Hibernation And Torpor In Mammals And Birds
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Hibernation And Torpor In Mammals And Birds
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Author : Charles P Lyman
language : en
Publisher: Elsevier
Release Date : 2013-07-10
Hibernation And Torpor In Mammals And Birds written by Charles P Lyman and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-07-10 with Nature categories.
Hibernation and Torpor in Mammals and Birds explores the physiological factors that control hibernation and torpor in birds and mammals. This text covers topics ranging from metabolism in hibernation to the role of endocrines, respiration and acid-base state in hibernation, and theories of hibernation. This book is comprised of 14 chapters and begins with an overview of some clear-cut definitions and why mammals and birds hibernate. The reader is then introduced to the variations from euthermia that have been observed among birds and mammals. To give some structure to this listing, the approach is phylogenetic, starting with the birds and proceeding through the primitive to the more advanced mammals. Subsequent chapters explains the process of entering hibernation and the hibernating state, itself; capability of a species in natural hibernation to arouse from that state using self-generated heat; physiological changes at the start of a spontaneous arousal; and physiological mechanisms underlying the ability of hibernators to rewarm. Consideration is also given to intermediary metabolism in hibernation, cold adaptation of metabolism in hibernators, and the response of hibernators to various extrinsic influences such as neoplastic growth, radiation injury, and parasitism and symbionts. This book will be of interest to students and researchers in fields ranging from zoology to physiology and biophysics.
Hibernation And Torpor In Australian Mammals And Birds
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Author : Fritz Geiser
language : en
Publisher:
Release Date : 2005
Hibernation And Torpor In Australian Mammals And Birds written by Fritz Geiser and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Birds categories.
Evolution Of Daily Torpor And Hibernation In Birds And Mammals
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Author : F. GEISER
language : en
Publisher:
Release Date : 1998
Evolution Of Daily Torpor And Hibernation In Birds And Mammals written by F. GEISER and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.
Ecological Physiology Of Daily Torpor And Hibernation
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Author : Fritz Geiser
language : en
Publisher: Springer Nature
Release Date : 2021-08-23
Ecological Physiology Of Daily Torpor And Hibernation written by Fritz Geiser and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-08-23 with Science categories.
This book provides an in-depth overview on the functional ecology of daily torpor and hibernation in endothermic mammals and birds. The reader is well introduced to the physiology and thermal energetics of endothermy and underlying different types of torpor. Furthermore, evolution of endothermy as well as reproduction and survival strategies of heterothermic animals in a changing environment are discussed. Endothermic mammals and birds can use internal heat production fueled by ingested food to maintain a high body temperature. As food in the wild is not always available, many birds and mammals periodically abandon energetically costly homeothermic thermoregulation and enter an energy-conserving state of torpor, which is the topic of this book. Daily torpor and hibernation (multiday torpor) in these heterothermic endotherms are the most effective means for energy conservation available to endotherms and are characterized by pronounced temporal and controlled reductions in body temperature, energy expenditure, water loss, and other physiological functions. Hibernators express multiday torpor predominately throughout winter, which substantially enhances winter survival. In contrast, daily heterotherms use daily torpor lasting for several hours usually during the rest phase, some throughout the year. Although torpor is still widely considered to be a specific adaptation of a few cold-climate species, it is used by many animals from all climate zones, including the tropics, and is highly diverse with about 25-50% of all mammals, but fewer birds, estimated to use it. While energy conservation during adverse conditions is an important function of torpor, it is also employed to permit or facilitate energy-demanding processes such as reproduction and growth, especially when food supply is limited. Even migrating birds enter torpor to conserve energy for the next stage of migration, whereas bats may use it to deal with heat. Even though many heterothermic species will be challenged by anthropogenic influences such as habitat destruction, introduced species, novel pathogens and specifically global warming, not all are likely to be affected in the same way. In fact it appears that opportunistic heterotherms because of their highly flexible energy requirements, ability to limit foraging and reduce the risk of predation, and often pronounced longevity, may be better equipped to deal with anthropogenic challenges than homeotherms. In contrast strongly seasonal hibernators, especially those restricted to mountain tops, and those that have to deal with new diseases that are difficult to combat at low body temperatures, are likely to be adversely affected. This book addresses researchers and advanced students in Zoology, Ecology and Veterinary Sciences.
