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Book (series)Overview of mitigation measures to reduce the incidental catch of vulnerable species in fisheries 2021
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Error: Could not load results for '/discover/search/objects?sort=dc.language.iso,ASC&page=0&size=5&configuration=item&query=(fao.identifier.jobnumber_keyword%3Acb5049*%20OR%20fao.identifier.jobnumber_keyword%3ACB5049*)%20-fao.identifier.jobnumber_keyword%3ACB5049EN%20AND%20archived%3Atrue'.Potentially harmful contact between fisheries and marine vulnerable species represents a global conservation issue and efforts to mitigate the negative repercussions of these interactions belong in strategies for ensuring the sustainability of fisheries. This literature review offers a survey of mitigation measures and techniques that have been developed and tested around the world, aiming to address both the incidental catch of highly mobile species – specifically, cetaceans, seabirds, sharks and rays, and sea turtles – and depredation caused by dolphins. Based on research detailed in over 300 documents, including peer-reviewed publications, reports from international organizations and papers available on the internet, most of the mitigation techniques illustrated are still under development, with only a few already adopted through legislation. The selected mitigation measures are grouped by main types of fishing gear – gillnets and trammel nets, longlines and lines, trawls, purse seines, traps and pots – and further subdivided according to which of the four main groups of vulnerable species – cetaceans, seabirds, sharks and rays, or sea turtles – they are designed to protect. Preventive and curative approaches covering both technical measures (gear modifications, strategies, as well as acoustic, visual, magnetic and chemosensory deterrents) and management measures are described. -
Book (series)Monitoring incidental catch of vulnerable species in the Mediterranean and the Black Sea: Methodology for data collection 2019
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Error: Could not load results for '/discover/search/objects?sort=dc.language.iso,ASC&page=0&size=5&configuration=item&query=(fao.identifier.jobnumber_keyword%3Aca4991*%20OR%20fao.identifier.jobnumber_keyword%3ACA4991*)%20-fao.identifier.jobnumber_keyword%3ACA4991EN%20AND%20archived%3Atrue'.Bycatch – a term widely used to refer to the part of catch unintentionally captured during a fishing operation, in addition to target species, and consisting of discards and incidental catches of vulnerable species – is considered one of the most important threats to the profitability and sustainability of fisheries, as well as to the conservation of the marine environment and ecosystems. In the Mediterranean, studies on the incidental catch of vulnerable species cover only a small portion of the total fishing activity. In addition, there are several important knowledge gaps for many types of fishing gear, and several countries and/or subregions, as well as on temporal scales, and only a few measures are in place that address the protection of vulnerable species. Monitoring programmes and surveys on incidental catches, which follow a harmonized methodology allowing for results to be compared across subregions, are necessary to improve knowledge on the issue and to subsequently support the identification of potential mitigation methods and tools, and relevant management measures. This publication and the methodology contained herein aim to provide a framework for the development and implementation of an efficient, standardized data collection and monitoring system for all vulnerable species encountered in the Mediterranean and the Black Sea, namely elasmobranchs, marine mammals, seabirds, sea turtles, and macrobenthic invertebrates. -
MeetingA review of the catch of tropical tunas from longline and purse seine vessels licensed in Mauritius 2015
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