Understanding The Winter Habitats Of Ohio S Hibernating Bats
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Understanding The Winter Habitats Of Ohio S Hibernating Bats
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Author : Levi Johnson
language : en
Publisher:
Release Date : 2021
Understanding The Winter Habitats Of Ohio S Hibernating Bats written by Levi Johnson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with Bats categories.
North American bat populations have experienced precipitous declines since the introduction of white nose syndrome (WNS). However, bats in areas where WNS has become endemic have begun to respond to the disease. Response to WNS seems to be region and species specific; bats enter hibernation with more body fat, choose colder hibernacula, or show no response and continue to overwinter in the same conditions prior to WNS. A growing body of evidence also exists for bats using aboveground rock crevices, which may have implications for understanding the WNS response, but more research is required to fully understand this hibernation pattern. In this study, I gathered bat population and habitat data via visual surveys of above and belowground hibernacula and QGIS software to better understand WNS response patterns within the state. To investigate the bats’ response to WNS in belowground hibernacula, I conducted an analysis for counts of big brown bats, tricolored bats, and little brown myotis hibernating in caves, mines, and inactive railroad tunnels in relation to several environmental factors including hibernaculum temperature, pre WNS count data, presence of standing water, and density of nearby hibernacula (Chapter 1). To better understand the use of nontraditional hibernacula, I examined the relationship between numbers of big brown bats hibernating in aboveground rock crevices and several habitat features including crevice height above ground, crevice azimuth, elevation, topographic roughness, and distance to water source and nearby belowground hibernacula (Chapter 2). I found that thermally stable belowground hibernacula with standing water were important for WNS susceptible little brown myotis and tricolored bats, while less susceptible big brown bats continued to select their pre-WNS hibernacula where standing water was present. I also found that big brown bats were more likely to be found in aboveground rock crevices that were high off the ground, had high amounts of forest cover, and were at lower elevations. The data presented in this study supports that bats’ response to WNS is region and species specific, and that aboveground rock crevice hibernacula could be a vital winter refuge from WNS. Additionally, this study supports that aboveground rock crevices can function as suitable hibernacula in areas where belowground habitat is scarce, but also expands on this knowledge by showing that several species of bats use rock crevices even when belowground habitat is abundant.
Mammals Of Ohio
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Author : John D. Harder
language : en
Publisher: Ohio University Press
Release Date : 2022-03-18
Mammals Of Ohio written by John D. Harder and has been published by Ohio University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-03-18 with Nature categories.
An updated, informative review of the status and biology of the fifty-five species of mammals living wild in Ohio, richly illustrated with photographs, maps, drawings, and original artwork. This comprehensive reference illustrates how species within each of the seven orders of mammals in Ohio share modes of reproduction, locomotion, and nutrition, providing a framework for understanding the fascinating world of mammalian biology. Presentations of natural history in each account of the various species are enhanced with descriptions of intriguing adaptations for avoiding demise from predators, food shortages, and the frigid conditions of Ohio winters. The book is richly illustrated with range maps, exquisite skull drawings, beautiful photography, and engaging artwork. Challenges to wildlife conservation are considerable in Ohio, with its vast industrialized urban centers distributed across a largely agricultural landscape. With frequent citations of scientific reports and conservation efforts of the Ohio Division of Wildlife and of other public and private entities, this book instills an appreciation for the rich mammalian fauna of Ohio, as well as knowledge on how to join efforts to protect it. Covering all of the state’s mammals, from tiny, obscure shrews to the magnificent white-tailed deer, Mammals of Ohio is a definitive resource for professional biologists and students. The narrative style throughout the book is accessible, providing the general reader with an appreciation for the full scope of the rich mammalian diversity in the state.
Autumn And Winter Activity Of Bats Outside Potential Hibernacula
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Author : Lucille Marie Williams
language : en
Publisher:
Release Date : 2022
Autumn And Winter Activity Of Bats Outside Potential Hibernacula written by Lucille Marie Williams and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with Abandoned mines categories.
