ISSF convenes a diverse group of stakeholders — NGOs, vessel owners, retailers, tuna processors and more — to make sustainability recommendations to tuna Regional Fisheries Management Organizations (RFMOs).

Here are recent advocacy letters that have resulted from that collaborative work.

Joint Advocacy Letters tagged with science

Image Title Date Author(s) Language RFMO(s) Tag(s) Category Company Report Type Activity Year
Image Title Date Author(s) Language RFMO(s) Tag(s) Category Company Report Type Activity Year
Addressing FAD Ecological Impacts: Research & Best Practices to Reduce Bycatch and Ocean Debris December 10, 2018 English N/A Best Practices, Bycatch Mitigation, Ecosystem, FADs, science Infographics N/A Final December 10, 2018
Biodegradable FAD Timeline: Reducing FAD Structure Impacts on the Marine Ecosystem February 1, 2022 English N/A Biodegradable FADs, Ecosystem, FADs, ISSF, science Infographics N/A Final February 1, 2022
BioFADs: New Trials and Large-Scale Deployment April 20, 2021 English N/A Biodegradable FADs, FADs, ISSF, Pole and Line, Purse Seine, science Infographics N/A Final April 20, 2021
ISSF #BycatchProject Overview January 11, 2015 English N/A Bycatch, Bycatch Mitigation, science Bycatch N/A N/A January 11, 2015
ISSF 2011-01: Stock Assessments 101. How Scientists Count Tuna January 1, 2011 Dr. Victor Restrepo English N/A science, Stock Status, Tuna Scientific Reports, Technical Reports N/A Technical Report January 1, 2011
ISSF 2012-03: Fuel Consumption and Greenhouse Gas Emissions from Global Tuna Fisheries. Preliminary Assessment March 12, 2012 Dr. Robert Tyedmers, Robert Parker English N/A science, Tuna Scientific Reports, Technical Reports N/A Technical Report March 12, 2012
ISSF 2016-07: Application of Electronic Monitoring Systems in Tuna Longline Fisheries. International Workshop April 14, 2016 ISSF English N/A Electronic Monitoring & Reporting, Longline, MCS, science Scientific Reports, Technical Reports N/A Workshop Report April 14, 2016
ISSF 2016-08: Advances in the Use of Entanglement-Reducing Drifting Fish Aggregating Devices in Tuna Purse Seiners April 28, 2016 Dr. Jefferson Murua, David Itano, Martin Hall, Dr. Laurent Dagorn, Dr. Gala Moreno, Dr. Victor Restrepo English N/A Bycatch, Bycatch Mitigation, FADs, Purse Seine, science Scientific Reports, Technical Reports N/A Technical Report April 28, 2016
ISSF 2016-10: A Maximum Likelihood Approach for Calculating Fish Hold Volume for Tuna Purse Seine Vessels June 22, 2016 Dr. Victor Restrepo, Ana Justel-Rubio English N/A Capacity Management, Purse Seine, science, Tuna Scientific Reports, Technical Reports N/A Technical Report June 22, 2016
ISSF 2016-18A: Workshop on the Use of Biodegradable Fish Aggregating Devices (FADs) December 18, 2016 Dr. Gala Moreno, Dr. Victor Restrepo, Dr. Laurent Dagorn, Martin Hall, Dr. Jefferson Murua, Igor Sancristobal, Maitane Grande, Sarah Le Couls, Dr. Josu Santiago English N/A Biodegradable FADs, Bycatch Mitigation, FADs, science, Skippers Workshops Scientific Reports, Technical Reports N/A Workshop Report December 18, 2016
ISSF 2016-18B: Taller sobre el Uso de Dispositivos Concentradores de Peces Biodegradables (DCPs) December 19, 2016 Dr. Gala Moreno, Dr. Victor Restrepo, Dr. Laurent Dagorn, Martin Hall, Dr. Jefferson Murua, Igor Sancristobal, Maitane Grande, Sarah Le Couls, Dr. Josu Santiago Spanish N/A Biodegradable FADs, Bycatch Mitigation, FADs, science, Skippers Workshops Scientific Reports, Technical Reports, Translated N/A Workshop Report December 19, 2016
ISSF 2016-18C: Atelier sur l’utilisation de Dispositifs de concentration des poissons (DCP) biodégradables January 16, 2017 Dr. Gala Moreno, Dr. Victor Restrepo, Dr. Laurent Dagorn, Martin Hall, Dr. Jefferson Murua, Igor Sancristobal, Maitane Grande, Sarah Le Couls, Dr. Josu Santiago French N/A Biodegradable FADs, Bycatch Mitigation, FADs, science, Skippers Workshops Scientific Reports, Technical Reports, Translated N/A Workshop Report January 16, 2017
