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GROWTH OVERFISHING
Growth overfishing. Growth overfishing occurs when fish are harvested at an average size that is smaller than the size that would produce the maximum yield per recruit.A recruit is an individual that makes it to maturity, or into the limits specified by a fishery, which are usually size or age.This makes the total yield less than it would be if the fish were allowed to grow to an appropriate size. 87.6% OF GLOBAL TUNA CATCH CONTINUES TO COME FROM STOCKSFISHING MORTALITY LEVELS: 74% OF THE 23 STOCKS ARE EXPERIENCING A WELL-MANAGED FISHING MORTALITY RATE, AND 22% ARE EXPERIENCING OVERFISHING.FISHING MORTALITY LEVELS: 74% OF THE 23 STOCKS ARE EXPERIENCING A WELL-MANAGED FISHING MORTALITY RATE, AND 22% ARE EXPERIENCING OVERFISHING.SEE MORENEW CONTENT WILL BE ADDED ABOVE THE CURRENT AREA OF FOCUS UPON SELECTIONSEE MORE ON ISS-FOUNDATION.ORGOPEN ACCESS FISHERY
Open access fishery Fishery in which there is no limit on the number of operators or vessels (c.f. Limited entry fishery). Such a fishery is liable to suffer the “tragedy of the commons.” Under open access, a fishery operates with a harvest and effort that PROTECTING RESOURCES IN THE WORLD’S LARGEST TUNA FISHING The Western and Central Pacific Fisheries Commission (WCPFC) is responsible for the effective long-term conservation and management of highly migratory fish stocks in the western and central Pacific Ocean (WCPO). With about 52 percent of the global production of tuna coming from the WCPO — catches of skipjack, yellowfin, and bigeye tuna in 2018 were 2,544,000 tonnes — it’s easy to SPAWNING POTENTIAL RATIO Spawning potential ratio . The amount of eggs produced by a fish stock over its lifespan under a specific fishing regime, relative to the spawn that would have been produced over the fish stock’s lifespan if there were no fishing. It is a measure of the impact that fishinghas on
MAJURO PLOT
Majuro plot A modification of the Kobe plot by WCPFC where the status of key tuna stocks is displayed in terms of biomass depletion relative to unfished spawning biomass (SSB/SSBF=0) instead of to SSBMSY, while fishing mortality remains relative to FMSY (F/FMSY). Key referencepoints
HOME - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATIONWHO WE AREWHAT WE DOABOUT TUNAKNOWLEDGE & TOOLSNEWSGOVERNANCE The long-term conservation and sustainable use of global tuna fisheries is our goal. It’s not easy. But through science-based practices, collaboration and advocacy, we believe it’s achievable. STATUS OF THE STOCKS ISSF’s Status of the World Fisheries for Tuna report, also known as the “Status of the Stocks” report, is published several times per year and is one of our most-read publications.. The report provides information on the status of tuna stocks as well as on bycatch and mitigation issues in tuna fisheries. It also reviews programs by Regional Fisheries Management Organizations (RFMOs) to RECRUITMENT OVERFISHING Recruitment overfishing. A situation in which the rate of fishing is (or has been) such that annual recruitment to the exploitable stock has become significantly reduced. The situation is characterized by a greatly reduced spawning stock, a decreasing proportion of older fish in the catch, and generally very low recruitment year after year.If prolonged, recruitment overfishing can lead to PROACTIVE VESSEL REGISTER (PVR) Audits. March 2020: Download the “Notice to the ISSF Participating Companies and Vessels listed on the ProActive Vessel Register: Audit Protocol Override due to COVID-19.”. All vessels applying to be on the PVR agree to undergo regular auditing. Level 1 audits are conducted by ISSF and assess the vessel attributes and other details that are required as part of the application.GROWTH OVERFISHING
Growth overfishing. Growth overfishing occurs when fish are harvested at an average size that is smaller than the size that would produce the maximum yield per recruit.A recruit is an individual that makes it to maturity, or into the limits specified by a fishery, which are usually size or age.This makes the total yield less than it would be if the fish were allowed to grow to an appropriate size. 87.6% OF GLOBAL TUNA CATCH CONTINUES TO COME FROM STOCKSFISHING MORTALITY LEVELS: 74% OF THE 23 STOCKS ARE EXPERIENCING A WELL-MANAGED FISHING MORTALITY RATE, AND 22% ARE EXPERIENCING OVERFISHING.FISHING MORTALITY LEVELS: 74% OF THE 23 STOCKS ARE EXPERIENCING A WELL-MANAGED FISHING MORTALITY RATE, AND 22% ARE EXPERIENCING OVERFISHING.SEE MORENEW CONTENT WILL BE ADDED ABOVE THE CURRENT AREA OF FOCUS UPON SELECTIONSEE MORE ON ISS-FOUNDATION.ORGOPEN ACCESS FISHERY
