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The extraordinary ability of dolphins to echolocate has fascinated scientists and the public since its discovery in the late 1950's. This is the first book to summarize modern research in this area, and presents a broad synthesis of this very interdisciplinary subject. The author is an internationally-recognized expert on dolphin sonar and is thus in a unique position to bring together research on the physiological, mathematical and engineering aspects of the subject. Of interest to auditory researchers, electrical engineers, acoustical physicists, and mammalian physiologists.
Author : Jeanette A. Thomas,Cynthia F. Moss,Marianne Vater Publisher : University of Chicago Press Page : 636 pages File Size : 52,7 Mb Release : 2004 Category : Nature ISBN : 0226795993
Echolocation in Bats and Dolphins by Jeanette A. Thomas,Cynthia F. Moss,Marianne Vater Pdf
Although bats and dolphins live in very different environments, are vastly different in size, and hunt different kinds of prey, both groups have evolved similar sonar systems, known as echolocation, to locate food and navigate the skies and seas. While much research has been conducted over the past thirty years on echolocation in bats and dolphins, this volume is the first to compare what is known about echolocation in each group, to point out what information is missing, and to identify future areas of research. Echolocation in Bats and Dolphins consists of six sections: mechanisms of echolocation signal production; the anatomy and physiology of signal reception and interpretation; performance and cognition; ecological and evolutionary aspects of echolocation mammals; theoretical and methodological topics; and possible echolocation capabilities in other mammals, including shrews, seals, and baleen whales. Animal behaviorists, ecologists, physiologists, and both scientists and engineers who work in the field of bioacoustics will benefit from this book.
Hearing by Whales and Dolphins by Whitlow W.L. Au,Richard R. Fay Pdf
Here, experts in different areas of the field provide an overview of the bioacoustics of whales and dolphins as well as a thorough introduction to the subject for investigators of hearing in other animals. Topics covered include the structure and function of cetacean auditory systems, the unique sound production system of odontocetes, acoustic communication, psychoacoustics, echolocation and models of sound propagation.
Author : Jeanette A. Thomas,Cynthia F. Moss,Marianne Vater Publisher : University of Chicago Press Page : 640 pages File Size : 55,7 Mb Release : 2004 Category : Nature ISBN : 0226795985
Echolocation in Bats and Dolphins by Jeanette A. Thomas,Cynthia F. Moss,Marianne Vater Pdf
Although bats and dolphins live in very different environments, are vastly different in size, and hunt different kinds of prey, both groups have evolved similar sonar systems, known as echolocation, to locate food and navigate the skies and seas. While much research has been conducted over the past thirty years on echolocation in bats and dolphins, this volume is the first to compare what is known about echolocation in each group, to point out what information is missing, and to identify future areas of research. Echolocation in Bats and Dolphins consists of six sections: mechanisms of echolocation signal production; the anatomy and physiology of signal reception and interpretation; performance and cognition; ecological and evolutionary aspects of echolocation mammals; theoretical and methodological topics; and possible echolocation capabilities in other mammals, including shrews, seals, and baleen whales. Animal behaviorists, ecologists, physiologists, and both scientists and engineers who work in the field of bioacoustics will benefit from this book.
Animal Sonar by Paul E. Nachtigall,Patrick W.B. Moore Pdf
The first meeting on biosonar that I had the opportunity to attend was held in 1978 on the Island of Jersey in the English Channel. That meeting, organized by Professor R.G. Busne1 and Dr. Jim Fish, was my introduction to an exciting and varied group of hard-working and dedicated scientists studying animal echolocation. They are, by nature, a very diverse group. They tend to publish in different journals and rarely interact despite the fact that they all work on echolocation. When they do interact as a group, as they did in Frascati Italy in 1966, in Jersey i~ 1978, and during the meeting reported in this volume, the meetings are intense, interesting, and exciting. This volume is a composition of a series of contributed papers written to foster an interdisciplinary understanding of the echolocation systems of animals. The echolocation pulse production studies in bats and dolphins have recently been concentrated on the ontogeny of infant pulses, other studies, with three-dimensional computer graphics and x-ray computed tomography, have concentrated on finally resolving the old controversy concerning the site of dolphin echolocation click production. Much has been accomplished on the analysis of bat neural structure and function. The intense effort directed toward understanding the structure, connections, and functional properties of parallel auditory pathways and the parallel and hierarchical processing of information by the mustached bat, has lead to dramatic breakthroughs in understanding brain function.
Thirteen years have gone by since the first international meet ing on Animal Sonar Systems was held in Frascati, Italy, in 1966. Since that time, almost 900 papers have been published on its theme. The first symposium was vital as it was the starting point for new research lines whose goal was to design and develop technological systems with properties approaching optimal biological systems. There have been highly significant developments since then in all domains related to biological sonar systems and in their appli cations to the engineering field. The time had therefore come for a multidisciplinary integration of the information gathered, not only on the evolution of systems used in animal echolocation, but on systems theory, behavior and neurobiology, signal-to-noise ratio, masking, signal processing, and measures observed in certain species against animal sonar systems. Modern electronics technology and systems theory which have been developed only since 1974 now allow designing sophisticated sonar and radar systems applying principles derived from biological systems. At the time of the Frascati meeting, integrated circuits and technol ogies exploiting computer science were not well enough developed to yield advantages now possible through use of real-time analysis, leading to, among other things, a definition of target temporal char acteristics, as biological sonar systems are able to do. All of these new technical developments necessitate close co operation between engineers and biologists within the framework of new experiments which have been designed, particularly in the past five years.
