The Dynamics Of Tuna Movements

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The Dynamics of Tuna Movements

Author : John R. Hunter
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251024713
Total Pages : 88 pages
Book Rating : 4.0/5 (247 download)

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Book Synopsis The Dynamics of Tuna Movements by : John R. Hunter

Download or read book The Dynamics of Tuna Movements written by John R. Hunter and published by Food & Agriculture Org.. This book was released on 1986 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: Weaknesses in understanding of tuna distributions and movements have constrained the development of rational management policies. Uncertainties exist in: the selection of management plans and catch and effort data that are representative of a stock; quantification of exchange of adults among management jurisdictions and fishing gears; and identification of the relationships between the environment and tuna movements. This report summarizes a series of discussions between a panel and groups of experts on how to increase understanding of these and other tuna problems. We discuss the uncertainties in current management policy caused by lack of understanding of tuna movement dynamics. We describe and evaluate the research approaches presently used to describe the movements of tunas--mark and recapture and acoustic tracking-- and those which might be used or are just being applied, including new tagging systems, measurement of physiological state and microconstituents of mineralized tissue. Actions needed to improve the knowledge of tuna movements are: 1) establish international arrangements to share tuna movement data, to analyse movements on an oceanwide and worldwide basis and to link international oceanographic programs; 2) increase number and kinds of observations of movements of tuna in the vertical plane; 3) develop and use technology for tracing the actual paths followed by tunas over extended periods and for measuring movements independent of the fishery; and 4) conduct intensive studies on tuna movement dynamics which combine old with the new technologies discussed in the report.

Stable Isotope Ecology

Author : Brian Fry
Publisher : Springer Science & Business Media
ISBN 13 : 0387337458
Total Pages : 318 pages
Book Rating : 4.3/5 (873 download)

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Book Synopsis Stable Isotope Ecology by : Brian Fry

Download or read book Stable Isotope Ecology written by Brian Fry and published by Springer Science & Business Media. This book was released on 2007-01-15 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: A solid introduction to stable isotopes that can also be used as an instructive review for more experienced researchers and professionals. The book approaches the use of isotopes from the perspective of ecological and biological research, but its concepts can be applied within other disciplines. A novel, step-by-step spreadsheet modeling approach is also presented for circulating tracers in any ecological system, including any favorite system an ecologist might dream up while sitting at a computer. The author’s humorous and lighthearted style painlessly imparts the principles of isotope ecology. The online material contains color illustrations, spreadsheet models, technical appendices, and problems and answers.

An Assessment of Atlantic Bluefin Tuna

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309051819
Total Pages : 167 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis An Assessment of Atlantic Bluefin Tuna by : National Research Council

Download or read book An Assessment of Atlantic Bluefin Tuna written by National Research Council and published by National Academies Press. This book was released on 1994-02-01 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews and evaluates the scientific basis of U.S. management of fisheries for Atlantic bluefin tuna. In particular, it focuses on the issues of stock structure and stock assessments used by the National Oceanic and Atmospheric Administration's National Marine Fisheries Service for management under the International Convention for the conservation of Atlantic Tunas.

The Future of Bluefin Tunas

Author : Barbara A. Block
Publisher : JHU Press
ISBN 13 : 1421429640
Total Pages : 361 pages
Book Rating : 4.4/5 (214 download)

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Book Synopsis The Future of Bluefin Tunas by : Barbara A. Block

Download or read book The Future of Bluefin Tunas written by Barbara A. Block and published by JHU Press. This book was released on 2019-08-06 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt: The most thorough and current account of scientific research on bluefin tunas—the largest, most sought-after tunas in the world Bluefin tunas are dominant keystone predators known for their impressive size, strength, endurance, and speed. Electronic tags have revealed that they can dive to great depths (over 6000 feet) and migrate vast distances—from frigid subpolar seas to warm tropical waters—for spawning. Prized for their rich taste and unique texture, bluefin tunas are also a worldwide commodity of great value. However, over the past few decades, overfishing throughout their range has led to significant population reductions. In The Future of Bluefin Tunas, Barbara A. Block brings together renowned bluefin experts from 15 different countries to share the latest information on the science, fisheries policy, and management decisions related to each of the three species within the Thunnus group—Atlantic, Pacific, and Southern. Synthesizing basic and applied research, the book delves into every aspect of these majestic fish, from their life history and genetic makeup to their ecology and migrations. Ichthyologists and marine scientists dedicated to the study of these fishes report on the latest stock assessments, explore the results of advances such as biologging and DNA sampling, and assess the potential of bluefin tuna aquaculture. The Future of Bluefin Tunas provides critical research findings to inform decisions that will impact tunas and the ocean ecosystems they affect. Scientists, fisheries managers, policymakers, and marine conservationists will take away key data from this timely volume to help them ensure these remarkable fish continue in perpetuity.