The arrival of white-nose syndrome (WNS) in North America has exposed large gaps in our understanding of bat ecology, highlighting the importance of understanding species’ natural history. As the need to locate and protect remnant bat populations has increased, it has become apparent that important winter habitats have been overlooked. To improve our understanding of overwintering bat communities and their habitats, I deployed acoustic bat detectors outside potential hibernacula during autumn and winter. I aimed to determine if visual surveys of traditional (caves, mines, and railroad tunnels) and non-traditional (cliffs and rock outcrops) hibernacula underrepresent bat species richness at the site and used model selection to determine what suite of variables best predicted winter activity (Chapter 1). I also used model selection to determine if external characteristics of abandoned underground mines predicted swarming activity during autumn (Chapter 2). I found that winter acoustic surveys detected greater bat species richness outside both traditional and non-traditional hibernacula than visual surveys. In addition, I found that daily temperature and precipitation influenced activity of all species, with the most activity occurring on relatively warmer nights with little precipitation. Temperature also positively influenced activity of big brown bats (Eptesicus fuscus), tricolored bats (Perimyotis subflavus), and Myotis species outside of abandoned mines during autumn. Activity of Myotis species was positively influenced by shorter and wider mine entrance shape, tricolored bat activity was positively influenced by larger mine entrance areas and lower densities of potential hibernacula, and big brown bat activity was positively influenced by larger underground mine extents. These findings can provide insight to locate, better evaluate, and conserve vital overwintering bat habitat.
50 Years Of Bat Research
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Author : Burton K. Lim
language : en
Publisher: Springer Nature
Release Date : 2021-01-23
50 Years Of Bat Research written by Burton K. Lim and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-01-23 with Science categories.
With more than 1,400 species, bats are an incredibly diverse and successful group of mammals that can serve as model systems for many unique evolutionary adaptations. Flight has allowed them to master the sky, while echolocation enables them to navigate in the dark. Being small, secretive, nocturnal creatures has made bats a challenge to study, but over the past 50 years, innovative research has made it possible to dispel some of the mystery and myth surrounding them to give us a better understanding of the role these animals play in the ecosystem. The structure of the book is based on several broad themes across the biological sciences, including the evolution of bats, their ecology and behavior, and conservation of biodiversity. Within these themes are more specific topics on important aspects of bat research, such as morphology, molecular biology, echolocation, taxonomy, systematics, threats to bats, social structure, reproduction, movements, and feeding strategies. Given its scope, the book will appeal to the wider scientific community, environmental organizations, and government policymakers who are interested in the interdisciplinary aspects of biology and nature.
Conservation Assessments For Five Forest Bat Species In The Eastern United States
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Author : Frank Richard Thompson
language : en
Publisher:
Release Date : 2006
Conservation Assessments For Five Forest Bat Species In The Eastern United States written by Frank Richard Thompson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Bats categories.
Bats Of Ohio
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Author : Virgil Brack
language : en
Publisher:
Release Date : 2010
Bats Of Ohio written by Virgil Brack and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Bats categories.
Revised Land And Management Plan For The Jefferson National Forest
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Author : United States. Forest Service. Southern Region
language : en
Publisher:
Release Date : 2004
Revised Land And Management Plan For The Jefferson National Forest written by United States. Forest Service. Southern Region and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
Jefferson National Forest Final Environmental Impact Statement For The Revised Land And Resource Management Plan January 2004
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Author :
language : en
Publisher:
Release Date : 2004
Jefferson National Forest Final Environmental Impact Statement For The Revised Land And Resource Management Plan January 2004 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
Tennessee River Chip Mill Terminals
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Author :
language : en
Publisher:
Release Date : 1993
Tennessee River Chip Mill Terminals written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.
Final Environmental Impact Statement
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Author : Tennessee Valley Authority
language : en
Publisher:
Release Date : 1993
Final Environmental Impact Statement written by Tennessee Valley Authority and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Guntersville Lake (Ala. and Tenn.) categories.