How Dolphins and Other Animals Use Sonar by Therese Shea Pdf
Sonar isnt just used by submarinesmany animals use it, too! Biosonar is a kind of sonar produced and used by animals such as dolphins. Readers discover the biology behind biosonar and are introduced to other animals that also have this amazing adaptation, including bats and shrews. Bright photographs of these animals are presented alongside a variety of fun facts and a helpful graphic organizer. Informative, engaging text touches on essential science curriculum topics, such as animal adaptations, predator-prey relationships, and the science of sound.
Awesome Innovations Inspired by Dolphins by Jim Corrigan Pdf
Few species are as smart and playful as dolphins. These speedsters of the sea live in social groups. They have taught us many useful lessons about life in the ocean. With natural sonar, they can swim and hunt while blindfolded. Scientists study dolphins to learn more about intelligence in animals and in humans.
Biosonar by Annemarie Surlykke,Paul E. Nachtigall,Richard R. Fay,Arthur N. Popper Pdf
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.
From Susan Casey, the New York Times bestselling author of The Devil's Teeth and The Wave, a breathtaking look into the mysterious world of dolphins and their conflicted history with man. Since the dawn of recorded history, humans have felt a kinship with the sleek and beautiful dolphin, an animal whose playfulness, sociability and intelligence seems like an aquatic mirror of mankind. In recent decades, scientists have discovered dolphins recognize themselves in reflections, count, feel despondent, adorn themselves, rescue each other (and humans), deduce, infer, form cliques, throw tantrums, gossip and scheme. Several native peoples trace their lineage to dolphins. They are the stars of multi-million dollar aquatic theme parks, money which has fueled a sinister illicit trade as shown in the documentary Blackfish. The U.S. Navy has a secret program using dolphins as undersea soldiers. The theory that they are a superior, extraterrestial species is popular among the new age fringe. They are the victims of brutal slaughters as depicted in the documentary The Cove. To swim with a dolphin is a transporting experience, an encounter with a being seemingly so like us, yet so alien. No writer is better positioned to portray these magical creatures than Susan Casey, whose combination of personal reporting, intense scientific research, and evocative prose made The Wave and The Devil's Teeth contemporary classics of writing on the oceans. For two years Casey traveled the world, and has written a thrilling book about the other intelligent life on the planet.
To Free a Dolphin by Keith Coulbourn,Richard O'Barry Pdf
In this memorable first book, Behind the Dolphin Smile, Richard O'Barry told the inspiring story of his personal transformation from world-famous dolphin trainer (Flipper was his pupil) to dolphin liberator. Now, in To Free a Dolphin, he passionately recounts the dramatic story of his heart-breaking campaign to release captive dolphins back into the wild. With wit and insight he chronicles the extreme opposition he has faced from bureaucrats, major players in the captive-dolphin industry, rival wildlife groups, and well-meaning sentimentalists. He introduces readers to famous show animals he has helped, including Bogie and Bacall of Key Largo. And, most fascinating, he describes his struggles to deprogram and rehabilitate dolphins emotionally scarred from years of captivity--struggles that become battles for the animals' souls.
A beautiful scientist makes an incredible breakthrough in dolphin communication. The dolphins warn her of an environmental disaster of earth-shattering proportions, but will their desperate warning be heeded in time? From the author of Replay and Breakthrough.
A leading authority on dolphin intelligence shares scientific information about dolphin creativity, emotions, and communication abilities while advocating for stronger dolphin protection laws.
Biomimetic Microsensors Inspired by Marine Life by Ajay Giri Prakash Kottapalli,Mohsen Asadnia,Jianmin Miao,Michael S. Triantafyllou Pdf
This book narrates the development of various biomimetic microelectromechanical systems (MEMS) sensors, such as pressure, flow, acceleration, chemical, and tactile sensors, that are inspired by sensing phenomena that exist in marine life. The research described in this book is multi-faceted and combines the expertise and understanding from diverse fields, including biomimetics, microfabrication, sensor engineering, MEMS design, nanotechnology, and material science. A series of chapters examine the design and fabrication of MEMS sensors that function on piezoresistive, piezoelectric, strain gauge, and chemical sensing principles. By translating nature-based engineering solutions to artificial man-made technology, we can find innovative solutions to critical problems.
Dolphin culture evolved over millions of years so they could remain perfectly attuned with their world, the ocean. But the growing pressure of man's activities become intolerable and in frustration they seek an aggressive new path, making a shocking departure from the ancient philosophy that has guided them so well through the millennia.
