The Status Of Marine Fishery Stock Assessments In The Asian Region And The Potential For A Network Of Practitioners

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The status of marine fishery stock assessments in the Asian region and the potential for a network of practitioners

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Author : Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
ISBN 13 : 9251384371
Total Pages : 120 pages
Book Rating : 4.2/5 (513 download)

Book Synopsis The status of marine fishery stock assessments in the Asian region and the potential for a network of practitioners by : Food and Agriculture Organization of the United Nations

Download or read book The status of marine fishery stock assessments in the Asian region and the potential for a network of practitioners written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2023-12-12 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: The global fisheries sector in 2023 is now appreciably different compared to that of the 1970s, as are the dominant fish stocks that comprise most of the current global landings, their location and modes of their exploitation. The fisheries of South and Southeast Asia have also changed over this period and alongside their changing nature, there has been the continuous evolution of the tools and the requirements for calculating and presenting global sustainability information. This has transformed ability to assess fish stocks, use data-poor methodologies, assess multispecies fisheries and also take into account some of the complex interactions between target and non-target species and related ecosystem effects. The countries of the South and Southeast Asia region have not reported the status of stocks in a comprehensive manner to FAO and there is a need to understand how to access existing information and also build capacity to assess the fisheries of the region using appropriate tools. This review provides thematic papers on stock assessment approaches and their application to the region. The country analysis describes the data sources and assessment methods currently being applied in national fishery management areas and in smaller regions. The review contains recommendations on the needs for capacity building and how improved regional networking can provide support to the greater understanding and application of new or improved methods of stock assessment in the region.

Review of Northeast Fishery Stock Assessments

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Author : Committee to Review Northeast Fishery Stock Assessments
Publisher : National Academies Press
ISBN 13 : 0309591651
Total Pages : 137 pages
Book Rating : 4.3/5 (95 download)

Book Synopsis Review of Northeast Fishery Stock Assessments by : Committee to Review Northeast Fishery Stock Assessments

Download or read book Review of Northeast Fishery Stock Assessments written by Committee to Review Northeast Fishery Stock Assessments and published by National Academies Press. This book was released on 1998-05-01 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: The collapse of cod, flounder, and haddock fish stocks in the Northeast United States has caused widespread concern among managers and fishers in the United States and Canada. The diminishing stocks have forced managers to take strict regulatory measures. Numerous questions have been raised about the adequacy of stock assessment science used to evaluate the status of these stocks and the appropriateness of the management measures taken. Based on these concerns, Congress mandated that a scientific review of the methodology and data used to evaluate these stocks be conducted. In this volume, the committee concludes that although there are improvements to be made in data collection, modeling uncertainty, and communicating between fishers, managers, and scientists, the scientific methods used in the Northeast stock assessments are sound. Recommendations are made on how the stock assessment process can be improved.

Fish Stock Assessments

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Author : Anne-Marie Fennell
Publisher :
ISBN 13 : 9781457857706
Total Pages : 40 pages
Book Rating : 4.8/5 (577 download)

Book Synopsis Fish Stock Assessments by : Anne-Marie Fennell

Download or read book Fish Stock Assessments written by Anne-Marie Fennell and published by . This book was released on 2014-10-22 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: U.S. marine fisheries contribute over $100 billion annually to the American economy and provide recreational fishing opportunities to millions of Americans. To continue enjoying these benefits, the Nat. Oceanic and Atmospheric Admin. (NOAA) manages marine fish stocks to ensure their sustainable use. NOAA's National Marine Fisheries Service (NMFS) is responsible for fishery conservation and management, including fish stock assessments to estimate the size of the population of a fish stock and to examine whether a stock is overfished and provide support for management measures. This report (1) identifies differences in the number and frequency of fish stock assessments conducted by NMFS' regional fisheries science centers and the causes of those differences; (2) identifies how NMFS sets priorities for conducting fish stock assessments; (3) determines the funding NMFS receives annually for conducting fish stock assessments; and (4) determines how NMFS makes funding decisions to support fish stock assessments. Tables and figures. This is a print on demand report.

Marine Fisheries Stock Assessment Improvement Plan

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Author :
Publisher :
ISBN 13 :
Total Pages : 160 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Marine Fisheries Stock Assessment Improvement Plan by :

Download or read book Marine Fisheries Stock Assessment Improvement Plan written by and published by . This book was released on 2001 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Stock Assessment for Fishery Management

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Author : Daniel D. Hoggarth
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251055038
Total Pages : 284 pages
Book Rating : 4.0/5 (55 download)

Book Synopsis Stock Assessment for Fishery Management by : Daniel D. Hoggarth

Download or read book Stock Assessment for Fishery Management written by Daniel D. Hoggarth and published by Food & Agriculture Org.. This book was released on 2006 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication contains guidelines for fish stock assessment and fishery management using the software tools and other outputs developed by the UK Department for International Development's Fisheries Management Science Programme (FMSP) from 1992 to 2004. It includes a CD-ROM with the installation files for each of the four FMSP software tools: LFDA (Length Frequency Data Analysis), CEDA (Catch Effort Data Analysis), YIELD and ParFish (Participatory Fisheries Stock Assessment).

