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Author : Francis Gano Benedict
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (883 download)
Download or read book Hibernation and Marmot Physiology written by Francis Gano Benedict and published by . This book was released on 1938 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Francis Benedict
Publisher :
ISBN 13 : 9781258648169
Total Pages : 254 pages
Book Rating : 4.6/5 (481 download)
Download or read book Hibernation and Marmot Physiology written by Francis Benedict and published by . This book was released on 2013-03 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Francis Gano Benedict
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (144 download)
Download or read book Hibernation and Marmot Physiology, &c written by Francis Gano Benedict and published by . This book was released on 1938 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Charles P Lyman
Publisher : Elsevier
ISBN 13 : 0323138241
Total Pages : 332 pages
Book Rating : 4.3/5 (231 download)
Download or read book Hibernation and Torpor in Mammals and Birds written by Charles P Lyman and published by Elsevier. This book was released on 2013-07-10 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Charles Kayser
Publisher : Pergamon
ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.:/5 (43 download)
Download or read book The Physiology of Natural Hibernation written by Charles Kayser and published by Pergamon. This book was released on 1961 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kenneth B. Armitage
Publisher : Cambridge University Press
ISBN 13 : 1107053943
Total Pages : 421 pages
Book Rating : 4.1/5 (7 download)
Download or read book Marmot Biology written by Kenneth B. Armitage and published by Cambridge University Press. This book was released on 2014-07-24 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Marmot Biology Sociality, Individual Fitness and Population Dynamics"--
Author : Trixie Nicole Lee
Publisher :
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.:/5 (124 download)
Download or read book Expression and Mechanisms of Hibernation in the Artic written by Trixie Nicole Lee and published by . This book was released on 2012 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Artic is home to animals that have taken adaptations to overwintering to extremes. In this dissertation, I have investigated one of these adaptations, hibernation, in two species from the Artic, the Alaska marmot (Marmota broweri) and the artic ground squirrel (Urocitellus parryii). The expression of hibernation under natural conditions in these species was compared by collecting body temperature records of free-living individuals. The Alaska marmot, a highly social species, demonstrated extreme synchrony in body temperature patterns among a family group, indicating a strong reliance on social thermoregulation. In contrast, the artic ground squirrel was confirmed to be a solitary hibernator that reduces body temperature below freezing during torpor. Both species must produce heat when soil temperatures are significantly below freezing for most of the winter. At these subfreezing ambient temperatures, the artic ground squirrel has shown an increasing reliance on nonlipid fuel during torpor, driving a loss of lean mass during hibernation of ~20%. I calibrated deuterium dilation to repeatedly estimate body composition in this species, which dramatically changes adiposity through its annual cycle, and used this technique to quantify lean mass loss throughout hibernation in a study of tissue metabolism. I also developed and applied the natural abundance of nitrogen and carbon stable isotopes as tools for monitoring differential tissue metabolism and differentiating mixed metabolic fuel use in the artic ground squirrel. These data clarified the mechanism of change in nitrogen stable isotopes and indicated that hibernating ground squirrels rebuild organ tissues while breaking down muscle tissue to meet energetic demands. Furthermore, I corroborated a shift in metabolic fuel use toward nonlipid sources during torpor at low ambient temperatures by using the carbon isotope ratio in exhaled breath in combination with respiratory quotient. This dissertation combines studies of hibernation patterns in free-living animals with experimental data on the tissues and fuels being catabolized at very low temperatures to broaden our understanding of how small mammals successfully hibernate in severe weather conditions. It also presents the development and use of stable isotope ratios as physiological tools in hibernating species.
Author : Gerhard Heldmaier
Publisher : Springer Science & Business Media
ISBN 13 : 3662041626
Total Pages : 534 pages
Book Rating : 4.6/5 (62 download)
Download or read book Life in the Cold written by Gerhard Heldmaier and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the proceedings of the 11 'h international symposium dedicated to the understanding of animal "Life in the Cold", held at Jungholz (Austria), August 13-18, 2000. In 55 chapters contributed by researchers from 16 countries the current state of knowledge is reviewed, and the most recent developments and discussions in this field are highlighted. The first symposium on hibernation and life in the cold was held in 1959, and from then on they continued to occur every 3-5 years. The regular occurrence of these meetings became almost a tradition. A tradition which is entirely based on the enthusiasm of participants, and was nourished by scientific progress in this area during the past decades. The first symposium in 1959 was organised by Charles P. Lyman and Albert R. Dawe and was almost entirely dedicated to hibernation and torpor. This has been a backbone topic of the following symposia, although other aspects of animal energetics, thermal physiology and biochemistry were included in later meetings.
