Bycatch trend and its fate of the Spanish-owned tuna purse seiners fleet from the Atlantic and Indian oceans: Impacts of the implementation of good practices

IF 3.5 2区社会学 Q2 ENVIRONMENTAL STUDIES

Marine Policy Pub Date : 2025-03-28 DOI:10.1016/j.marpol.2025.106694

Sergio Acevedo-Iglesias , Miguel Herrera , María Lourdes Ramos , José Carlos Báez , Jon Ruiz , Gonzalo Rodríguez-Rodríguez , Vanessa Rojo , Pedro J. Pascual-Alayón , Francisco J. Abascal

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引用次数: 0

Abstract

This study examines the fate of species caught as bycatch in the tropical tuna purse seine fishery across the Atlantic and Indian Oceans from 2003 to 2022, focusing on the impact of the industry-implemented Code of Good Practices (CGP) and bycatch mitigation measures from Tuna Regional Fisheries Management Organisations (t-RFMOs). Data were sourced from scientific observers under both Spain’s National Data Collection Framework (DCF, Regulation (EU) No 2017/1004) and the OPAGAC-AGAC observer program, which covers other flags as well. Following the adoption of CGP and t-RFMO regulations, statistical tests reveal significant improvements in the live-release rates of sharks and rays after 2014 in both oceans, but no significant differences in live-release rates for marine turtles, which were already high. Despite these positive trends, interactions with certain species, such as billfish, experiences an increase in discard rates during the last years of the study period. The study identifies coastal regions near Gabon and Angola in the Atlantic, and northern Indian Ocean fishing areas as potential hotspots for some sensitive species, which may be confirmed as information from other fisheries come to light.

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来源期刊

Marine Policy Multiple-

CiteScore

7.60

自引率

13.20%

发文量

428

期刊介绍： Marine Policy is the leading journal of ocean policy studies. It offers researchers, analysts and policy makers a unique combination of analyses in the principal social science disciplines relevant to the formulation of marine policy. Major articles are contributed by specialists in marine affairs, including marine economists and marine resource managers, political scientists, marine scientists, international lawyers, geographers and anthropologists. Drawing on their expertise and research, the journal covers: international, regional and national marine policies; institutional arrangements for the management and regulation of marine activities, including fisheries and shipping; conflict resolution; marine pollution and environment; conservation and use of marine resources. Regular features of Marine Policy include research reports, conference reports and reports on current developments to keep readers up-to-date with the latest developments and research in ocean affairs.