Improving Fish Stock Assessments

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Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309174406
Total Pages : 194 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Improving Fish Stock Assessments by : National Research Council

Download or read book Improving Fish Stock Assessments written by National Research Council and published by National Academies Press. This book was released on 1998-02-27 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ocean harvests have plateaued worldwide and many important commercial stocks have been depleted. This has caused great concern among scientists, fishery managers, the fishing community, and the public. This book evaluates the major models used for estimating the size and structure of marine fish populations (stock assessments) and changes in populations over time. It demonstrates how problems that may occur in fisheries dataâ€"for example underreporting or changes in the likelihood that fish can be caught with a given type of gearâ€"can seriously degrade the quality of stock assessments. The volume makes recommendations for means to improve stock assessments and their use in fishery management.

Stock Assessment

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Author : Vincent F. Gallucci
Publisher : CRC Press
ISBN 13 : 1000940969
Total Pages : 538 pages
Book Rating : 4.0/5 (9 download)

Book Synopsis Stock Assessment by : Vincent F. Gallucci

Download or read book Stock Assessment written by Vincent F. Gallucci and published by CRC Press. This book was released on 2023-05-31 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stock Assessment: Quantitative Methods and Applications for Small Scale Fisheries is a book about stock assessment as it is practiced. It focuses on applications for small scale or artisanal fisheries in developing countries, however it is not limited in applicability to tropical waters and should also be considered a resource for students of temperate fishery management problems. It incorporates a careful sample design, various mathematical models as a basis for predicting consequences for stock exploitation, and discusses the impact of exploitation on non-targeted species. This was a unique concept involving a collaborative effort between U.S. and host country scientists to address issues of regional and global concern through innovative research. Unlike other books on stock assessment that show mathematical models, this is the only book of its kind that discusses how an assessment is carried out. It looks at the field as a whole and includes sampling, age determination and acoustics. The book represents the culmination of a nine-year program financed by the United States Agency for International Development to provide new or improved methods of stock assessment for artisanal fisheries.

Developing New Approaches to Global Stock Status Assessment and Fishery Production Potential of the Seas

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Author : Andrew Alan Rosenberg
Publisher : Food & Agriculture Organization of the UN (FAO)
ISBN 13 : 9789251079928
Total Pages : 0 pages
Book Rating : 4.0/5 (799 download)

Book Synopsis Developing New Approaches to Global Stock Status Assessment and Fishery Production Potential of the Seas by : Andrew Alan Rosenberg

Download or read book Developing New Approaches to Global Stock Status Assessment and Fishery Production Potential of the Seas written by Andrew Alan Rosenberg and published by Food & Agriculture Organization of the UN (FAO). This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stock status is a key parameter for evaluating the sustainability of fishery resources and developing corresponding management plans. Unfortunately, the majority of stocks are not assessed, often as a result of insufficient data and the lack of resources needed to execute formal stock assessments. This working group focused on two approaches to estimating fisheries status: one based on single stock status and the other based on ecosystem production.

Data-limited Research in Stock Assessment to Increase the Understanding of Fisheries Resources and Inform and Improve Management Efforts

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Author : Giuseppe Scarcella
Publisher : Frontiers Media SA
ISBN 13 : 283252009X
Total Pages : 294 pages
Book Rating : 4.8/5 (325 download)

Book Synopsis Data-limited Research in Stock Assessment to Increase the Understanding of Fisheries Resources and Inform and Improve Management Efforts by : Giuseppe Scarcella

Download or read book Data-limited Research in Stock Assessment to Increase the Understanding of Fisheries Resources and Inform and Improve Management Efforts written by Giuseppe Scarcella and published by Frontiers Media SA. This book was released on 2023-04-10 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Stock Assessment

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Author : Vincent F. Gallucci
Publisher : CRC Press
ISBN 13 : 9781566701518
Total Pages : 544 pages
Book Rating : 4.7/5 (15 download)