Author : Trixie Nicole Lee
Publisher :
ISBN 13 :
Total Pages : 240 pages
Book Rating : 4.:/5 (798 download)
Download or read book Expression and Mechanisms of Hibernation in the Arctic written by Trixie Nicole Lee and published by . This book was released on 2012 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Arctic is home to animals that have taken adaptations to overwintering to extremes. In this dissertation, I have investigated one of these adaptations, hibernation, in two species from the Arctic, the Alaska marmot (Marmota broweri) and the arctic ground squirrel (Urocitellus parryii). The expression of hibernation under natural conditions in these species was compared by collecting body temperature records of free-living individuals. The Alaska marmot, a highly social species, demonstrated extreme synchrony in body temperature patterns among a family group, indicating a strong reliance on social thermoregulation. In contrast, the arctic ground squirrel was confirmed to be a solitary hibernator that reduces body temperature below freezing during torpor. Both species must produce heat when soil temperatures are significantly below freezing for most of the winter. At these subfreezing ambient temperatures, the arctic ground squirrel has shown an increasing reliance on nonlipid fuel during torpor, driving a loss of lean mass during hibernation of ~20%. I calibrated deuterium dilution to repeatedly estimate body composition in this species, which dramatically changes adiposity through its annual cycle, and used this technique to quantify lean mass loss throughout hibernation in a study of tissue metabolism. I also developed and applied the natural abundance of nitrogen and carbon stable isotopes as tools for monitoring differential tissue metabolism and differentiating mixed metabolic fuel use in the arctic ground squirrel. These data clarified the mechanism of change in nitrogen stable isotopes andd, indicated that hibernating ground squirrels rebuild organ tissues while breaking down muscle tissue to meet energetic demands. Furthermore, I corroborated a shift in metabolic fuel use toward nonlipid sources during torpor at low ambient temperatures by using the carbon isotope ratio in exhaled breath in combination with respiratory quotient. This dissertation combines studies of hibernation patterns in free-living animals with experimental data on the tissues and fuels being catabolized at very low temperatures to broaden our understanding of how small mammals successfully hibernate in severe winter conditions. It also presents the development and use of stable isotope ratios as physiological tools in hibernating species.
Author : William V. Mayer
Publisher :
ISBN 13 :
Total Pages : 306 pages
Book Rating : 4.:/5 (319 download)
Download or read book Natural Mammalian Hibernation written by William V. Mayer and published by . This book was released on 1964 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: The bibliography consists of over 2,100 references directly impinging upon natural mammalian hibernation, including a few references to birds and potential hibernators. A cross-referenced subject matter index makes it possible to locate with relative ease articles dealing with specific features of hibernation. The material was assembled over a number of years by detailed examination of library holdings, review literature, abstracting journals, The Zoological Record, B.A.S.I.C., and individual journals, and with the cooperation of fellow researchers in the field of natural mammalian hibernation. The assembled references were checked for their applicability for inclusion in this bibliography, alphabetized by author, and numbered for cross reference indexing. The parameters of the initial charge for making this bibliography have eliminated references to poikilothermous animals and most references to hypothermia, and have been the guidelines used to reduce some 7,000 references to the approximately one-third which finally comprise this bibliography.
Author : Paul Raths
Publisher :
ISBN 13 :
Total Pages : 104 pages
Book Rating : 4.E/5 ( download)
Download or read book Physiology of Hibernation and Related Lethargic States in Mammals and Birds written by Paul Raths and published by . This book was released on 1976 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Barbara Ruth Landau
Publisher :
ISBN 13 :
Total Pages : 362 pages
Book Rating : 4.:/5 (89 download)
Download or read book Physiology of Mammalian Hibernation written by Barbara Ruth Landau and published by . This book was released on 1956 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Edward D. Bailey
Publisher :
ISBN 13 :
Total Pages : 176 pages
Book Rating : 4.:/5 (299 download)
Download or read book Behavior and Physiology Involved in Woodchuck Hibernation written by Edward D. Bailey and published by . This book was released on 1963 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sarah Falconer
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (13 download)
Download or read book A Retrospective Analysis of the Vancouver Island Marmot (Marmota Vancouverensis) Conservation Breeding and Release Program written by Sarah Falconer and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Vancouver Island marmot (Marmota vancouverensis) is an endangered mammal whose population is being recovered with a conservation breeding and release program. This involves management both in and ex situ, so it is vital to understand how the different environments are affecting the populations to maximize program outcomes. The purpose of this thesis was to retrospectively analyze data collected from this program to address questions relevant to population recovery. The first chapter compared the physiology of the managed populations using the neutrophil: lymphocyte ratio and found significant differences in this metric among targeted comparisons. The second chapter assessed factors that may be contributing to hibernation-related mortality of marmots during their first winter post-release. I found a combination of environmental and intrinsic factors influencing this mortality. Overall, this thesis contributes to a growing body of literature surrounding the efficacy of conservation breeding and release programs to recover critically endangered species.
Author : Víctor Sánchez-Cordero
Publisher : UNAM
ISBN 13 : 9789703226030
Total Pages : 712 pages
Book Rating : 4.2/5 (26 download)
Download or read book Contribuciones mastozoológicas en homenaje a Bernardo Villa written by Víctor Sánchez-Cordero and published by UNAM. This book was released on 2005 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sylvain Giroud
Publisher : Frontiers Media SA
ISBN 13 : 2832550622
Total Pages : 138 pages
Book Rating : 4.8/5 (325 download)
Download or read book Torpor and Hibernation: Metabolic and Physiological Paradigms written by Sylvain Giroud and published by Frontiers Media SA. This book was released on 2024-06-21 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: Torpor or heterothermy corresponds to a state of depressed metabolism and is associated with specific metabolic, cellular and molecular adaptations that often occur on a seasonal basis. Yet the exact mechanisms and functioning of these changes are poorly understood. Interestingly, the potential of such extraordinary animal adaptation for human and animal health as well as other biomedical considerations has raised particular attention especially in the last decade. The strong metabolic and physiological adaptations of heterotherms can be of particular inspiration for current biomedical and pathological situations (e.g., obesity and related diseases, cardiovascular and metabolic dysfunctions, ischemia-reperfusion injuries, immune depression) and for the health and longevity of animal species, including humans.
Author : Gregory Lester Florant
Publisher :
ISBN 13 :
Total Pages : 188 pages
Book Rating : 4.F/5 ( download)
Download or read book Temperature Regulation in Euthermic and Hibernating Marmots written by Gregory Lester Florant and published by . This book was released on 1978 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
