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Author: Sarah L. Fowler
Publisher: IUCN
ISBN: 9782831706504
Category : Chondrichthyes
Languages : en
Pages : 282
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Book Description
The Darwin Elasmobranch Biodiversity Conservation and Management project in Sabah held a three-day international seminar that included a one-day workshop in order to highlight freshwater and coastal elasmobranch conservation issues in the region and worldwide, to disseminate the result of the project to other Malaysian states and countries, and to raise awareness of the importance of considering aspects of elasmobranch biodiversity in the context of nature conservation, commercial fisheries management, and for subsistence fishing communities. These proceedings contain numerous peer-reviewed papers originally presented at the seminar, which cover a wide range of topics, with particular reference to species from freshwater and estuarine habitats. The workshop served to develop recommendations concerning the future prospects of elasmobranch fisheries, biodiversity, conservation and management. This paper records those conclusions, which highlight the importance of elasmobranchs as top marine predators and keystone species, noting that permanent damage to shark and ray populations are likely to have serious and unexpected negative consequences for commercial and subsistence yields of other important fish stocks.
Author: Sarah L. Fowler
Publisher: IUCN
ISBN: 9782831706504
Category : Chondrichthyes
Languages : en
Pages : 282
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Book Description
The Darwin Elasmobranch Biodiversity Conservation and Management project in Sabah held a three-day international seminar that included a one-day workshop in order to highlight freshwater and coastal elasmobranch conservation issues in the region and worldwide, to disseminate the result of the project to other Malaysian states and countries, and to raise awareness of the importance of considering aspects of elasmobranch biodiversity in the context of nature conservation, commercial fisheries management, and for subsistence fishing communities. These proceedings contain numerous peer-reviewed papers originally presented at the seminar, which cover a wide range of topics, with particular reference to species from freshwater and estuarine habitats. The workshop served to develop recommendations concerning the future prospects of elasmobranch fisheries, biodiversity, conservation and management. This paper records those conclusions, which highlight the importance of elasmobranchs as top marine predators and keystone species, noting that permanent damage to shark and ray populations are likely to have serious and unexpected negative consequences for commercial and subsistence yields of other important fish stocks.
Author: Jeffrey C. Carrier
Publisher: CRC Press
ISBN: 9781420080483
Category : Science
Languages : en
Pages : 746
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Book Description
Since the award-winning first volume, The Biology of Sharks and Their Relatives, published in 2004, the field has witnessed tremendous developments in research, rapid advances in technology, and the emergence of new investigators beginning to explore issues of biodiversity, distribution, physiology, and ecology in ways that eluded more traditional studies. As an entirely new companion volume, Sharks and Their Relatives II: Biodiversity, Adaptive Physiology, and Conservation brings you up to speed on these significant changes, specifically examining how elasmobranch fishes – the sharks, skates, rays, and chimaeras – successfully survive in a wide range of habitats. Emphasizes Conservation of Threatened Species This multidisciplinary volume begins by examining elasmobranch biodiversity patterns and their integrated sensory systems. It then explores the physiological adaptations – from unique sensory modalities to compensatory mechanisms for physiological and environmental stress – that make these animals particularly well-suited for the range of habitats where they are found, in both oceanic and freshwater realms. Features Established Researchers and Introduces New Pioneers in the Field The book then considers the human interactions and anthropogenic effects on worldwide elasmobranch populations and the potential extinction risks posed by increasing threats from changes in habitat, changes in water chemistry, and growing commercial exploitation. This text truly is unrivaled in terms of coverage and readability, and it is a must-have reference for marine biologists, fishery scientists, oceanographers, and also marine, zoo, and aquarium veterinarians. To address subject areas and subdisciplines where coverage was absent or superficial in volume one, Jeffrey Carrier and associates have assembled in the current volume a collection of works that reveal patterns of biodiversity, the physiological attributes that contribute to elasmobranchs’ successful exploitation of oceanic and freshwater realms, and the unique issues associated with the interaction between elasmobranchs and humans, all of this with overarching attention to issues of conservation. "We begin with chapters examining biodiversity. We have chosen to approach this discussion by presenting elasmobranchs as inhabitants of the range of zoogeographic provinces, realizing that significant overlap may occur for more pelagic species. This realization was reflected in the dialogue that occurred during preparation of the book between our chapter authors, and the recognition that many species simply cannot be confined to a specific habitat or range of habitats. We then continue by examining some of the unique physiological adaptations that allow these animals to exploit the range of habitats where they are found, from unique sensory modalities to compensatory mechanisms for physiological and environmental stress. "Our concluding section presents some of the challenges faced by members of these groups. We have asked our authors to consider human interactions and anthropogenic effects on worldwide populations and the potential extinction risks posed from survival under increasing threats from changes in habitat, changes in water chemistry, and increasing commercial exploitation. Conservation of species under threat remains a theme throughout the book. "Our authors represent an international group of investigators including established scientists whose work has been widely published and respected, and emerging younger scientists who have exploited recent advances in technology to ask and answer new questions as well as offering new insights and interpretations to enduring problems in the fields of ecology and physiology. We have asked them to be speculative and challenging, and we have asked them to predict future areas for investigation in hopes that their work will both inspire and provoke additional studies of these fascinating animals." - from the Preface
Author: Erika J. Techera
Publisher: Routledge
ISBN: 1135012601
Category : Law
Languages : en
Pages : 333
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Book Description
The key aim of this book is to explore the global conservation and management of sharks. There has been a rapid decline in populations of many shark species, while new science has emerged of the critical role they play in marine ecosystems. However, the authors show that conservation law and policy have been slow to develop, with only a small number of iconic species being protected worldwide. The increase in fishing impact – primarily through shark finning and by-catch - has led to shark conservation receiving greater international attention in recent years. The book explores our current knowledge and status of the law and science in relation to sharks with a particular focus on improving frameworks for their conservation and management. Recent trends are analysed, including shark finning bans that have been put in place in several countries, the widening number of nations establishing shark sanctuaries and the growth of shark-based tourism. The efficacy of current listing processes for endangered species and fisheries regulations is also examined. Tourism is explored as an alternative to fishing and the risks and impacts associated with this industry are analysed. Contributors include leading authorities from universities and conservation organizations in North America, Europe and Australia. A common theme is to emphasise the importance of collaborative governance between various interest groups and the need for inter-disciplinary research and management approaches that are necessary to address the decline in sharks.