Book Synopsis Stock Assessment by : Vincent F. Gallucci

Download or read book Stock Assessment written by Vincent F. Gallucci and published by CRC Press. This book was released on 1995-10-25 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stock Assessment: Quantitative Methods and Applications for Small Scale Fisheries is a book about stock assessment as it is practiced. It focuses on applications for small scale or artisanal fisheries in developing countries, however it is not limited in applicability to tropical waters and should also be considered a resource for students of temperate fishery management problems. It incorporates a careful sample design, various mathematical models as a basis for predicting consequences for stock exploitation, and discusses the impact of exploitation on non-targeted species. This was a unique concept involving a collaborative effort between U.S. and host country scientists to address issues of regional and global concern through innovative research. Unlike other books on stock assessment that show mathematical models, this is the only book of its kind that discusses how an assessment is carried out. It looks at the field as a whole and includes sampling, age determination and acoustics. The book represents the culmination of a nine-year program financed by the United States Agency for International Development to provide new or improved methods of stock assessment for artisanal fisheries.

Quantitative Fisheries Stock Assessment

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Author : R. Hilborn
Publisher : Springer Science & Business Media
ISBN 13 : 9780412022715
Total Pages : 590 pages
Book Rating : 4.0/5 (227 download)

Book Synopsis Quantitative Fisheries Stock Assessment by : R. Hilborn

Download or read book Quantitative Fisheries Stock Assessment written by R. Hilborn and published by Springer Science & Business Media. This book was released on 1992 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book really began in 1980 with our first microcomputer, an Apple II +. The great value of the Apple II + was that we could take the computer programs we had been building on mainframe and mini-computers, and make them available to the many fisheries biologists who also had Apple II + 's. About 6 months after we got our first Apple, John Glaister came through Vancouver and saw what we were doing and realized that his agency (New South Wales State Fisheries) had the same equipment and could run the same programs. John organized a training course in Australia where we showed about 25 Australian fisheries biologists how to use microcomputers to do many standard fisheries analyses. In the process of organizing this and sub sequent courses we developed a series of lecture notes. Over the last 10 years these notes have evolved into the chapters of this book.

Size-based assessment of data-limited inland fish stocks – Review and applications

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Author : Shephard, S., Valbo-Jorgensen, J., Abadía, J., Baigún, C., Doria, C.R.C., Fabré, N.N., Isaac, V.J., Ngor, P.B., Ruffino, M.L., Funge-Smith, S.J.
Publisher : Food & Agriculture Org.
ISBN 13 : 9251335028
Total Pages : 75 pages
Book Rating : 4.2/5 (513 download)

Book Synopsis Size-based assessment of data-limited inland fish stocks – Review and applications by : Shephard, S., Valbo-Jorgensen, J., Abadía, J., Baigún, C., Doria, C.R.C., Fabré, N.N., Isaac, V.J., Ngor, P.B., Ruffino, M.L., Funge-Smith, S.J.

Download or read book Size-based assessment of data-limited inland fish stocks – Review and applications written by Shephard, S., Valbo-Jorgensen, J., Abadía, J., Baigún, C., Doria, C.R.C., Fabré, N.N., Isaac, V.J., Ngor, P.B., Ruffino, M.L., Funge-Smith, S.J. and published by Food & Agriculture Org.. This book was released on with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: Assessment of data-limited fish stocks is a rapidly evolving topic in marine fisheries, and is supported by an increasing focus on the socio-economic and ecological importance of small-scale fisheries. The challenges in such systems can be compounded in inland fisheries, which are often complex, spatially dispersed and difficult to monitor. This publication reviews the application of empirical indicators and simple size-based models usually used in marine fisheries, but also applicable in inland systems. It presents case study applications for important fisheries in the Amazon River (Brazil), Tonlé Sap River (Cambodia), Paraná River (Argentina) and Lago Bayano (Panama). These studies consider issues including spatial separation of life-history stages, strong modality in population size structure, and fishing gear selectivity. Local scientific experts interpreted trends in stock state. Empirical indicators showed strong decline in size structure and relative abundance for one of the four assessed Tonlé Sap stocks. The length-based spawning potential ratio model suggested that two of the three assessed Amazon Goliath catfish stocks, and the sábalo stock in the Paraná River, were below sustainable spawning potential ratio reference points. The Lago Bayano tilapia stock appeared healthy. The review concludes that data-limited assessment methods developed for marine stocks may provide guidance for the sustainable management of important target species in inland fisheries. The methods tested are probably less applicable in non-selective fisheries where small species are preferred, or in river fisheries with extreme dependence on flood pulses. Important considerations are species life history and spatial distribution, environmental variability, and fishery sampling strategy.