The Bluefin Tuna Fishery in the Bay of Biscay

Author : José Luis Cort
Publisher : Springer
ISBN 13 : 3030115453
Total Pages : 130 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis The Bluefin Tuna Fishery in the Bay of Biscay by : José Luis Cort

Download or read book The Bluefin Tuna Fishery in the Bay of Biscay written by José Luis Cort and published by Springer. This book was released on 2019-02-07 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book is an original contribution to the knowledge on fishing and research associated with one of the most enigmatic fish of our seas: bluefin tuna, Thunnus thynnus (L.). Based on available evidence, it reconstructs the possible methods used to catch large spawners in the Strait of Gibraltar thousands of years ago and describes the much more recent overfishing that led to a great reduction in the catches of the trap fishery on the area and the disappearance of the northern European fisheries. It is the first book to relate the overfishing of juvenile fishes in certain areas to the decline of large spawners in other very distant areas, revealing one of the main underlying causes of this decline, which has remained a mystery to the fishing sector and scientists alike for over 50 years. This finding should serve to prevent similar cases from arising in the future.

Interactions of Pacific Tuna Fisheries

Author : Shomura, Richard S.
Publisher :
ISBN 13 : 9789251034545
Total Pages : 456 pages
Book Rating : 4.0/5 (345 download)

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Book Synopsis Interactions of Pacific Tuna Fisheries by : Shomura, Richard S.

Download or read book Interactions of Pacific Tuna Fisheries written by Shomura, Richard S. and published by . This book was released on 1994 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Tragedy of the Commodity

Author : Stefano B. Longo
Publisher : Rutgers University Press
ISBN 13 : 0813565790
Total Pages : 275 pages
Book Rating : 4.8/5 (135 download)

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Book Synopsis The Tragedy of the Commodity by : Stefano B. Longo

Download or read book The Tragedy of the Commodity written by Stefano B. Longo and published by Rutgers University Press. This book was released on 2015-06-25 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: Winner of the 2017 Paul Sweezy Marxist Sociology Book Award from the American Sociological Association Although humans have long depended on oceans and aquatic ecosystems for sustenance and trade, only recently has human influence on these resources dramatically increased, transforming and undermining oceanic environments throughout the world. Marine ecosystems are in a crisis that is global in scope, rapid in pace, and colossal in scale. In The Tragedy of the Commodity, sociologists Stefano B. Longo, Rebecca Clausen, and Brett Clark explore the role human influence plays in this crisis, highlighting the social and economic forces that are at the heart of this looming ecological problem. In a critique of the classic theory “the tragedy of the commons” by ecologist Garrett Hardin, the authors move beyond simplistic explanations—such as unrestrained self-interest or population growth—to argue that it is the commodification of aquatic resources that leads to the depletion of fisheries and the development of environmentally suspect means of aquaculture. To illustrate this argument, the book features two fascinating case studies—the thousand-year history of the bluefin tuna fishery in the Mediterranean and the massive Pacific salmon fishery. Longo, Clausen, and Clark describe how new fishing technologies, transformations in ships and storage capacities, and the expansion of seafood markets combined to alter radically and permanently these crucial ecosystems. In doing so, the authors underscore how the particular organization of social production contributes to ecological degradation and an increase in the pressures placed upon the ocean. The authors highlight the historical, political, economic, and cultural forces that shape how we interact with the larger biophysical world. A path-breaking analysis of overfishing, The Tragedy of the Commodity yields insight into issues such as deforestation, biodiversity loss, pollution, and climate change.

Fish Population Dynamics in Tropical Waters

Author : Daniel Pauly
Publisher : WorldFish
ISBN 13 : 9711022044
Total Pages : 289 pages
Book Rating : 4.7/5 (11 download)

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Book Synopsis Fish Population Dynamics in Tropical Waters by : Daniel Pauly

Download or read book Fish Population Dynamics in Tropical Waters written by Daniel Pauly and published by WorldFish. This book was released on 1984-01-01 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Tuna

Author : Barbara Ann Block
Publisher : Gulf Professional Publishing
ISBN 13 : 9780123504432
Total Pages : 490 pages
Book Rating : 4.5/5 (44 download)

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Book Synopsis Tuna by : Barbara Ann Block

Download or read book Tuna written by Barbara Ann Block and published by Gulf Professional Publishing. This book was released on 2001 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annotation Tuna are biologically fascinating, with many specializations such as endothermy (warm-bloodedness), aerobic capacity, and migratory abilities. The primary focus of this book is the physiology of tuna with respect to biomechanics, thermoregulation, and morphology. An evolutionary and phylogenetic backdrop illustrates the importance of comparative perspectives. Because of the economic importance of tuna, a secondary focus of the book is tuna aquaculture and conservation.

