Modelling The Physics Of Prawn Trawling For Fisheries Management
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Modelling The Physics Of Prawn Trawling For Fisheries Management
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Author : D J Sterling Travel Gear Services
language : en
Publisher:
Release Date : 2005
Modelling The Physics Of Prawn Trawling For Fisheries Management written by D J Sterling Travel Gear Services and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Shrimp fisheries categories.
. Eight area of improvement to the PTPM were considered and in all cases significant changes were made. The accuracy of the new form of the model is here tested by comparing performance predictions with measurements of trawling performance for a variety of industrial trawl systems operated in the Queensland East Coast Trawl Fishery and also through comparing predicted trawling performance with prawn catches returned for trawlers operating in the Northern Prawn Fishery over the years 1970 to 2000. In the first case, errors in predicting swept area rate, considered an important performance parameter, were less than 5%. Fine scale issues were explored using the available sea mal data and a number of areas of concern within the model are highlighted. These relate to accurately quantifying the forces involved in the interaction of the trawl gear with the seabed and accurately accounting for the interaction between components within trawl systems. In the second case, the results suggest that between 50% and 60% of the variation in the seasonal catching performance of trawlers in the NPF is explained by predictions of swept area rate derived by the PTPM from the available data for that fishery. A comprehensive survey of applications for the PTPM is conducted in context with approaching the management of prawn trawling fisheries using the principles of ESD as defined by the National Strategy for ESD (1992). The Northern Prawn Fishery is used as a case study to explore in finer detail applications for the PTPM. Issues arising from the implementation of some of the applications are discussed.
Management Science In Fisheries
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Author : Charles T.T. Edwards
language : en
Publisher: Routledge
Release Date : 2016-02-26
Management Science In Fisheries written by Charles T.T. Edwards and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-02-26 with Nature categories.
A key goal of fisheries management is to regulate extractive pressure on a resource so as to ensure social, economic and ecological sustainability. This text provides an accessible entry point for students and professionals to management science as developed in fisheries, in order to facilitate uptake of the latest ideas and methods. Traditional management approaches have relied upon a stock assessment based on existing understanding of resource status and dynamics, and a prediction of the likely future response to a static management proposal. However all such predictions include an inherent degree of uncertainty, and the last few decades have seen the emergence of an adaptive approach that uses feedback control to account for unknown future behaviour. Feedback is achieved via a control rule, which defines a relationship between perceived status of the resource and a management action. Evaluations of such rules usually include computer simulation testing across a broad range of uncertainties, so that an appropriate and robust rule can be selected by stakeholders and managers. The book focuses on this approach, which is usually referred to as Management Strategy Evaluation. The book is enriched by case study examples from different parts of the world, as well as insights into the theory and practice from those actively involved in the science of fisheries management.
Fisheries Management
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Author : Tim McClanahan
language : en
Publisher: John Wiley & Sons
Release Date : 2008-04-15
Fisheries Management written by Tim McClanahan and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-04-15 with Technology & Engineering categories.
The world’s stocks of wild fish continue to decline, making the task of finding innovative, sustainable and socially acceptable methods of fisheries management more important than ever. Several new approaches from around the world have proved to be successful in stemming the decline whilst increasing fish catches, and under the editorship of McClanahan and Castilla this international team of authors have looked to these examples to provide the reader with carefully chosen case studies offering practical suggestions and solutions for problem fisheries elsewhere. Coverage includes: Community based fisheries Collaborative and co-operative fisheries management Coastal fisheries management The future for sustainable fisheries management Written by many of the world’s most experienced practitioners Fisheries Management: Progress toward sustainability is an important purchase for all fisheries scientists, managers and conservationists. All libraries in universities and research establishments where this area is studied and taught will find this book a valuable addition to their shelves.
Modelling And Quantitative Methods In Fisheries
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Author : Malcolm Haddon
language : en
Publisher: CRC Press
Release Date : 2001-05-31
Modelling And Quantitative Methods In Fisheries written by Malcolm Haddon and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-05-31 with Mathematics categories.