ISSF 2017-01: Computing a Global Rate of Non-Target Species Catch (Bycatch) in Tropical Tuna Purse Seine Fisheries* February 7, 2017 Ana Justel-Rubio, Dr. Victor Restrepo English N/A Bycatch, Purse Seine, science, Tuna Bycatch, Scientific Reports, Technical Reports N/A Technical Report February 7, 2017
ISSF 2017-06: A Summary of Bycatch Issues and ISSF Mitigation Activities To Date in Purse-Seine Fisheries, with Emphasis on FADs* November 27, 2017 Dr. Victor Restrepo, Dr. Laurent Dagorn, David Itano, Ana Justel-Rubio, Dr. Gala Moreno English N/A Bycatch, Bycatch Mitigation, FADs, Justel-Rubio, Purse Seine, science Scientific Reports, Technical Reports N/A Technical Report November 27, 2017
ISSF 2017-08: Management of Tuna Stocks and Fisheries. Nov. 2017* November 22, 2017 ISSF English N/A RFMOs, science, Stock Status, Tuna Scientific Reports, Technical Reports N/A Technical Report November 22, 2017
ISSF 2018-20: Compendium of at-Sea Bycatch Mitigation Research Activities as of September 2018* October 2, 2018 Dr. Victor Restrepo, Dr. Laurent Dagorn, Dr. Gala Moreno, K. Schaefer, Fabien Forget, Igor Sancristobal, David Itano, Dr. Melanie Hutchinson English N/A Acoustic Discrimination, Bigeye Tuna, Biodegradable FADs, Bycatch, Bycatch Mitigation, Purse Seine, Rays, science, Sea Turtles, Sharks Scientific Reports, Technical Reports N/A Technical Report October 2, 2018
ISSF 2019-08: Report of the International Workshop on Mitigating Environmental Impacts of Tropical Tuna Purse Seine Fisheries April 24, 2019 Dr. Victor Restrepo, Dr. Laurent Dagorn, Dr. Gala Moreno, Dr. Jefferson Murua, Fabien Forget, Ana Justel-Rubio English N/A Bigeye Tuna, Bycatch, Bycatch Mitigation, Ecosystem, FADs, Purse Seine, Rays, science, Sharks, Tuna, Yellowfin Tuna Meeting Reports, Scientific Reports N/A Workshop Report April 24, 2019
ISSF 2022-03: An Evaluation of the Sustainability of Global Tuna Stocks Relative to Marine Stewardship Council Criteria* January 28, 2022 Paul A.H. Medley, Jo Gascoigne, Giuseppe Scarcella English N/A Albacore Tuna, Bigeye Tuna, Harvest Strategies, IATTC, ICCAT, IOTC, MSC Certification, RFMOs, science, Skipjack, Stock Status, Tuna, WCPFC, Yellowfin Tuna Scientific Reports, Technical Reports N/A Technical Report January 28, 2022
ISSF 2022-04: Status of the World Fisheries for Tuna. March 2022* March 8, 2022 ISSF English CCSBT, IATTC, ICCAT, IOTC, WCPFC Albacore Tuna, Bigeye Tuna, Bluefin Tuna Species, CCSBT, Harvest Strategies, IATTC, ICCAT, IOTC, RFMOs, science, Skipjack, Sticky, Stock Assessment, Stock Status, Tuna, WCPFC, Yellowfin Tuna Scientific Reports, Technical Reports N/A Technical Report March 8, 2022
ISSF Scientific Research with Tuna Fleets, 2011-Present April 20, 2021 English N/A Acoustic Discrimination, Biodegradable FADs, Bycatch Mitigation, Electronic Monitoring & Reporting, FADs, ISSF, science, Sharks, Tuna Infographics N/A Final April 20, 2021
ISSF’s Scientist Advisors Reflect on a Decade of Discovery April 13, 2020 ISSF English N/A ISSF, science Annual Reports N/A Final April 13, 2020
Non-Entangling and Biodegradable FADs Guide (English) October 8, 2019 ISSF English N/A Best Practices, Biodegradable FADs, Bycatch, Bycatch Mitigation, Ecosystem, FADs, Ghost Fishing, Non-Entangling FADs, RFMOs, science, Sea Turtles, Sharks, Skippers Workshops Bycatch, Guides & Best Practices, Non-Entangling FADs N/A Guide October 8, 2019
Non-Entangling and Biodegradable FADs Guide (French) October 8, 2019 ISSF French N/A Best Practices, Biodegradable FADs, Bycatch, Bycatch Mitigation, Ecosystem, FADs, Ghost Fishing, Non-Entangling FADs, RFMOs, science, Sea Turtles, Sharks, Skippers Workshops Bycatch, Guides & Best Practices, Non-Entangling FADs, Translated N/A Guide October 8, 2019
Non-Entangling and Biodegradable FADs Guide (Indonesian) October 8, 2019 ISSF Indonesian N/A Best Practices, Biodegradable FADs, Bycatch, Bycatch Mitigation, Ecosystem, FADs, Ghost Fishing, Non-Entangling FADs, RFMOs, science, Sea Turtles, Sharks, Skippers Workshops Bycatch, Guides & Best Practices, Non-Entangling FADs, Translated N/A Guide October 8, 2019
