is highly contested due to the embedded view that they are pests. This research addressed the ecological and social viability of prairie dog colonies in Denver, Colorado. Remote sensing analysis was applied to identify potentially viable areas for urban prairie …
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Key To Microscopic Fragments of Plant Tissue in Prairie Dog Stomachs and Food Habits of Prairie Dogs in South Dakota
… and construct a key of plants occurring on prairie dog towns in southwest South Dakota; (2) determine plant species eaten by prairie dogs by analyzing stomach and pellet samples; and (3) relate the availability of plant species and preference in the feeding habits of prairie dogs. Two …
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Life History and Ecology of the Black-Footed Ferret in the Wild
… 1967. All observations were made on black-tailed prairie-dog (Cynomys ludovicianus) towns from 15 to 100 acres in size. Because of the proximity of towns inhabited by ferrets, it was possible that individual animals were observed in more than one location. Three litters of ferrets were studied. …
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Digestibility of Common Forage Plants and Energetic Requirements of the Black-Tailed Prairie Dog
<p>Black-tailed prairie dogs (Cynomys ludovicianus) assimilated 51.5 percent of the wheatgrass (Agropyron intermedium) they consumed; thus, they would have to consume 0.148 kcal · g-1 · day-l in order to obtain the 0.076 kcal · g-1 · day-1 they would require to maintain their weight. Prairie dogs …
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Evaluation of Barriers to Black-Tailed Prairie Dog (Cynomys ludovicianus) Colony Expansion, Bad River Ranches, South Dakota
… of South Dakota recently approved a black-tailed prairie dog (Cynomys ludovicianus) conservation and management plan (House Bill 1252 and Senate Bill 216, An Act to Mitigate the Impact of Prairie Dogs), which placed restrictions on prairie dog colonies that encroach upon private property where …
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Ecology of the Black-Footed Ferret and the Black-Tailed Prairie Dog
… ferret (Mustela nigripes) and black-tailed prairie dog (Cynomys ludovicianus) was conducted during 1968 and 1969. Eighteen prairie dog burrows were excavated in 1968 and 1969. Burrow systems ranged from 13 to 109 feet long and 3 to 14 feet deep. Fifteen of the burrows exhibited dome-shaped …
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Effects of Diethylstilbestrol on Reproduction in the Black-Tailed Prairie Dog
… on the reproductive cycle of the black-tailed prairie dog (Cynomys ludovicianus) and to test effectiveness of diethylstilbestrol as a reproductive inhibitor. Embryo body lengths from 10 pregnant females were compared to body lengths of 14 known day-old young to learn the peak breeding period …
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Establishing genetic and physiological baselines for the black-tailed prairie dog (Cynomys ludovicianus).
The black-tailed prairie dog (Cynomys ludovicianus) has experienced dramatic declines over much of its historical range due to habitat loss, plague, poisonings, and shootings. Many populations now occur as isolated genetic relicts. A multiple locus genetic profile was obtained using microsatellite …
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Ranges of consideration: crossing the fields of ecology, philosophy and science studies.
… the thesis I show the significance of nonhumans (prairie dogs, cattle, biological assessment sheets, environmental laws, etc.) in the human community. Only by considering the roles of nonhumans do we broaden and enrich the conversation between ourselves concerning environmental issues.
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Habitat Selection by Swift Foxes in Badlands National Park and the Surrounding Area in South Dakota
… fox habitat selection, with the exception of prairie dogs. Swift foxes used areas closer to prairie dogs towns and roads more than expected if use was random. A location 5 km away from prairie dog towns was 40 times less likely (95% CI = 14 - 116) to be inhabited by swift foxes then a location …
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Use of Natural Vegetative Barriers to Limit Black-Tailed Prairie Dog Town Expansion in Western South Dakota
Prairie dog (Cynomys ludovicianus) control has historically consisted of lethal methods to maintain, reduce, or eliminate populations. Non-lethal methods of control for prairie dogs are desired to meet changing management objectives. Use of naturally occurring buffer strips as vegetative barriers …
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Breeding success, prey use, and mark-resight estimation of burrowing owls nesting on black-tailed prairie dog towns: plague affects a non-susceptible raptor
… We investigated the effects of plague, prairie dog town dynamics, and rainfall on burrowing owls (Athene cunicularia) nesting in black-tailed prairie dog (Cynomys ludovicianus) burrows in the shortgrass steppe of northern Colorado. We examined effects on prey use, nest density, and …
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The Effects of Three Rodenticides on Nontarget Small Mammals and Invertebrates
… applied September 22-24, 1983 on 15 black-tailed prairie dog (Cynomys ludovicianus) towns. Immediate (September 1983) and long-term (September 1983 through August 1984) rodenticide efficacy and impacts on non-target wildlife species were evaluated. None of the 3 rodenticide treatments produced …
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Three essays on disease, development, and intervention
… between the endangered black footed ferret and prairie dogs which are susceptible to sylvatic plague outbreaks. While specific results are sensitive to biological and economic parameters, we find a defined switch point between the recommended use of spatial vs. individual disease mitigation …
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Efficacy of Scent Dogs in Detecting Black-Footed Ferrets (Mustela nigripes) at a Reintroduction Site in South Dakota
… sites. Specially trained detection dogs were tested on their ability to detect presence or absence of ferrets. Training and testing of the dogs was broken up into three progressive sessions: Pilot Study A, Pilot Study B, and Final Field Test. Pilot Study A tested four specially …
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