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 296 for “"bats"”.
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Thermoenergetics of Indiana Bats
… increased, the metabolic rate of hibernating bats should increase, resulting in faster utilization of the bats' stored energy reserves; bats use more energy to maintain their torpid state at higher temperatures and arousals may occur more frequently. This increase in metabolism sacrifices …
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Bats, cities, and trees: The response of Midwestern bats to the urban forest gradient
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-02-04 without embargo terms
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Bats as Bushmeat in Ghana
… 2002). Of the many animals hunted for bushmeat, bats pose a number of unanswered questions. Hosting almost sixty viruses that can or do infect humans (Wong et al., 2007), bats globally also are suffering severe population declines due to overhunting (Streubig et al., 2007; Harrison et al., 2011). …
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Bats of the Monongahela National Forest
<p>Populations of bats across the eastern United States have experienced significant declines in recent years. Insight into their distributions and habitat associations, as well as understanding population trends, will aid in conservation efforts. In this study, the geographic distributions of the …
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Structure of an Ensemble of Insectivorous Bats
… or two traits. Using seven sympatric Jamaican bats, I examined features which could allow for spatial, temporal, behavioural and dietary partitioning including wing morphology, echolocation characteristics, flight behaviour, habitat use, and diet. Using acoustic arrays I compared activity …
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Bats and trees in a managed forest
… of social and environmental objectives, impacts bats. In Chapter One, I introduce the focal species and information relevant to their roosting and foraging ecology. In Chapter Two, I present the results of a study in which my field assistants and I revisited historical roost trees used by Indiana …
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Are bats evolving more potent antiviral immune systems? Investigating the evolution and antiviral capacity of SERINC3 in Rhinolophus bats
Bats are an incredibly diverse and abundant viral reservoir species. Their immune systems are uniquely anti-inflammatory and anti-viral, often tolerating viral infection without any signs of disease. Several pandemic and emerging viruses have been traced back to different bat species, including …
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Ecophysiology of Hibernating Eastern Red Bats (Lasiurus Borealis)
Many bats utilize torpor mechanisms to conserve energy during daily rest or seasonal periods of inactivity. Seasonal torpor (hibernation) allows bats to avoid thermoregulatory costs of extreme conditions. Unlike other temperate hibernating bats, eastern red bats (Lasiurus borealis) do not utilize …
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Habitat Use of Urban Bats in Springfield, Missouri
<p>During the summers of 1998-2000, the Anabat II bat detector system was placed in a mosaic of habitats within Springfield, Missouri and surrounding rural areas in southern Missouri to compare the activity indices of nine bat species between urban and rural environments. A total of 1,876 …
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Adaptive Movements And Thermoregulation In Big-Eared Bats
… I studied a colony of Rafinesque's big-eared bats (Corynorhinus rafinesquii) to learn more about clustering behavior using infrared video. I predicted that temperature would be the primary driver of how and when bats cluster while roosting. The actual relationship was not as predicted by an …
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Role of materials & design on performance of baseball bats
… bat injuries has brought the performance of the bats into question. A review of several studies focusing on the effects of the material properties of various baseball bats designs were examined. From this review it is evident that player and spectator safety greatly rely on proper baseball bat …
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Digit formation during embryonic development of bats and mice
… of a strikingly elongated and webbed FL in bats, which contrasts with a small, free-toed HL, has seen extensive research into bat wing development in an effort to determine the molecular mechanism driving limb development. A recent RNA-seq and ChIP-seq study carried out on M. natalensis …
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Seasonal activity patterns of bats in the Central Appalachians
Two threats to bats are especially pervasive in the central Appalachian Mountains of the eastern United States: a fungal disease called White-nose Syndrome (WNS) and wind energy development. White-nose Syndrome has caused the death of millions of bats in North America, and multiple hibernating bat …
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Impacts of Fire on Bats in the Central Appalachians
… surrogate to assess long-term burn impacts on bats, which in turn can be used to better inform bat and prescribed fire relationships. To examine effects of historic fire on bats, we assessed bat presence using acoustic detections at 16 paired burned and unburned forest stands in Shenandoah …
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Transfer Entropy Analysis of the Interactions of Flying Bats
… of collecting the 3D trajectories of flying bats is first presented. An array of commercially available camera and light components is used alongside a number of well-established calibration and triangulation techniques to resolve the motion of agents through a 3D volume. It is shown that …
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Spatial and Temporal Activity of Migratory Bats at Landscape Features
… important features for navigation of migrating bats although spatial and temporal activity may depend on species-specific migration strategies. I predicted that latitudinal migrating bats would have higher activity along north-south oriented linear landscape features, especially during …
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Development and application of an echolocation model inspired by bats
… study explores the principles of echolocation in bats which can be potentially<br/>adopted for bio-inspired sonar systems. Using a biological signal processing technique<br/>which was developed based on bat’s hearing system, the effect of auditory processing<br/>on the object discrimination is …
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Phylogenetic and Morphological Community Structure of North American Desert Bats
… to phylogenetic data using North American desert bats as a model system. I found that PCS metrics were robust to moderate changes to phylogeny and that these metrics also trend in the same direction regardless of delimitation method. Bat communities tended to be made up of species that were …
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Variability in the Pinna Motions of Hipposiderid Bats, Hipposideros Pratti
Bats are known for their highly capable biosonar systems which make them be able to navigate and forage in dense vegetation. Their biosonar system consists of one emitter (nose or mouth) and two receivers (ears). Some bat species, e.g. in the rhinolophid and hipposiderid families, have complicated …
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