Sample Based Fishery Surveys

Author : Constantine Stamatopoulos
Publisher : Fao
ISBN 13 :
Total Pages : 156 pages
Book Rating : 4.10/5 ( download)

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Download or read book Sample-based Fishery Surveys written by Constantine Stamatopoulos and published by Fao. This book was released on 2002 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook summarises the experience gained over recent years in fishery statistical development by the Fishery Information, Data and Statistics Unit of the FAO, and provides guidance for developing and implementing cost-effective and sustainable fishery surveys. The methodological and operational concepts discussed apply equally to marine and inland capture fisheries. The emphasis is placed on the understanding and interpretation of the statistics, rather than on the computations producing them.

Author : National Academies of Sciences, Engineering, and Medicine
Publisher : National Academies Press
ISBN 13 : 0309453747
Total Pages : 199 pages
Book Rating : 4.45/5 ( download)

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Download or read book Review of the Marine Recreational Information Program written by National Academies of Sciences, Engineering, and Medicine and published by National Academies Press. This book was released on 2017-08-24 with total page 199 pages. Available in PDF, EPUB and Kindle. Book excerpt: The National Marine Fisheries Service (NMFS) of the National Oceanic and Atmospheric Administration (NOAA) is responsible for collecting information on marine recreational angling. It does so principally through the Marine Recreational Information Program (MRIP), a survey program that consists of an in-person survey at fishing access sites and a mail survey, in addition to other complementary or alternative surveys. Data collected from anglers through MRIP supply fisheries managers with essential information for assessing fish stocks. In 2006, the National Research Council provided an evaluation of MRIP's predecessor, the Marine Recreational Fisheries Statistics Survey (MRFSS). That review, Review of Recreational Fisheries Survey Methods, presented conclusions and recommendations in six categories: sampling issues; statistical estimation issues; human dimensions; program management and support; communication and outreach; and general recommendations. After spending nearly a decade addressing the recommendations, NMFS requested another evaluation of its modified survey program (MRIP). This report, the result of that evaluation, serves as a 10-year progress report. It recognizes the progress that NMFS has made, including major improvements in the statistical soundness of its survey designs, and also highlights some remaining challenges and provides recommendations for addressing them.

Author : Constantine Stamatopoulos
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251050392
Total Pages : 108 pages
Book Rating : 4.92/5 ( download)

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Download or read book Safety in Sampling written by Constantine Stamatopoulos and published by Food & Agriculture Org.. This book was released on 2004 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper considers issues of sampling accuracy when sample-based data collection operations are performed under operational constraints, a concern of fishery administrations with limited budgets and human resources. It focuses on the determination of safe sample size using classical statistical methods in light of specific target populations. The concepts and methods discussed apply equally to both marine and inland capture fisheries, and can be adapted to commonly used data collection systems.

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309180252
Total Pages : 202 pages
Book Rating : 4.52/5 ( download)

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Download or read book Review of Recreational Fisheries Survey Methods written by National Research Council and published by National Academies Press. This book was released on 2006-07-13 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recreational fishing in the United States is an important social and economic component of many marine fisheries, with an estimated 14 million anglers making almost 82 million fishing trips in 2004. Although each individual angler typically harvests a small number of fish, collectively these sport fisheries can take a significant fraction of the yearly catch-in some cases more than commercial fisheries. For example, in 1999, recreational fishing accounted for 94% of the total catch of spotted sea trout, 76% of striped bass and sheephead, and 60 percent of king mackerel. It is important that systems used to monitor fishing catch are adequate for timely management of recreational fisheries. However, the large number of anglers and access points makes monitoring recreational fishing much more difficult than monitoring commercial fishing. This report reviews the types of survey methods used to estimate catch in recreational fisheries, including state/federal cooperative programs. The report finds that both telephone survey and onsite access components of the current monitoring systems have serious flaws in design or implementation. There are also several areas of miscommunication and mismatched criteria among designers of surveys, data collectors, and recreational fisheries. The report recommends that a comprehensive, universal sampling frame with national coverage should be established, and that improvements should be made in statistical analysis of the data collected and in the ways the data are communicated. A permanent and independent research group should be established and funded to evaluate the statistical design and adequacy of recreational fishery surveys and to guide necessary modifications or new initiatives.

Author : Constantine Stamatopoulos
Publisher : Fao
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.8F/5 ( download)

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Download or read book Sample-based Fishery Surveys written by Constantine Stamatopoulos and published by Fao. This book was released on 2002 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook summarises the experience gained over recent years in fishery statistical development by the Fishery Information, Data and Statistics Unit of the FAO, and provides guidance for developing and implementing cost-effective and sustainable fishery surveys. The methodological and operational concepts discussed apply equally to marine and inland capture fisheries. The emphasis is placed on the understanding and interpretation of the statistics, rather than on the computations producing them.

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309174406
Total Pages : 194 pages
Book Rating : 4.04/5 ( download)

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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.

Author : Kenneth Hugh Pollock
Publisher :
ISBN 13 :
Total Pages : 400 pages
Book Rating : 4.19/5 ( download)

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Download or read book Angler Survey Methods and Their Applications in Fisheries Management written by Kenneth Hugh Pollock and published by . This book was released on 1994 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author :
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.16/5 ( download)

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Download or read book FAO Fisheries Technical Paper written by and published by . This book was released on 1977 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : Evelina Sabatella
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251050934
Total Pages : 56 pages
Book Rating : 4.37/5 ( download)

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Download or read book Manual of Fisheries Sampling Surveys written by Evelina Sabatella and published by Food & Agriculture Org.. This book was released on 2004 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: This manual contains guidance on data collection methods for developing socio-economic indicators, and it can be used to facilitate and simplify reporting under international conventions and agreements on matters relating to the sustainable fisheries development. The methodologies can be applied to fisheries at many different levels, from individual fisheries and coastal management units to a global level, and it aims to encourage consistent use of statistical methods in data collection.

Author : Per Sparre
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251045268
Total Pages : 190 pages
Book Rating : 4.67/5 ( download)

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Download or read book Manual on Sample-based Data Collection for Fisheries Assessment written by Per Sparre and published by Food & Agriculture Org.. This book was released on 2000 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: This manual deals with the practical implementation of a routine data collection programme. The data collection programme is developed through a top-down approach, from the identification of the objectives down to the practical recording and management of data obtained from the fishery. The issues are dealth with both through detailed discussion and by using simple examples. The examples are mostly based on situations in tropical fisheries, and in particular, experience has been drawn from developing a data collection programme in Viet Nam. The main questions addressed i n the manual are which fisheries data to collect, where and when to collect them. Only data from commercial marine capture fisheries are considered. The methodologies used are mainly appropriate for a tropical, developing county, with many small (artisanal) vessels and a few large (industrial) vessels. The methodology is the "sample-based approach". The data collection methodology presented attempts to utilize whatever information can be obtained in practice in a developing country.