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Author : Alan R. Longhurst
Publisher : Unknown
Page : 336 pages
File Size : 41,9 Mb
Release : 2014-05-14
Category : Science
ISBN : 0511713096
A critique of the central assumption that marine ecosystems produce surplus fish that can be taken by commercial fishing.
Author : Alan Longhurst
Publisher : Cambridge University Press
Page : 128 pages
File Size : 41,9 Mb
Release : 2010-04-22
Category : Science
ISBN : 9781139489652
Longhurst examines the proposition, central to fisheries science, that a fishery creates its own natural resource by the compensatory growth it induces in the fish, and that this is sustainable. His novel analysis of the reproductive ecology of bony fish of cooler seas offers some support for this, but a review of fisheries past and present confirms that sustainability is rarely achieved. The relatively open structure and strong variability of marine ecosystems is discussed in relation to the reliability of resources used by the industrial-level fishing that became globalised during the 20th century. This was associated with an extraordinary lack of regulation in most seas, and a widespread avoidance of regulation where it did exist. Sustained fisheries can only be expected where social conditions permit strict regulation and where politicians have no personal interest in outcomes despite current enthusiasm for ecosystem-based approaches or for transferable property rights.
Author : World Bank
Publisher : World Bank Publications
Page : 114 pages
File Size : 44,8 Mb
Release : 2017-02-10
Category : Technology & Engineering
ISBN : 9781464809477
This report updates previous studies that measured in economic terms the extent of biological losses attributable to overfishing globally. The new estimates assess these 'sunken billions' at $83 billion annually. The report further shows that a clear path can lead to the recovery of these considerable losses, including through significant reduction in global fishing overcapacity. A breakdown between regions is also included, showing that the effort needed to achieve this reform will not be felt equally throughout the world. While the cost of such reform will likely be high, the expected benefits include an increase in biomass by a factor of 2.7, increase in annual harvests by 13 percent, and a 30-fold increase in annual net benefits accrued to the fisheries sector (from $3 billion to $86 billion annually). This urgent call for action is reinforced by the impacts of climate change on fish stocks and fisheries worldwide.
Author : Robert S. Pomeroy,Rebecca Rivera-Guieb
Publisher : CABI
Page : 283 pages
File Size : 50,9 Mb
Release : 2005
Category : Technology & Engineering
ISBN : 9780851990903
During the last decade, there has been a shift in the governance and management of fisheries to a broaderapproach that recognizes the participation of fishers, local stewardship, and shared decision-making.Through this process, fishers are empowered to become active members of the management team,balancing rights and responsibilities, and working in partnership with government. This approach iscalled co-management.This handbook describes the process of community-based co-management from its beginning, throughimplementation, to turnover to the community. It provides ideas, methods, techniques, activities, checklists,examples, questions and indicators for the planning and implementing of a process of community-basedco-management. It focuses on small-scale fisheries (freshwater, floodplain, estuarine, or marine) indeveloping countries, but is also relevant to small-scale fisheries in developed countries and to themanagement of other coastal resources (such as coral reefs, mangroves, sea grass, and wetlands). Thishandbook will be of significant interest to resource managers, practitioners, academics and students ofsmall-scale fisheries.
Author : National Research Council,Commission on Geosciences, Environment, and Resources,Ocean Studies Board,Committee on Ecosystem Management for Sustainable Marine Fisheries
Publisher : National Academies Press
Page : 189 pages
File Size : 53,7 Mb
Release : 1999-03-19
Category : Technology & Engineering
ISBN : 9780309055260
Fluctuations and declines in marine fish populations have caused growing concern among marine scientists, fisheries managers, commercial and recreational fishers, and the public. Sustaining Marine Fisheries explores the nature of marine ecosystems and the complex interacting factors that shape their productivity. The book documents the condition of marine fisheries today, highlighting species and geographic areas that are under particular stress. Challenges to achieving sustainability are discussed, and shortcomings of existing fisheries management and regulation are examined. The volume calls for fisheries management to adopt a broader ecosystem perspective that encompasses all relevant environmental and human influences. Sustaining Marine Fisheries offers new approaches to building workable fisheries management institutions, improving scientific data, and developing management tools. The book recommends ways to change current practices that encourage overexploitation of fish resources. It will be of special interest to marine policymakers and ecologists, fisheries regulators and managers, fisheries scientists and marine ecologists, fishers, and concerned individuals.
