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No Thumbnail AvailableBook (series)A global assessment of fisheries bycatch and discards 1994
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No results found.The authors estimate that between 17.9 and 39.5 million tons (average 27.0 million) of fish are discarded each year in commercial fisheries. These estimates are based on a review of over 800 papers. The highest quantities of discards are from the Northwest Pacific while tropical shrimp trawl fisheries generate a higher proportion of discards than any other fishery type, accounting for one third of the global total. Of four major gear groups, shrimp trawls stand alone at the top of the list; b ottom trawls, long-lines and pot fisheries come next. The third group consists of Japanese high-seas drift net fisheries, Danish seines and purse seines for capelin. Relatively low levels result from pelagic trawls, small pelagic purse seines and some of high seas drift nets. The authors point to inadequate data to determine the biological, ecological, economic and cultural impacts of discards although economic losses run to billions of dollars. However, it appears most likely that socio-cultura l attitudes towards marine resources will guide international discard policies. Techniques to reduce bycatch levels including traditional net selectivity, fishing gear development and time/area restrictions, are discussed. Effort reduction, incentive programmes and individual transferable quotas (that make the vessel responsible for bycatch reduction) are seen as promising avenues for the future. However, quick solutions to the problem are unlikely and much more information is required. Th e publication includes a diskette with the complete Bycatch Database, which was compiled for the study, and a summary of it. -
Book (series)Fishing operations - Guidelines to prevent and reduce bycatch of marine mammals in capture fisheries 2021
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The Guidelines to Prevent and Reduce Bycatch of Marine Mammals in Capture Fisheries were produced by FAO in response to the request from the Committee on Fisheries at its Thirty-third Session in 2018 to develop technical guidelines on this subject, and are directed at decision-makers, planners, managers and all those involved in developing and implementing policy and technical interventions which relate to the bycatch of marine mammals in fisheries.The guidelines were drafted and developed through a series of activities undertaken by FAO, including the Expert Workshop on Means and Methods for Reducing Marine Mammal Mortality in Fishing and Aquaculture Operations and the Expert Meeting to Develop Technical Guidelines to Reduce Bycatch of Marine Mammals in Capture Fisheries. They outline options for marine mammal bycatch reduction through the application of technical measures, including: spatial closures, the use of acoustic deterrents or alerting devices, modifications to fishing gear, changes in fishing operations and other strategies. The document refers to policy instruments and institutional frameworks that support the implementation of the guidelines and the conservation of marine mammals, in addition to awareness raising, communication and capacity-building actions, together with the special requirements of developing States. Finally, the guidelines address the future research and development needs for the prevention and reduction of marine mammal bycatch in capture fisheries. -
No Thumbnail AvailableBook (series)Report of the Technical Consultation on Reduction of Wastage in Fisheries. Tokyo, Japan, 28 October - 1 November 1996. 1996
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No results found.The report of the Technical Consultation on Reduction of Wastage in Fisheries held in Tokyo, Japan (28 October - 1 November 1996) summarizes the discussions of the meeting and the recommendations formulated. These include discussions on the definitions used and the obligations and recommendations under international agreements such as the United Nations Agreement for the Conservation and Management of Straddling Fish Stocks and Highly Migratory Fish Stocks and the FAO Stocks and the FAO Code of conduct for Responsible Fisheries. The meeting discussed the progress made in reducing wastage through selective fishing and fishing gear, fuller utilization of catches and management of fisheries. The collection of data on and the refinement of estimates of fish discards was also discussed at lenght.
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