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Could Beaked Whales Get The Bends Effect Of Diving Behaviour And Physiology On Modelled Gas Exchange For Three Species Ziphius Cavirostris Mesoplodon Densirostris And Hyperoodon Ampullatus
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Book Synopsis Could Beaked Whales Get the Bends? Effect of Diving Behaviour and Physiology on Modelled Gas Exchange for Three Species: Ziphius Cavirostris, Mesoplodon Densirostris and Hyperoodon Ampullatus by :
Download or read book Could Beaked Whales Get the Bends? Effect of Diving Behaviour and Physiology on Modelled Gas Exchange for Three Species: Ziphius Cavirostris, Mesoplodon Densirostris and Hyperoodon Ampullatus written by and published by . This book was released on 2009 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: A mathematical model, based on current knowledge of gas exchange and physiology of marine mammals, was used to predict blood and tissue tension N2 (PN2) using field data from three beaked whale species: northern bottlenose whales, Cuvier's beaked whales, and Blainville's beaked whales. The objective was to determine if physiology (body mass, diving lung volume, dive response) or dive behaviour (dive depth and duration, changes in ascent rate, diel behaviour) would lead to differences in PN2 levels and thereby decompression sickness (DCS) risk between species. Diving lung volume and extent of the dive response had a large effect on end-dive PN2 . The dive profile had a larger influence on end-dive PN2 than body mass differences between species. Despite diel changes in dive behaviour, PN2 levels showed no consistent trend. Model output suggested that all three species live with tissue PN2 levels that would cause a significant proportion of DCS cases in terrestrial mammals. Cuvier's beaked whale diving behaviour appears to put them at higher risk than the other species, which may explain their prevalence in strandings after the use of mid-frequency sonar.
Download or read book Beaked Whales written by Richard Ellis and published by JHU Press. This book was released on 2017-05-08 with total page 207 pages. Available in PDF, EPUB and Kindle. Book excerpt: The only book dedicated to the mysterious beaked whale, this beautiful volume combines full-color illustrations with fascinating facts. Beaked whales have been shrouded in mystery for most of the twentieth century. Denizens of deep, remote ocean waters and highly resistant to life in captivity, they have proven notoriously difficult for humans to observe. Over the past few decades, however, scientists have gained a better understanding of this distinct group of cetaceans, deciphering the natural history of the twenty-two beaked whale species. Here, famed artist and naturalist Richard Ellis and leading beaked whale researcher James G. Mead bring these elusive marine mammals into the limelight. Beaked whales’ generous life spans can extend well past 70 years. They spend their decades diving to extreme depths in search of prey, which they capture by expanding their oral cavity suddenly to suck in the squid or fish they are hunting. It appears that these sleek predators may engage in fierce, clandestine aquatic battles, as the bodies of many males are covered in scars. Because many species are only somewhat larger than dolphins, they are often confused with porpoises; however, some larger beaked whale species may grow to 40 feet. These enigmatic and compelling creatures need our help; their numbers are declining, perhaps due to the damaging effects of naval sonar on their sophisticated auditory systems. In Ellis and Mead’s book, the beaked whales finally get their due. The duo provides a combination of captivating stories about the species, original Richard Ellis art, and photos from leading natural history photographers. The result is an accessible, beautiful book—the first of its kind on this unusual group of cetaceans. Meet the beaked whales, and enjoy the fascinating and mysterious world in which they live.
Book Synopsis Ethology and Behavioral Ecology of Odontocetes by : Bernd Würsig
Download or read book Ethology and Behavioral Ecology of Odontocetes written by Bernd Würsig and published by Springer. This book was released on 2019-08-02 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book concentrates on the marine mammalian group of Odontocetes, the toothed whales, dolphins, and porpoises. In 23 chapters, a total of 40 authors describe general patterns of ethological concepts of odontocetes in their natural environments, with a strong bent towards behavioral ecology. Examples are given of particularly well-studied species and species groups for which enough data exist, especially from the past 15 years. The aim is to give a modern flavor of present knowledge of ethology and behavior of generally large-brained behaviorally flexible mammals that have evolved quite separately from social mammals on land. As well, the plight of populations and species due to humans is described in multiple chapters, with the goal that an understanding of behavior can help to solve or alleviate at least some human-made problems.