Author : Serge Garcia,Yimin Ye,Jake C. Rice,Anthony Trevor Charles
Publisher : Unknown
Page : 0 pages
File Size : 47,7 Mb
Release : 2018
Category : Fishery management
ISBN : OCLC:1049819472
"Rebuilding depleted stocks is a central part of the fisheries governance agenda. By analysing the available literature, Part 1 of "Rebuilding of marine fisheries" provides a global review of the emergence of the rebuilding paradigm, its key concepts, the trends in fishery resources, and the empirical evidence available on stocks depletion, collapse and rebuilding. It addresses the bio-ecological, economic, and human dimensions of rebuilding or restoration of stocks, multispecies assemblages and habitats/ecosystems and touches on the need for rebuilding at the whole sector level when depletion has become widespread and chronic. The human imensions of stocks and fisheries are given particular attention, looking at conflicting objectives, the bio-economy of rebuilding, its costs and benefits, and the distributional effects of the related reform among actors with their potential social consequences in the short and long terms. Governance is addressed in detail: legal and policy frameworks; rationale and objectives of a rebuilding regime; alternative rebuilding strategies; reference values and protocols; regulatory time-frames; risk management and harvest control rules; impacts of climatic oscillations; management tool-box; implementation guidance and performance evaluation. The document ends with a review of the determinants of success of a rebuilding programme."--Publisher's description for part 1.
Author : R. Quentin Grafton,Ray Hilborn,Dale Squires,Maree Tait,Meryl Williams
Publisher : Oxford University Press
Page : 784 pages
File Size : 55,9 Mb
Release : 2010-01-21
Category : Technology & Engineering
ISBN : 0199708282
This handbook is the most comprehensive and interdisciplinary work on marine conservation and fisheries management ever compiled. It is the first to bridge fisheries and marine conservation issues. Its innovative ideas, detailed case studies, and governance framework provide a global special perspective over time and treat problems in the high seas, community fisheries, industrial fishing, and the many interactions between use and non-use of the oceans. Its policy tools and ideas for overcoming the perennial problems of over fishing, habitat and biodiversity loss address the facts that many marine ecosystems are in decline and plagued by overexploitation due to unsustainable fishing practices. An outstanding feature of the book is the detailed case-studies on conservation practice and fisheries management from around the world. These case studies are combined with 'foundation' chapters that provide an overview of the state of the marine world and innovative and far reaching perspectives about how we can move forward to face present and future challenges. The contributors include the world's leading fisheries scientists, economists, and managers. Ecosystem and incentive-based approaches are described and complemented by tools for cooperative, participatory solutions. Unique themes treated: fisher behavior and incentives for management beyond rights-based approaches; a synthesis of proposed 'solutions'; a framework for understanding and overcoming the critical determinants of the decline in fisheries, degradation of marine ecosystems, and poor socio-economic performance of many fishing communities; models for innovative policy instruments; a plan of action and adoption pathways to promote sustainable fishing practices globally. Collectively, the handbook's many valuable contributions offer a way forward to both understanding and resolving the multifaceted problems facing the world's oceans.
Author : Daniel Pauly
Publisher : Greystone Books Ltd
Page : 139 pages
File Size : 40,5 Mb
Release : 2019-05-28
Category : Technology & Engineering
ISBN : 9781771643993
"Daniel Pauly is a friend whose work has inspired me for years." —Ted Danson, actor, ocean activist, and co-author of Oceana "This wonderfully personal and accessible book by the world’s greatest living fisheries biologist summarizes and expands on the causes of collapse and the essential actions that will be required to rebuild fish stocks for future generations.” —Dr. Jeremy Jackson, ocean scientist and author of Breakpoint The world’s fisheries are in crisis. Their catches are declining, and the stocks of key species, such as cod and bluefin tuna, are but a small fraction of their previous abundance, while others have been overfished almost to extinction. The oceans are depleted and the commercial fishing industry increasingly depends on subsidies to remain afloat. In these essays, award-winning biologist Dr. Daniel Pauly offers a thought-provoking look at the state of today’s global fisheries—and a radical way to turn it around. Starting with the rapid expansion that followed World War II, he traces the arc of the fishing industry’s ensuing demise, offering insights into how and why it has failed. With clear, convincing prose, Dr. Pauly draws on decades of research to provide an up-to-date assessment of ocean health and an analysis of the issues that have contributed to the current crisis, including globalization, massive underreporting of catch, and the phenomenon of “shifting baselines,” in which, over time, important knowledge is lost about the state of the natural world. Finally, Vanishing Fish provides practical recommendations for a way forward—a vision of a vibrant future where small-scale fisheries can supply the majority of the world’s fish. Published in Partnership with the David Suzuki Institute
Author : Jill Berman
Publisher : DIANE Publishing
Page : 56 pages
File Size : 41,6 Mb
Release : 2000-12
Category : Technology & Engineering
ISBN : 0756705827
Ensuring a healthy supply of fish & other marine species in the waters beyond each state's jurisdiction is a Federal responsibility carried out by the National Marine Fisheries Service (NMFS) & 8 fishery management councils. This report assesses NMFS' compliance with three provisions of the Magnuson-Stevens Act, which require it to: use the best available scientific information for fishery management; take into account the economic importance of fishery resources to fishing communities as it adopts measures to manage fishery resources; & identify essential fish habitat, the adverse impacts on that habitat, & the actions needed to conserve & enhance that habitat. Charts & tables.