Quantitative methods and mathematical modelling are of critical importance to fishery science and management but, until now, there has been no book that offers the sharp focus, methodological detail, and practical examples needed by non-specialist fishery scientists and managers, and ecologists. Modelling and Quantitative Methods in Fisheries fills that void. To date, methodology books in fisheries science have been limited to cookbook approach to problems; simple compilations; or expositions in which either too much theory or insufficient methodological detail is given. The text is organized into three sections: an introduction to modelling in fisheries and ecology, a straight methodology section covering a range of methods, and a section focusing on specific fields in fisheries science. This book is timely as it addresses a topic of recent debate in fisheries and ecology, describing and comparing the uses of Least Squares, Maximum Likelihood, and Bayesian quantitative methods. Designed as stand-alone units, each chapter provides examples from both classic and recent literature and comes with dedicated Excel spreadsheets that permit you to delve into every detail of the analysis. All of these spreadsheets serve as active examples, which can easily be modified and customized and can be used as templates for analyzing your own data. The spreadsheets permit you to learn at your own speed and cover the simplest linear regression to the more complex non-linear modelling using maximum likelihood. Data analysis and modelling are best learned by doing and not just by reading. This book illustrates, step by step, the analyses it covers. More detailed in terms of introductory quantitative methods and modelling as applied to fisheries than any other book available, Modelling and Quantitative Methods in Fisheries gives you the advantage by supplying the full details of the analysis so that understanding the material is a matter of following the book.
Marine Invertebrate Fisheries
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Author : John F. Caddy
language : en
Publisher: John Wiley & Sons
Release Date : 1989-01-17
Marine Invertebrate Fisheries written by John F. Caddy and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989-01-17 with Technology & Engineering categories.
Systems Analysis and Simulation in Wildlife and Fisheries Sciences William E. Grant This hands-on approach provides guidance to the step-by-step applications of systems analysis and simulation to questions about ecological systems. At the same time, it explains general principles without requiring that readers have a strong background in mathematics, statistics, or computer science. Chapter 1 traces the development of systems ecology introducing basic concepts, while Chapters 2 through 5 present the four phases of systems analysis: conceptual model formulation, quantitative specification of the model, model validation, and model use. 1986 (0 471-89236-X) 338 pp. Bioeconomic Modelling and Fisheries Management Colin W. Clark Discusses the management of commercial marine fisheries and the relationship between the economic forces affecting the fishing industry and the biological factors that determine the production and supply of fish in the sea. Topics focus on methods of preventing overfishing and overcapitalization, economically effective and practical forms of regulation, management of developing fisheries, natural fluctuations of fish stocks, and complexities of marine ecosystems. 1985 (0 471-87394-2) 291 pp. Methods in Marine Zooplankton Ecology Makoto Omori and Tsutomu Ikeda Encompassing basic principles, procedures, and research problems, this book serves as a complete guide to current methods used in the study of marine zooplankton. The techniques are equally applicable to small organisms and to the larval stages of larger, commercially important organisms. Chapters start with a brief, but well-summarized introduction to zooplankton, followed by field sampling strategies and laboratory methods, and then conclude with estimates of productivity and analysis of community structure. Each method is described in detail, including a discussion of the problems inherent in using it. 1984 (0 471-80107-0) 322 pp.
The Knowledge Base For Fisheries Management
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Author : Lorenzo Motos
language : en
Publisher: Elsevier
Release Date : 2006-08-18
The Knowledge Base For Fisheries Management written by Lorenzo Motos and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-08-18 with Technology & Engineering categories.