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9789251054031
Category : Business & Economics
Languages : en
Pages : 264
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Book Description
Elasmobranch - describes a group of fish without a hard bony skeleton, including sharks, skates, and rays.
Author:
Publisher: Academic Press
ISBN: 0081029179
Category : Technology & Engineering
Languages : en
Pages : 184
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Book Description
Sharks in Mexico: Research and Conservation, Volume 83 in the Advances in Marine Biology series, provides in-depth and up-to-date reviews on all aspects of marine biology that will appeal to postgraduates and researchers in marine biology, fisheries science, ecology, zoology and biological oceanography. New chapters cover The Sharks of Pacific Mexico and their Conservation - Why Should we Care?, Biodiversity and Conservation of Sharks in Pacific Mexico, Shark Ecology, The Role of the Apex Predator and Current Conservation Status, Review of Current Genetic Analyses for Sharks of Pacific Mexico and Conservation Implications, and much more. Reviews articles on the latest advances in marine biology Authored by leading figures in their respective fields of study Presents material that is widely used by managers, students and academic professionals in the marine sciences
Author:
Publisher: Academic Press
ISBN: 0128118326
Category : Science
Languages : en
Pages : 256
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Book Description
Northeast Pacific Shark Biology, Research and Conservation, Part A, Volume 77 highlights the biological attributes of, and the conservation efforts targeted at, populations of vulnerable sharks in the Northeastern Pacific Ocean bordering the west coast of the United States, one of the most economically and ecologically important oceanic regions in the world. Updates in this new volume include chapters on Biodiversity, Conservation and Life History of Northeastern Pacific Chondrichthyans, a Review of current genetic analyses of Northeast Pacific sharks and conservation implications, and a section on the Trophodynamics and ecological impacts of eastern North Pacific sharks. Brings together subject experts on all aspects of shark biology, ecology, fishery management and conservation Summarizes current knowledge Focuses scientific attention on key issues embedded in the concept of shark conservation, both from a species and an ecosystem perspective
Author:
Publisher: Yayasan Obor Indonesia
ISBN:
Category :
Languages : en
Pages : 174
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Book Description
Author: Merry D. Camhi
Publisher: John Wiley & Sons
ISBN: 1444302523
Category : Technology & Engineering
Languages : en
Pages : 536
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Book Description
This important and exciting title represents the first authoritative volume focussed on pelagic (open ocean) sharks as a group. Virtually every pelagic shark expert in the world has contributed to this landmark publication which includes the latest data and knowledge on pelagic shark biology, fisheries, management, and conservation. Pelagic sharks face unprecedented levels of exploitation in all the world's oceans through both direct fisheries and by-catch, and effective management for these species is contingent upon solid science and data, which this book brings together for the first time. All those involved in shark biology will need to have a copy of this book.
Author: Merry Camhi
Publisher: IUCN
ISBN: 9782831704609
Category : Nature
Languages : en
Pages : 50
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Book Description
Sharks and their relatives, the rays and chimaeras, are the diverse group of cartilaginous fishes that have evolved over 400 million years. Historically considered of low economic value to large-scale fisheries, today many of these fishes have become the target of directed commercial and recreational fisheries around the world, and they are increasingly taken in the by-catch of fisheries targeting other species. This report emphasizes the widely-acknowledged need to improve shark fishery monitoring, expand biological research and take management action. It serves as an introduction to the ecology, status and conservation of the sharks and their relatives for a general audience. Shark fisheries can only be managed sustainably, and shark populations remain viable, with the introduction of new conservation and management initiatives.
Author:
Publisher: Academic Press
ISBN: 0128123958
Category : Science
Languages : en
Pages : 196
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Book Description
Northeast Pacific Shark Biology, Research and Conservation, Part B, Volume 78, the latest release in the Advances in Marine Biology series contains updated chapters that focus on a variety of topics, including, but not limited to, an Introduction to Northeast Pacific shark biology, ecology, and conservation, Shark Interactions with Directed and Incidental Fisheries in the Northeast Pacific Ocean: historic and current encounters and challenges for shark conservation, An Introduction to modeling abundance and demographic parameters in shark populations, and Sharks in Captivity: The Role of Husbandry, Breeding, Education and Citizen Science in Shark Conservation. Specialty areas in this longstanding series include marine science, both applied and basic, a wide range of topical areas from all areas of marine ecology, oceanography, fisheries management and molecular biology, and the full range of geographic areas from polar seas, to tropical coral reefs are included making this an ideal reference and resource for postgraduates and researchers in a variety of fields. Reviews articles on the latest advances in marine biology Authored by leading figures in their respective fields of study Presents materials that are widely used by managers, students, and academic professionals in the marine sciences Provides value to anyone studying bottlenose dolphins, deep-sea macrofauna, marine invertebrates, pinna nobilis and ecology, amongst other study areas