Tropical Tuna

Author : B. Stéquert
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251024904
Total Pages : 256 pages
Book Rating : 4.0/5 (249 download)

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Book Synopsis Tropical Tuna by : B. Stéquert

Download or read book Tropical Tuna written by B. Stéquert and published by Food & Agriculture Org.. This book was released on 1989 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Advances in Tuna Aquaculture

Author : Daniel Benetti
Publisher : Academic Press
ISBN 13 : 0124115063
Total Pages : 375 pages
Book Rating : 4.1/5 (241 download)

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Book Synopsis Advances in Tuna Aquaculture by : Daniel Benetti

Download or read book Advances in Tuna Aquaculture written by Daniel Benetti and published by Academic Press. This book was released on 2015-11-21 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Tuna Aquaculture: From Hatchery to Market provides detailed overviews on the current status of tuna fisheries, fattening, and farming practices, as well as advances in closed-cycle tuna aquaculture. Contributors are renowned scientists, internationally recognized as authorities in their fields. This book addresses all basic and applied aspects of tuna aquaculture, presenting and discussing the global status of tuna fisheries, reproduction, broodstock management, spawning, larval rearing and early developmental stages including nursery and grow out methods. It presents incorporates the most comprehensive and updated data, statistics, and trends in tuna fisheries and aquaculture, covering and addresses a variety of topics ranging fromfrom endocrinology, nutrition, diseases, and genetics to economics and markets. It covers describes recent up-to-date progress on tuna aquaculture and hatchery development. It also provides a synopsisn overview of the challenges presently confronted by tuna aquaculturists,facing tuna aquaculture and and offers innovative views on the challengesbottle-neck issues faced by the industry with the current shift from fisheries to fattening to closed-cycle aquaculture. This is the first book to encompass all aspects related to the tuna aquaculture industry, and merges them into a state-of-the-art compendium that will serve as seminal reference for students, researchers, and professionals working with tuna biology, fisheries, and aquaculture worldwide. - Incorporates and reviews the most recent information on tuna fisheries and aquaculture - Presents the most innovative production technologies in tuna aquaculture, from hatchery to market - Includes important information on tuna, derived from industry experience and academic research on larval rearing technology and grow out operations - Encompasses and discusses key topics such as genetics, diseases, nutrition, endocrinology, and reproduction, as well as developments, challenges, and future opportunities in tuna aquaculture - Provides the latest scientific methods and technologies to maximize efficiencies and production - Presents the independent and collective assessments, viewpoints, and visions of various scientists, all internationally recognized as authorities in the field

Electronic Tagging and Tracking in Marine Fisheries

Author : John R. Sibert
Publisher : Springer Science & Business Media
ISBN 13 : 9781402001253
Total Pages : 492 pages
Book Rating : 4.0/5 (12 download)

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Book Synopsis Electronic Tagging and Tracking in Marine Fisheries by : John R. Sibert

Download or read book Electronic Tagging and Tracking in Marine Fisheries written by John R. Sibert and published by Springer Science & Business Media. This book was released on 2001-11-30 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reviews: Methods and Technology in Fish Biology and Fisheries published by Kluwer Academic Publishers is a book series dedicated to the publication of information on advanced, forward-looking methodologies, technologies, or perspectives in fish and is especially dedicated to relevant topics addressing global, fisheries. This series international concern in fish and fisheries. Humans continue to challenge our environments with new technologies and technological applications. The dynamic creativity of our own species often tends to place the greatest burden on our supporting ecosystems. This is especially true for aquatic networks of creeks, lakes, rivers and ocean environments. We also frequently use our conceptual powers to balance conflicting requirements and demands on nature and continue to develop new approaches and tools to provide sustainable resources as well as conserve what we hold most dear on local and global scales. This book series will provide a window into the developing dynamic among humans, aquatic ecosystems (both freshwater and marine), and the organisms that inhabit aquatic environments. There are many reasons to doubt the increasing social and economic value technology has gained over the last two centuries. Science and technology represent stages in human development. I agree with Ernst Mayer when he said in Toward a New Philosophy of Biology (1988) that "endeavors to solve all scientific problems by pure logic and refined measurements are unproductive, if not totally irrelevant.