Non-Entangling and Biodegradable FADs Guide (Japanese) October 8, 2019 ISSF Japanese N/A Best Practices, Biodegradable FADs, Bycatch, Bycatch Mitigation, Ecosystem, FADs, Ghost Fishing, Non-Entangling FADs, RFMOs, science, Sea Turtles, Sharks, Skippers Workshops Bycatch, Guides & Best Practices, Non-Entangling FADs, Translated N/A Guide October 8, 2019
Non-Entangling and Biodegradable FADs Guide (Korean) October 8, 2019 ISSF Korean N/A Best Practices, Biodegradable FADs, Bycatch, Bycatch Mitigation, Ecosystem, FADs, Ghost Fishing, Non-Entangling FADs, RFMOs, science, Sea Turtles, Sharks, Skippers Workshops Bycatch, Guides & Best Practices, Non-Entangling FADs, Translated N/A Guide October 8, 2019
Non-Entangling and Biodegradable FADs Guide (Simplified Chinese) October 8, 2019 ISSF Simplified Chinese N/A Best Practices, Biodegradable FADs, Bycatch, Bycatch Mitigation, Ecosystem, FADs, Ghost Fishing, Non-Entangling FADs, RFMOs, science, Sea Turtles, Sharks, Skippers Workshops Bycatch, Guides & Best Practices, Non-Entangling FADs, Translated N/A Guide October 8, 2019
Non-Entangling and Biodegradable FADs Guide (Spanish) October 10, 2019 ISSF Spanish N/A Best Practices, Biodegradable FADs, Bycatch, Bycatch Mitigation, Ecosystem, FADs, Ghost Fishing, Non-Entangling FADs, RFMOs, science, Sea Turtles, Sharks, Skippers Workshops Bycatch, Guides & Best Practices, Non-Entangling FADs, Translated N/A Guide October 10, 2019
Non-Entangling and Biodegradable FADs Guide (Tagalog) October 8, 2019 ISSF Tagalog N/A Best Practices, Biodegradable FADs, Bycatch, Bycatch Mitigation, Ecosystem, FADs, Ghost Fishing, Non-Entangling FADs, RFMOs, science, Sea Turtles, Sharks, Skippers Workshops Bycatch, Guides & Best Practices, Non-Entangling FADs, Translated N/A Guide October 8, 2019
Non-Entangling and Biodegradable FADs Guide (Traditional Chinese) October 8, 2019 ISSF Traditional Chinese N/A Best Practices, Biodegradable FADs, Bycatch, Bycatch Mitigation, Ecosystem, FADs, Ghost Fishing, Non-Entangling FADs, RFMOs, science, Sea Turtles, Sharks, Skippers Workshops Bycatch, Guides & Best Practices, Non-Entangling FADs, Translated N/A Guide October 8, 2019
Non-Entangling and Biodegradable FADs Guide (Vietnamese) October 8, 2019 ISSF Vietnamese N/A Best Practices, Biodegradable FADs, Bycatch, Bycatch Mitigation, Ecosystem, FADs, Ghost Fishing, Non-Entangling FADs, RFMOs, science, Sea Turtles, Sharks, Skippers Workshops Bycatch, Guides & Best Practices, Non-Entangling FADs, Translated N/A Guide October 8, 2019
Non-target Species Caught in Tuna Fisheries April 15, 2016 English N/A Bycatch, Bycatch Mitigation, Gillnet, Longline, Pole and Line, Purse Seine, science, Sea Turtles, Sharks, Trolling Infographics N/A N/A April 15, 2016
Presentations from International Workshop on Mitigating Environmental Impacts of Tropical Tuna Purse Seine Fisheries (2019) April 24, 2019 Dr. Gala Moreno, Dr. Jefferson Murua, Dr. Laurent Dagorn, Dr. Victor Restrepo, Ana Justel-Rubio English N/A Bigeye Tuna, Bycatch, Bycatch Mitigation, Ecosystem, FADs, Jefferson Murua, Justel-Rubio, science, Tuna, Yellowfin Tuna Meeting Reports, Scientific Reports N/A Workshop Report April 24, 2019
Reducing FAD Impacts on Ocean & Coastal Ecosystems November 13, 2018 English N/A Best Practices, Biodegradable FADs, FADs, Ghost Fishing, science Infographics N/A N/A November 13, 2018
Summary – An Evaluation Of The Sustainability Of Global Tuna Stocks Relative To Marine Stewardship Council Criteria August 13, 2015 English N/A MSC Certification, science, Stock Status N/A N/A August 13, 2015
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The ISSF Analysis of Tuna Fisheries Against Marine Stewardship Council (MSC) Performance Indicators (PIs) July 28, 2015 English N/A MSC Certification, science, Stock Status N/A N/A July 28, 2015