Book Synopsis Ethology and Behavioral Ecology of Phocids by : Daniel P. Costa
Download or read book Ethology and Behavioral Ecology of Phocids written by Daniel P. Costa and published by Springer Nature. This book was released on 2022-03-17 with total page 651 pages. Available in PDF, EPUB and Kindle. Book excerpt: Phocid (or earless or true) seals are ecologically diverse, occupying habitats from the tropics to the poles in marine and freshwater and feeding on anything from tiny zooplankton to other marine mammals. There are 18 species of phocid seals, the smallest species (ringed seal) is more than 20 times smaller than the largest (southern elephant seal), with marked sexual dimorphism present in some species. This book examines the behavior, ecology, and physiology that allow phocid seals to inhabit such a wide range of habitats. The book is composed of 16 chapters written by 37 authors from 8 countries. The book first describes the general patterns of phocid behavior, followed by descriptions of what is known about well-studied species. We have taken a holistic approach, focusing not only on the behaviors themselves but also on the factors that constrain the expression of behavior and the proximate mechanisms driving behavior. In many cases, the chapters represent collaborations between well-established researchers and early-mid career individuals who bring new perspectives to help carry the field of phocid behavioral ecology well into the future.
Book Synopsis An Introduction to Marine Mammal Biology and Conswervation by : Simmonds, M.P
Download or read book An Introduction to Marine Mammal Biology and Conswervation written by Simmonds, M.P and published by Jones & Bartlett Publishers. This book was released on 2013 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: The charismatic mammals that live in the ocean are a constant source of interest, both for scientists and our society at large. Their biology, behavior, and conservation are of utmost importance, as a vast number of species are currently threatened. Intended for the upper-level undergraduate or graduate student within biology, marine biology, or conservation/environmental science, An Introduction to Marine Mammal Biology and Conservation provides a broad introduction to marine mammal biology using cutting edge information and student-friendly learning tools. The text begins with chapters on the evolution and classification of marine mammals and their general biology. It moves on to discuss the behavior and ecology of different groups of marine mammals, such as polar bears, otters, and cetaceans. Part 3 dives into many different conservation issues facing marine mammals, as well as discussions on how they can be addressed. Closing chapters provide information on how scientists study marine mammals, how society can enjoy observing the animals while making sure they are preserved, and a word to students looking to pursue a career with marine mammals.
Book Synopsis Marine Mammals by : Randall W. Davis
Download or read book Marine Mammals written by Randall W. Davis and published by Springer Nature. This book was released on 2019-11-14 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive book provides new insights into the morphological, metabolic, thermoregulatory, locomotory, diving, sensory, feeding, and sleep adaptations of Cetacea (whales and dolphins), Pinnipedia (seals, sea lions and walrus), Sirenia (manatees and dugongs) and sea otters for an aquatic life. Each chapter reviews the discoveries from previous studies and integrates recent research using new techniques and technology. Readers will gain an understanding of the remarkable adaptations that enable marine mammals to spend all or most of their lives at sea, often while hunting prey at depth.
Book Synopsis Ecology and Behaviour of Free-Ranging Animals Studied by Advanced Data-Logging and Tracking Techniques by : Thomas Wassmer
Download or read book Ecology and Behaviour of Free-Ranging Animals Studied by Advanced Data-Logging and Tracking Techniques written by Thomas Wassmer and published by Frontiers Media SA. This book was released on 2020-06-15 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Future of Diving by : Michael A. Lang
Download or read book The Future of Diving written by Michael A. Lang and published by . This book was released on 2009 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The symposium was convened by the Baromedical and Environmental Physiology Group of Norwegian University of Science and Technology in Trondheim, Norway, on 18-19 December 2008."-- Verso t.p.
Book Synopsis Physiology and Physiopathology of Breath-Holding Activity by : Frederic Lemaitre
Download or read book Physiology and Physiopathology of Breath-Holding Activity written by Frederic Lemaitre and published by Frontiers Media SA. This book was released on 2022-03-14 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Whalewatcher written by and published by . This book was released on 2009 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Marine Mammal Welfare by : Andy Butterworth
Download or read book Marine Mammal Welfare written by Andy Butterworth and published by Springer. This book was released on 2017-06-19 with total page 625 pages. Available in PDF, EPUB and Kindle. Book excerpt: Marine mammals attract human interest – sometimes this interest is benign or positive – whale watching, conservation programmes for whales, seals, otters, and efforts to clear beaches of marine debris are seen as proactive steps to support these animals. However, there are many forces operating to affect adversely the lives of whales, seals, manatees, otters and polar bears – and this book explores how the welfare of marine mammals has been affected and how they have adapted, moved, responded and sometimes suffered as a result of the changing marine and human world around them. Marine mammal welfare addresses the welfare effects of marine debris, of human traffic in the oceans, of noise, of hunting, of whale watching and tourism, and of some of the less obvious impacts on marine mammals – on their social structures, on their behaviours and migration, and also of the effects on captivity for animals kept in zoos and aquaria. There is much to think and talk about – how marine mammals respond in a world dramatically influenced by man, how are their social structures affected and how is their welfare impacted?