Administrative Report LJ

Author :
Publisher :
ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Administrative Report LJ by :

Download or read book Administrative Report LJ written by and published by . This book was released on with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Patterns in the Ocean

Author : Andrew Bakun
Publisher :
ISBN 13 :
Total Pages : 358 pages
Book Rating : 4.3/5 (5 download)

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Book Synopsis Patterns in the Ocean by : Andrew Bakun

Download or read book Patterns in the Ocean written by Andrew Bakun and published by . This book was released on 1996 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Management of Shared Fish Stocks

Author : Andrew I. L. Payne
Publisher : John Wiley & Sons
ISBN 13 : 0470999926
Total Pages : 384 pages
Book Rating : 4.4/5 (79 download)

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Book Synopsis Management of Shared Fish Stocks by : Andrew I. L. Payne

Download or read book Management of Shared Fish Stocks written by Andrew I. L. Payne and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Celebrating the centenary of the Centre for Environment Fisheries and Aquaculture Science (CEFAS) Fisheries Research Laboratory at Lowestoft, UK, this peer-reviewed, edited tome discusses four interwoven themes: · The consequences and management of unregulated/unreported catches · Competition · External drivers and resource behaviour · Ecosystems and migration With contributions from fisheries scientists, policy-makers and managers from more than twenty countries, this international volume has evolved from the CEFAS symposium on International Approaches to Management of Shared Fish Stock- Problems and Future Directions. The editors, Andrew Payne, Carl O’Brien and Stuart Rogers, have succeeded in bringing together the research of over sixty participants into an essential source of reference for all those involved in, or studying, fisheries management across the globe.

Fishery Bulletin

Author :
Publisher :
ISBN 13 :
Total Pages : 224 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Fishery Bulletin by :

Download or read book Fishery Bulletin written by and published by . This book was released on 2001 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook of Fish Biology and Fisheries

Author : Paul J. B. Hart
Publisher : John Wiley & Sons
ISBN 13 : 1405123222
Total Pages : 432 pages
Book Rating : 4.4/5 (51 download)

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Book Synopsis Handbook of Fish Biology and Fisheries by : Paul J. B. Hart

Download or read book Handbook of Fish Biology and Fisheries written by Paul J. B. Hart and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent decades have witnessed strong declines in fish stocks aroundthe globe, amid growing concerns about the impact of fisheries onmarine and freshwater biodiversity. Fisheries biologists andmanagers are therefore increasingly asking about aspects ofecology, behaviour, evolution and biodiversity that weretraditionally studied by people working in very separate fields.This has highlighted the need to work more closely together, inorder to help ensure future success both in management andconservation. The Handbook of Fish Biology and Fisheries has beenwritten by an international team of scientists and practitioners,to provide an overview of the biology of freshwater and marine fishspecies together with the science that supports fisheriesmanagement and conservation. This volume, subtitled Fish Biology, reviews a broadvariety of topics from evolutionary relationships and globalbiogeography to physiology, recruitment, life histories, genetics,foraging behaviour, reproductive behaviour and community ecology.The second volume, subtitled Fisheries, uses much of thisinformation in a wide-ranging review of fisheries biology,including methods of capture, marketing, economics, stockassessment, forecasting, ecosystem impacts and conservation. Together, these books present the state of the art in ourunderstanding of fish biology and fisheries and will serve asvaluable references for undergraduates and graduates looking for acomprehensive source on a wide variety of topics in fisheriesscience. They will also be useful to researchers who needup-to-date reviews of topics that impinge on their fields, anddecision makers who need to appreciate the scientific backgroundfor management and conservation of aquatic ecosystems. To order volume I, go to the box in the top right hand corner.Alternatively to order volume II, go to:http://www.blackwellpublishing.com/book.asp?ref=063206482X or toorder the 2 volume set, go to:http://www.blackwellpublishing.com/book.asp?ref=0632064838. Provides a unique overview of the study of fish biology andecology, and the assessment and management of fish populations andecosystems. The first volume concentrates on aspects of fish biology andecology, both at the individual and population levels, whilst thesecond volume addresses the assessment and management of fishpopulations and ecosystems. Written by an international team of expert scientists andpractitioners. An invaluable reference tool for both students, researchers andpractitioners working in the fields of fish biology andfisheries.