Author : The BACC II Author Team
Publisher : Springer
Page : 501 pages
File Size : 43,7 Mb
Release : 2015-04-03
Category : Science
ISBN : 9783319160061
This book is an update of the first BACC assessment, published in 2008. It offers new and updated scientific findings in regional climate research for the Baltic Sea basin. These include climate changes since the last glaciation (approx. 12,000 years ago), changes in the recent past (the last 200 years), climate projections up until 2100 using state-of-the-art regional climate models and an assessment of climate-change impacts on terrestrial, freshwater and marine ecosystems. There are dedicated new chapters on sea-level rise, coastal erosion and impacts on urban areas. A new set of chapters deals with possible causes of regional climate change along with the global effects of increased greenhouse gas concentrations, namely atmospheric aerosols and land-cover change. The evidence collected and presented in this book shows that the regional climate has already started to change and this is expected to continue. Projections of potential future climates show that the region will probably become considerably warmer and wetter in some parts, but dryer in others. Terrestrial and aquatic ecosystems have already shown adjustments to increased temperatures and are expected to undergo further changes in the near future. The BACC II Author Team consists of 141 scientists from 12 countries, covering various disciplines related to climate research and related impacts. BACC II is a project of the Baltic Earth research network and contributes to the World Climate Research Programme.
Author : Bradley De Young,Canada. Department of Fisheries and Oceans,Canadian Global Change Program,National Research Council Canada
Publisher : NRC Research Press
Page : 216 pages
File Size : 43,6 Mb
Release : 1999
Category : Nature
ISBN : 0660176386
"NRC Monograph Publishing Program"--P. [ii].
Author : Francis T. Christy,Anthony Scott
Publisher : Routledge
Page : 320 pages
File Size : 48,5 Mb
Release : 2013-10-18
Category : Nature
ISBN : 9781135983222
By examining international fishery resources from a primarily economic and political viewpoint, this book highlights the common property aspects of fisheries, physical productivity of the ocean, supply and demand, and the legal and institutional framework within which the fisheries industry operates. Originally published in 1966
Author : James McGoodwin
Publisher : Stanford University Press
Page : 272 pages
File Size : 47,9 Mb
Release : 1995-02-01
Category : Social Science
ISBN : 9780804723718
For over twenty years, an alarming trend has emerged in the world’s fisheries: there are too many fishers chasing too few fish. This book provides a broad overview and fundamental reassessment of fisheries management policies around the world.
Author : Spencer Apollonio,Jacob J. Dykstra
Publisher : E-Booktime Llc
Page : 260 pages
File Size : 51,9 Mb
Release : 2008-08
Category : Nature
ISBN : 1598248332
This book reviews the fisheries of New England - "the poster child of mismanagement" - since 1977. It finds that many of the explanations offered for the New England problems are incorrect or irrelevant or counterproductive. It suggests that the problems lie in two general categories: first, the legislative and administrative context of management; and second and more serious, fundamental issues concerning fishing technologies, and lack of effective effort control strategies and an operational hypothesis of the dynamics of marine ecosystems. These latter issues are not confined to New England, but are inherent in most marine fisheries wherever they may be found. The book suggests a new concept for benign and selective fishing technologies, and it recommends a thorough review and analysis of the efficacy of effort control concepts. It proposes a management strategy based upon the hierarchical concept of ecosystems that could eliminate many of the current problems of management.
Author : United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Fisheries and Wildlife Conservation
Publisher : Unknown
Page : 242 pages
File Size : 42,5 Mb
Release : 1949
Category : Fish trade
ISBN : LOC:00186952674