Report of the Workshop on Fishery Stock Indicators and Stock Status

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Author : Food and Agriculture Organization of the United Nations. Regional Commission for Fisheries
Publisher : Food & Agriculture Organization of the UN (FAO)
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.:/5 (319 download)

Book Synopsis Report of the Workshop on Fishery Stock Indicators and Stock Status by : Food and Agriculture Organization of the United Nations. Regional Commission for Fisheries

Download or read book Report of the Workshop on Fishery Stock Indicators and Stock Status written by Food and Agriculture Organization of the United Nations. Regional Commission for Fisheries and published by Food & Agriculture Organization of the UN (FAO). This book was released on 2011 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This document contains the report of the FAO/RECOFI Regional Workshop on Fishery Stock Indicators and Stock Status that was held in Tehran, Islamic Republic of Iran, from 26 to 29 July 2009. At the fourth session (2007) of RECOFI held in Jeddah, Kingdom of Saudi Arabia, the Secretariat prepared for the minimum requirements of stock assessment. The Commission recognized that those requirements were too complicated and noted a shortage of expertise. The effort was resumed at the second meeting of the Working Group on Fisheries Management (WGFM) in 2008 where a shift to a pragmatic approach based on an Ecosystem Approach to Fisheries management (EAF) with adaptive procedures was recommended. The objective of the Workshop was to review the availability of data on the biology of the identified priority resources, catch and effort statistics for the relevant fisheries, other socio-economic statistics, results of stock assessments and other relevant research activities in member countries; to identify the major gaps in knowledge and information, priority areas for regional cooperation and potential joint activities; and to formulate the RECOFI work program for regional cooperation in assessment of stocks and fishery status appraisal in the short and medium term..."--Publisher description.

Bulletin of the Atomic Scientists

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Author :
Publisher :
ISBN 13 :
Total Pages : 104 pages
Book Rating : 4./5 ( download)

Book Synopsis Bulletin of the Atomic Scientists by :

Download or read book Bulletin of the Atomic Scientists written by and published by . This book was released on 1970-12 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Bulletin of the Atomic Scientists is the premier public resource on scientific and technological developments that impact global security. Founded by Manhattan Project Scientists, the Bulletin's iconic "Doomsday Clock" stimulates solutions for a safer world.

Robust Methods for the Analysis of Images and Videos for Fisheries Stock Assessment

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Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309314720
Total Pages : 90 pages
Book Rating : 4.3/5 (93 download)

Book Synopsis Robust Methods for the Analysis of Images and Videos for Fisheries Stock Assessment by : National Research Council

Download or read book Robust Methods for the Analysis of Images and Videos for Fisheries Stock Assessment written by National Research Council and published by National Academies Press. This book was released on 2015-02-24 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: The National Marine Fisheries Service (NMFS) is responsible for the stewardship of the nation's living marine resources and their habitat. As part of this charge, NMFS conducts stock assessments of the abundance and composition of fish stocks in several bodies of water. At present, stock assessments rely heavily on human data-gathering and analysis. Automatic means of fish stock assessments are appealing because they offer the potential to improve efficiency and reduce human workload and perhaps develop higher-fidelity measurements. The use of images and video, when accompanies by appropriate statistical analyses of the inferred data, is of increasing importance for estimating the abundance of species and their age distributions. Robust Methods for the Analysis of Images and Videos for Fisheries Stock Assessment is the summary of a workshop convened by the National Research Council Committee on Applied and Theoretical Statistics to discuss analysis techniques for images and videos for fisheries stock assessment. Experts from diverse communities shared perspective about the most efficient path toward improved automation of visual information and discussed both near-term and long-term goals that can be achieved through research and development efforts. This report is a record of the presentations and discussions of this event.

Fish Stock Assessment Manual

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Author : Emygdio L. Cadima
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251045053
Total Pages : 188 pages
Book Rating : 4.0/5 (45 download)

Book Synopsis Fish Stock Assessment Manual by : Emygdio L. Cadima

Download or read book Fish Stock Assessment Manual written by Emygdio L. Cadima and published by Food & Agriculture Org.. This book was released on 2003 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: This manual examines mathematical models applied in fish stock assessment, including models and variation rates; cohort models and analyses; stock fishing patterns, components, stock-recruitment relations, short- and long-term stock projections; fisheries resources management with regards to biological reference points and regulation measures; production models; estimation of parameters; and exercises.

FAO-ICLARM stock assessment tools

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Author : F. C. Gayanilo
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251040478
Total Pages : 280 pages
Book Rating : 4.0/5 (44 download)

Book Synopsis FAO-ICLARM stock assessment tools by : F. C. Gayanilo

Download or read book FAO-ICLARM stock assessment tools written by F. C. Gayanilo and published by Food & Agriculture Org.. This book was released on 1997 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: