Horizontal Longline Fishing, Methods and Techniques PDF Download
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Author: Stephen Beverly
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 156
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Book Description
The main purpose of the manual is to introduce the horizontal longline fishing method to Pacific Island fishermen, as well as to assist those currently involved to improve their fishing success, particularly in commercial or semi-commercial situations. The manual is intended to act as a guide to the principles and techniques of good horizontal tuna longline fishing, for use by fishermen who want to start, refine or broaden their skills. Environmental and conservation issues and concerns have been included to raise awareness and to present ways to minimise impacts on unwanted species or the environment as a result of horizontal tuna longline fishing activities.
Author: Stephen Beverly
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 156
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Book Description
The main purpose of the manual is to introduce the horizontal longline fishing method to Pacific Island fishermen, as well as to assist those currently involved to improve their fishing success, particularly in commercial or semi-commercial situations. The manual is intended to act as a guide to the principles and techniques of good horizontal tuna longline fishing, for use by fishermen who want to start, refine or broaden their skills. Environmental and conservation issues and concerns have been included to raise awareness and to present ways to minimise impacts on unwanted species or the environment as a result of horizontal tuna longline fishing activities.
Author: Daniel C. Abel
Publisher: Johns Hopkins University Press
ISBN: 1421438364
Category : Science
Languages : en
Pages : 447
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Book Description
Feed your fascination with sharks! This complete resource enlightens readers on the biology, ecology, and behavior of sharks with approachable explanations and more than 250 stunning color illustrations. Studies of shark biology have flourished over the last several decades. An explosion of new research methods is leading to a fascinating era of oceanic discovery. Shark Biology and Conservation is an up-to-date, comprehensive overview of the diversity, evolution, ecology, behavior, physiology, anatomy, and conservation of sharks. Written in a style that is detailed but not intimidating by world-renowned shark specialists Dan Abel and Dean Grubbs, it relays numerous stories and insights from their exciting experiences in the field. While explaining scientific concepts in terms that non-specialists and students can understand, Abel and Grubbs reveal secrets that will illuminate even the experts. The text provides readers with a robust and wide range of essential knowledge as it • introduces emerging as well as traditional techniques for classifying sharks, understanding their behavior, and unraveling the mysteries of their evolution; • draws on both established shark science and the latest breakthroughs in the field, from molecular approaches to tracking technologies; • highlights the often-neglected yet fascinating subject of shark physiology, including heart function, sensory biology, digestion, metabolic performance, and reproduction; • addresses big picture ecological questions like "Which habitats do sharks prefer?" and "Where do sharks migrate and for what purpose?"; • describes the astonishing diversity of sharks' adaptations to their environment; • discusses which shark conservation techniques do and don't work; and • comments on the use and misuse of science in the study of sharks. Enhanced by hundreds of original color photographs and beautifully detailed line drawings, Shark Biology and Conservation will appeal to anyone who is spellbound by this wondrous, ecologically important, and threatened group, including marine biologists, wildlife educators, students, and shark enthusiasts.
Author: Stobberup, K., Anganuzzi, A., Arthur-Dadzie, M., Baidoo-Tsibu, G., Hosken, M., Kebe, P., Kuruc, M., Loganimoce, E., Million, J., Scott, G., Spurrier, L., Tavaga, N.
Publisher: Food & Agriculture Org.
ISBN: 9251338477
Category : Technology & Engineering
Languages : en
Pages : 84
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Book Description
Illegal, unreported and unregulated (IUU) fishing is a serious threat to sustainable fisheries, marine ecosystems and the livelihoods of legitimate fishers globally. To address it, the Common Oceans ABNJ Tuna Project is exploring ways to strengthen and harmonize the use of monitoring, control and surveillance tools, and combat IUU fishing in tuna fisheries across the marine areas beyond national jurisdiction.One tool is the use of electronic monitoring systems to monitor individual vessel operations at sea. In a typical electronic monitoring application, cameras, recording video or still images, are deployed at key points on the vessel to allow a view of the fishing operation. The video footage is stored on hard drives that government officials can use to review compliance with regulations, as well as record detailed data on catch and effort. It was envisaged that industry would have access to these data for its own operational purposes.To test the best way to incorporate this technology as complementary compliance tool, two pilot trials were set up: one in Ghana to cover the domestic tuna purse seine fleet fishing; and one in Fiji to cover the domestic longline fisheries. Close collaboration was established between national governments and industry for implementation.The overall aim of the pilots was to develop an effective implementation process at the national level, so that the information could be properly utilized for compliance purposes. This report documents the successful completion of these trials, and the lessons learned that could benefit electronic monitoring programmes elsewhere.
Author: Åsmund Bjordal
Publisher: Wiley-Blackwell
ISBN: 9780852382004
Category : Technology & Engineering
Languages : en
Pages : 170
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Book Description
Longlining is becoming increasingly more important as a method of fishing commercially for certain prime species of fish- particulary in the face of declining stocks. Longlining is much more selective that any other form of fishing and is thus more environmentally acceptable. Furthermore, longlining allows for the targeting of particular prime species and fish caught by this method are less damaged and thus hold a higher value. Despite the many major benefits of longlining, there are, as yet few books which address the technical and economic aspects of this method of commercial fishing. Written by an expert, this new book describes the principles and development of longlining fishing and explains the action of chemical sensing in fish and their behaviour towards baited hooks. Details of gear construction, the operation cycle for longlines, longline vessels and the different principles of mechanised baiting and on-board gear handling are provided and typical examples are given. The target species, gear parameters and catching efficiency, and the selective properties of longline gear are fully discussed whilst a concluding chapter compares longlining with other fishing methods.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309037883
Category : Technology & Engineering
Languages : en
Pages : 177
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Book Description
In developing countries, traditional fishermen are important food contributors, yet technological information and development assistance to third-world nations often focuses on agriculture and industrial fishing, without addressing the needs of independent, small-scale fishermen. This book explores technological considerations of small-scale, primitive fishing technologies, and describes innovative, relatively inexpensive methods and tools that have already been successfully applied in developing countries. It offers practical information about all aspects of small-scale fishing, including boat design and construction, fishing methods and gear, artificial reef construction and fish aggregating devices, techniques for coastal mariculture, and simple methods for processing and preserving fish once they are caught. Fisheries Technologies for Developing Countries is illustrated throughout with photographs of the devices and construction methods described in the text.
Author: L. Carter
Publisher: UNEP/Earthprint
ISBN: 9780956338723
Category : Political Science
Languages : en
Pages : 68
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Book Description
There are many things and services in our everyday life that we take for granted, and telecommunications is one of them. We surf the internet, send emails to friends and colleagues abroad, talk to family members in foreign countries over the phone, book airline seats and make banking transactions without actually realizing and appreciating the sophisticated technology that enables us to do so. This report covers the history and nature of cables, their special status in international law, their interaction with the environment and other ocean users and, finally, the challenges of the future. It is an evidence-based synopsis that aims to improve the quality and availability of information to enhance understanding and cooperation between all stakeholders. UNEP-WCMC in collaboration with the International Cable Protection Committee and UNEP has prepared this new report to provide an objective, factual description of the sub-marine cable industry and the interaction of submarine telecommunications (which route 95% of all international communications traffic) with the marine environment. This important report seeks to focus and guide deliberations and decision making on the wise conservation and protection of the oceans in concert with their sustainable management and use.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309047358
Category : Science
Languages : en
Pages : 191
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Book Description
This book presents key conclusions about the controversial killing of thousands of dolphins each year during tuna fishing in the eastern tropical Pacific. Dolphins drown in nets that are set to catch yellowfin tuna, which tend to swim beneath dolphin herds. After 20 years of intense debate among environmentalists, the tuna industry, and policymakers, this fatal by-product of tuna fishing remains a high-profile public issue. Dolphins and the Tuna Industry provides a neutral examination of the scientific and technical questions at the core of the problem. Recommendations for solutions are offered in two areas: developing new techniques that promise to reduce dolphin mortality with the existing purse-seine method of tuna fishing, and developing entirely new methods of finding tuna that are not swimming with dolphins. Dolphins and the Tuna Industry provides a comprehensive, highly readable overview of the dolphin-tuna controversy, useful to experts and newcomers to the issue. It explores the processes of tuna fishing and dolphin mortality, the status of the tuna industry, and the significant progress made in reducing dolphin mortality through modifications in fishing practice. The volume includes: An overview of U.S. laws and policies relating to tuna and dolphins. An illustrated look at how tuna fishing crews use their equipment, focusing on the purse seine, which is the method most economical to the industry but most deadly to the dolphins. An overview of what is known about tuna and dolphin populations and the remarkable bond between them. A step-by-step description of the fishing process and efforts to let dolphins escape from the nets. An analysis of possible approaches to reducing dolphin kill, including more stringent regulatory approaches and incentives for the tuna industry. This book will be indispensible to environmental and animal protection groups, tuna fishing crews and processors, companies that market tuna products, policymakers, regulators, and concerned individuals.