Fisheries are in a state of crisis throughout the world. While there has been some success, truly effective fisheries management seems beyond our grasp. The knowledge needed for proper management contains a broad array of facts and connections from statistical stock assessments, to the information that allows government agencies to track compliance with rules and beyond. This book describes the state-of-the-art knowledge about fishery systems. Seldom seen in a scientific publication regarding fisheries science, this book presents a multidisciplinary perspective of fisheries management. Leading fisheries scholars with backgrounds in biology, ecology, economics and sociology ask how management institutions can learn and put their lessons to use. The Knowledge Base for Fisheries Management offers a unique overview of the world of fisheries management and provides the background to draw conclusions of what is needed to improve management. Covering a wide range of regimes, case studies and professional perspectives, this publication will be an obliged reference to anyone involved on fisheries management, assessment, policy making or fisheries development all over the world. * The only book on the market that analyzes fisheries in a biological, sociological and economic way * Fills a gap, focusing not only on the production of knowledge for fisheries management but also on how it is used in all steps of the management system and the decision making processes * Focuses on the hot topic: scientific knowledge and society-science based policies * Documents disseminated research from many different management systems, both European and world wide
Ecosystem Based Fisheries Management In The Western Pacific
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Author : Edward Glazier
language : en
Publisher: John Wiley & Sons
Release Date : 2011-05-03
Ecosystem Based Fisheries Management In The Western Pacific written by Edward Glazier and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-05-03 with Technology & Engineering categories.
As the ecosystem-based trend in fisheries management continues to be implemented worldwide, a thorough background of this new management approach and resulting implementation strategies is needed. Ecosystem-Based Fisheries Management in the Western Pacific presents a full picture of the process changes used in switching from target species based management to EBFM, using a region that is at the forefront of this widely accepted movement. Ecosystem-Based Fisheries Management in the Western Pacific is the outgrowth of a series of three workshops convened by the Western Pacific Regional Fishery Management council. The book follows the logical approach of each workshop, beginning with an assessment of the current state of fisheries management, transitioning through the data sources and modeling systems used to advance EBFM, and ending with practical methodologies for more thorough global implementation in the future. Contributed by experts from the Pacific regions as well as the UK and Non-pacific States, this book is one of the first available compendiums on this important movement and will be applicable to fisheries scientists and researchers, fisheries managers, policy makers, and social scientists worldwide
Advances In Fisheries Science
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Author : Andrew I. L. Payne
language : en
Publisher: John Wiley & Sons
Release Date : 2009-01-22
Advances In Fisheries Science written by Andrew I. L. Payne and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-01-22 with Technology & Engineering categories.
This timely book brings readers up to date on the wide range of advances made in fisheries science since the publication in 1957 of On the Dynamics of Exploited Fish Populations (Beverton and Holt), regarded by many fisheries scientists as one of the most important books on fisheries yet published. Traditional fishery subjects covered include historic declines and changes in fishing fleets, fisheries management and stock assessments, data-poor situations, simulation and modelling of fished stocks, fisheries economics, assessing reproductive potential and dispersal of larvae, fisheries for sharks and rays, and use of marine technology. Additionally, related subjects of increasing importance now that ecological approaches to management are coming to the fore are presented. They include benthic ecology, ecosystem changes linked to fishing, life history theory, the effects of chemicals on fish reproduction, and use of sounds in the sea by marine life. Several chapters offer stimulating philosophical discussion of the many controversial areas still existing. This significant book, edited by Andy Payne, John Cotter and Ted Potter and containing contributions by world-renowned fisheries scientists, including many based at Cefas (where Beverton and Holt's original work was carried out) is an essential purchase for fisheries managers and scientists, fish biologists, marine scientists and ecologists. Libraries in all universities and research establishments where fisheries and biological sciences are studied and taught are likely to need copies of this landmark publication.
Marine Freshwater Research
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Author :
language : en
Publisher:
Release Date : 2014
Marine Freshwater Research written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Freshwater biology categories.
Complex Science For A Complex World
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Author : Pascal Perez
language : en
Publisher: ANU E Press
Release Date : 2006-08-01
Complex Science For A Complex World written by Pascal Perez and has been published by ANU E Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-08-01 with Science categories.
It is well known that human activities are endangering the stability and sustainability of many fragile ecosystems. This title looks at the science that addresses the frontiers of interactions between human behavior and environmental responses.