西非以小型中上层鱼类为目标的手工渔民的移徙:当前趋势和发展

E. Dème, Yayo Amalatchy, Raul Thomas Jumpe, A. Fall, Waly Bocoum, M. Dème, P. Failler, Mohamed Amin Soumah, M. Sidibeh, Idrissa Diédhiou, S. Ahouansou Montcho, A. March, G. Touron-Gardic
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引用次数: 1

摘要

本研究旨在呈现西非以小型中上层鱼类为目标的洄游捕鱼从捕鱼到消费阶段的演变和新趋势。这项工作包括描述以西非小型远洋鱼类为目标的移徙渔民的特征(原产国、渔具和目标鱼种)、获取资源的方式、估计其渔获量以及最后评估对东道国的影响。这项工作有助于分析2008-2018年期间所涉行为者、渔获量和价值以及移民部门产品的增值和营销形式的变化。总体而言,移徙渔民捕获的远洋鱼类数量正在增加。在过去十年中,移民渔业的小型远洋鱼类产量几乎翻了一番,从2008年至2012年期间估计的18万吨增加到目前估计的近324,500吨。其中50%以上以新鲜或冷冻形式在市场上销售。超过75,000吨(22%)和94,000吨(28%)分别用于手工和工业加工。因此,移徙渔业对工业加工的贡献大于对手工加工的贡献。事实上,在过去十年中,移徙渔业对西非鱼粉工厂的出现作出了贡献。然而,尽管移徙渔业在捕获量和价值方面发生了重大变化,但它们仍然在立法框架之外运作,也没有在国家统计中明确说明。此外,鉴于目前围绕西非小型远洋鱼类开发的紧张局势和问题,冲突日益重要。这项工作建议为分区域渔业委员会(SRFC)和几内亚中西部湾渔业委员会(WCGC)国家的移徙渔民制定一项共同管理计划。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Migration of artisanal fishers targeting small pelagics in West Africa: current trends and development
This study sought to present the evolutions and new trends of migrant fishing targeting small pelagics in West Africa from fishing to consumption stage. The work involved the characterization of migrant fishers targeting small pelagics in West Africa (country of origin, fishing gear and target species), modalities of access to resources, estimation of their catches and finally the assessment of the impact in the host countries. This work was useful to analyse changes in terms of the actors involved, the volumes and values of catches, and forms of valorisation and marketing of products from the migrant sectors over the period 2008-2018. Overall, the quantities of pelagic fish caught by migrant fishermen were increasing. The production of small pelagic by migrant fisheries has almost doubled over a decade, from an estimated of 180,000 t over the period 2008-2012, to a current estimated production of almost 324,500 t. More than 50% of this production was sold on the market in fresh or frozen form. More than 75,000 t (22%) and 94,000 t (28%) were destined for artisanal and industrial processing, respectively. Migrant fisheries thus supply more to industrial processing than to artisanal processing. Indeed, migrant fisheries have contributed over the last ten years to the emergence of fishmeal factories in West Africa. However, despite their significant evolution in terms of catch volumes and values, migrant fisheries still operate outside of legislative frameworks and without being explicitly accounted for in national statistics. Moreover, conflicts are increasingly important given the current tensions and issues surrounding the exploitation of small pelagic fish in West Africa. This work recommends the development of a common management plan for migrant fishers in the countries of the Sub-Regional Fisheries Commission (SRFC) and the West Central Gulf of Guinea Fisheries Committees (WCGC).
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