Author:
Publisher:
ISBN:
Category : Aquaculture
Languages : en
Pages : 232
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Book Description
Author: JoAnna Poblete
Publisher: University of Hawaii Press
ISBN: 082488339X
Category : History
Languages : en
Pages : 205
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Book Description
Balancing the Tides highlights the influence of marine practices and policies in the unincorporated territory of American Sāmoa on the local indigenous group, the American fishing industry, international seafood consumption, U.S. environmental programs, as well as global ecological and native concerns. Poblete explains how U.S. federal fishing programs in the post–World War II period encouraged labor based out of American Sāmoa to catch and can one-third of all tuna for United States consumption until 2009. Labeled "Made in the USA," this commodity was sometimes caught by non-U.S. regulated ships, produced under labor standards far below continental U.S. minimum wage and maximum work hours, and entered U.S. jurisdiction tax free. The second half of the book explores the tensions between indigenous and U.S. federal government environmental goals and ecology programs. Whether creating the largest National Marine Sanctuary under U.S. jurisdiction or collecting basic data on local fishing, initiatives that balanced western-based and native expectations for respectful community relationships and appropriate government programs fared better than those that did not acknowledge the positionality of all groups involved. Despite being under the direct authority of the United States, American Sāmoans have maintained a degree of local autonomy due to the Deeds of Cession signed with the U.S. Navy at the turn of the twentieth century that created shared indigenous and federal governance in the region. Balancing the Tides demonstrates how western-style economics, policy-making, and knowledge building imposed by the U.S. federal government have been infused into the daily lives of American Sāmoans. American colonial efforts to protect natural resources based on western approaches intersect with indigenous insistence on adhering to customary principles of respect, reciprocity, and native rights in complicated ways. Experiences and lessons learned from these case studies provide insight into other tensions between colonial governments and indigenous peoples engaging in environmental and marine-based policy-making across the Pacific and the globe. This study connects the U.S.-American Sāmoa colonial relationship to global overfishing, world consumption patterns, the for-profit fishing industry, international environmental movements and studies, as well as native experiences and indigenous rights. Open Access publication of this book was made possible by the Sustainable History Monograph Pilot, an initiative sponsored by the Andrew W. Mellon Foundation.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309173477
Category : Technology & Engineering
Languages : en
Pages : 436
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Book Description
Most U.S. fish stocks are fully or over-exploited, and harvesting in many fisheries far exceeds sustainable levels. The individual fishing quota (IFQ) is a relatively new instrument under which harvesting privileges are allocated to individual fishermenâ€"innovative yet controversial for its feared effect on fishing communities and individual fishermen. Based on testimony from fishermen, regulators, environmentalists, and others, Sharing the Fish explores how IFQs might address the serious social, economic, and biologic issues raised by depleted fish stocks. In their approach to a national policy on IFQs, the panel makes direct recommendations to Congress, the Secretary of Commerce, the National Marine Fisheries Service, regional fishery management councils, state authorities, and others. This book provides definitions and examples, reviews legislation and regulations, and includes lessons learned from fisheries on the U.S. East Coast and in Alaska, and in Iceland, New Zealand, and other nations. The committee discusses the public trust doctrine, management of common-pool resources, alternative and complementary approaches to the IFQ, and more. Sharing the Fish provides straightforward answers that will be important to fishery policymakers and regulators, natural resource economists, fishery managers, environmental advocates, and concerned fishermen and their communities.