Physiology Of Hibernation And Related Lethargic States In Mammals And Birds
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Author : Paul Raths
language : en
Publisher:
Release Date : 1976
Physiology Of Hibernation And Related Lethargic States In Mammals And Birds written by Paul Raths and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Birds categories.
Life In The Cold
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Author : Gerhard Heldmaier
language : en
Publisher: Springer Science & Business Media
Release Date : 2000-08-07
Life In The Cold written by Gerhard Heldmaier and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-08-07 with Medical categories.
This book gives an up-to-date account of the current knowledge of cold adaptation in animals, including phenomena like hibernation, daily torpor, thermoregulation and thermogenesis, metabolic regulation, freeze tolerance, anaerobiosis, metabolic depression and related processes. For the next four years - until the 12th International Hibernation Symposium - it will serve as a state-of-the-art reference source for every scientist and graduate student working in these areas of physiology and zoology.
Fires Of Life
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Author : Barry Gordon Lovegrove
language : en
Publisher: Yale University Press
Release Date : 2019-06-25
Fires Of Life written by Barry Gordon Lovegrove and has been published by Yale University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-06-25 with Science categories.
A groundbreaking argument on how endothermy—arguably the most important innovation in vertebrate evolution—developed in birds and mammals “Vividly narrated and illustrated. . . . Provocative and fascinating for specialists and lay readers alike.”—Southeastern Naturalist This pioneering work investigates why endothermy, or “warm-bloodedness,” evolved in birds and mammals, despite its enormous energetic costs. Arguing that single-cause hypotheses to explain the origins of endothermy have stalled research since the 1970s, Barry Gordon Lovegrove advances a novel conceptual framework that considers multiple potential causes and integrates data from the southern as well as the northern hemisphere. Drawing on paleontological data; research on extant species in places like the Karoo, Namaqualand, Madagascar, and Borneo; and novel physiological models, Lovegrove builds a compelling new explanation for the evolution of endothermy. Vividly narrated and illustrated, this book stages a groundbreaking argument that should prove provocative and fascinating for specialists and lay readers alike.
Animals At The Extremes Hibernation And Torpor
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Author : The Open University
language : en
Publisher: The Open University
Release Date :
Animals At The Extremes Hibernation And Torpor written by The Open University and has been published by The Open University this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
This 14-hour free course examined the differences between animal hibernation and torpor, such as the triggers for each condition and their physiology.
Living In A Seasonal World
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Author : Thomas Ruf
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-04-23
Living In A Seasonal World written by Thomas Ruf and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-04-23 with Science categories.
This book summarises the newest information on seasonal adaptation in animals. Topics include animal hibernation, daily torpor, thermoregulation, heat production, metabolic depression, biochemical adaptations, neurophysiology and energy balance. The contributors to this book present interdisciplinary research at multiple levels ranging from the molecular to the ecophysiological, as well as evolutionary approaches. The chapters of this book provide original data not published elsewhere, which makes it the most up-to-date, comprehensive source of information on these fields. The book’s subchapters correspond to presentations given at the 14th International Hibernation Symposium in August 2012 in Austria. This is a very successful series of symposia (held every four years since 1959) that attracts leading researchers in the field. Like the past symposia, this meeting – and consequently the book – is aimed not only at hibernation but at covering the full range of animal adaptations to seasonal environments. For the next four years, this book will serve as the cutting-edge reference work for graduate students and scientists active in this field of physiology and ecology. .
Hibernation In Mammals And Birds
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Author : Charles Peirson Lyman
language : en
Publisher:
Release Date : 1963
Hibernation In Mammals And Birds written by Charles Peirson Lyman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Animal behavior categories.