Book Synopsis Diel Variation in Beaked Whale Diving Behavior by :
Download or read book Diel Variation in Beaked Whale Diving Behavior written by and published by . This book was released on 2008 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diel variation in beaked whale diving behavior is investigated using data from time-depth recorders deployed on six Blainville's (Mesoplodon densirostris) and two Cuvier's (Ziphius cavirostris) beaked whales. Deep foraging dives (>800 m) occurred at similar rates during the day and night for Blainville's beaked whales (daymean=0.38 h-1; nightmean=0.46 h-1), and there were no significant diel differences in depths, durations, ascent or descent rates for deep dives. Dives to mid-water depths (100-600 m) occurred significantly more often during the day (mean=1.59 h-1) than at night (mean=0.26 h-1). Series of progressively shallower bounce dives were only documented following deep, long dives made during the day, while at night whales spent more time in shallow (
Book Synopsis Dolphins, Whales, and Porpoises by : Randall R. Reeves
Download or read book Dolphins, Whales, and Porpoises written by Randall R. Reeves and published by IUCN. This book was released on 2003 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Marine Mammals and Noise by : W. John Richardson
Download or read book Marine Mammals and Noise written by W. John Richardson and published by Academic Press. This book was released on 2013-10-22 with total page 593 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many marine mammals communicate by emitting sounds that pass through water. Such sounds can be received across great distances and can influence the behavior of these undersea creatures. In the past few decades, the oceans have become increasingly noisy, as underwater sounds from propellers, sonars, and other human activities make it difficult for marine mammals to communicate. This book discusses, among many other topics, just how well marine mammals hear, how noisy the oceans have become, and what effects these new sounds have on marine mammals. The baseline of ambient noise, the sounds produced by machines and mammals, the sensitivity of marine mammal hearing, and the reactions of marine mammals are also examined. An essential addition to any marine biologist's library, Marine Mammals and Noise will be especially appealing to marine mammalogists, researchers, policy makers and regulators, and marine biologists and oceanographers using sound in their research.
Book Synopsis Marine Mammal Populations and Ocean Noise by : National Research Council
Download or read book Marine Mammal Populations and Ocean Noise written by National Research Council and published by National Academies Press. This book was released on 2005-01-24 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: Attention has been drawn to the subject of how ocean noise affects marine mammals by a series of marine mammal strandings, lawsuits, and legislative hearings, and most recently, the report from the U.S. Commission on Ocean Policy. One way to assess the impact of ocean noise is to consider whether it causes changes in animal behavior that are "biologically significant," that is, those that affect an animal's ability to grow, survive, and reproduce. This report offers a conceptual model designed to clarify which marine mammal behaviors are biologically significant for conservation purposes. The report is intended to help scientists and policymakers interpret provisions of the federal Marine Mammal Protection Act.
Book Synopsis Diving Physiology of Marine Mammals and Seabirds by : Paul J. Ponganis
Download or read book Diving Physiology of Marine Mammals and Seabirds written by Paul J. Ponganis and published by Cambridge University Press. This book was released on 2015-11-26 with total page 351 pages. Available in PDF, EPUB and Kindle. Book excerpt: An up-to-date synthesis of comparative diving physiology research, illustrating the features of dive performance and its biomedical and ecological relevance.
Download or read book Biosonar written by Annemarie Surlykke and published by Springer. This book was released on 2014-07-19 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two groups of animals, bats and odontocetes (toothed whales), have independently developed the ability to orient and detect prey by biosonar (echolocation). This active mechanism of orientation allows these animals to operate under low light conditions. Biosonar is a conceptual overview of what is known about biosonar in bats and odontocetes. Chapters are written by bat and odontocetes experts, resulting in collaborations that not only examine data on both animals, but also compare and contrast mechanisms. This book provides a unique insight that will help improve our understanding of biosonar in both animal groups.