Open access fishery Fishery in which there is no limit on the number of operators or vessels (c.f. Limited entry fishery). Such a fishery is liable to suffer the “tragedy of the commons.” Under open access, a fishery operates with a harvest and effort that PROTECTING RESOURCES IN THE WORLD’S LARGEST TUNA FISHING The Western and Central Pacific Fisheries Commission (WCPFC) is responsible for the effective long-term conservation and management of highly migratory fish stocks in the western and central Pacific Ocean (WCPO). With about 52 percent of the global production of tuna coming from the WCPO — catches of skipjack, yellowfin, and bigeye tuna in 2018 were 2,544,000 tonnes — it’s easy to SPAWNING POTENTIAL RATIO Spawning potential ratio . The amount of eggs produced by a fish stock over its lifespan under a specific fishing regime, relative to the spawn that would have been produced over the fish stock’s lifespan if there were no fishing. It is a measure of the impact that fishinghas on
MAJURO PLOT
Majuro plot A modification of the Kobe plot by WCPFC where the status of key tuna stocks is displayed in terms of biomass depletion relative to unfished spawning biomass (SSB/SSBF=0) instead of to SSBMSY, while fishing mortality remains relative to FMSY (F/FMSY). Key referencepoints
HOME - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATION The long-term conservation and sustainable use of global tuna fisheries is our goal. It’s not easy. But through science-based practices, collaboration and advocacy, we believe it’s achievable. PROACTIVE VESSEL REGISTER (PVR) Audits. March 2020: Download the “Notice to the ISSF Participating Companies and Vessels listed on the ProActive Vessel Register: Audit Protocol Override due to COVID-19.”. All vessels applying to be on the PVR agree to undergo regular auditing. Level 1 audits are conducted by ISSF and assess the vessel attributes and other details that are required as part of the application.BYCATCH MITIGATION
3.7 Transactions with Vessels or Companies with Vessel-Based FAD Management Policies: ISSF is committed to supporting better FAD management, globally, and recognizes that it is an important component to meet the MSC Standard without conditions.: Gear Type: Purse Seine and Supply Vessels: Adopted: October 23, 2019 Effective: June 30, 2021, for large-scale purse seine and supply vessels and TUNA FIPS - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATION This table lists tuna fishery improvement projects (FIPs) that have profile pages on the FisheryProgress.org site.. Each tuna FIP name in the table is linked to its FisheryProgress.org description. The FIP types and stages are defined by Fishery Progress inTECHNICAL REPORTS
An asterisk at the end of a report title indicates that earlier versions of the report are available. If you would like to request an older report, write to us at info@iss-foundation.org. RECORD OF LARGE-SCALE PURSE SEINE VESSELS The Record of Large-Scale Purse Seine Vessels (LSPSR) is made publicly available as required by ISSF Conservation Measure 6.1 (Transaction Ban for Large-Scale Purse-Seine Vessels not Actively Fishing for Tuna as of December 31, 2012).. The LSPSR has been put together based on the Tuna RFMO Regional Vessel Registers, the IHS Register, with additional information supplied by NationalOPEN ACCESS FISHERY
Open access fishery Fishery in which there is no limit on the number of operators or vessels (c.f. Limited entry fishery). Such a fishery is liable to suffer the “tragedy of the commons.” Under open access, a fishery operates with a harvest and effort that 1.2 RFMO PARTICIPATION ISSF recognizes that effective monitoring, control and surveillance of fishing activities within each RFMO is necessary for appropriate management. In some regions, however, vessels flagged to nations that are neither members nor cooperating non-members of the relevant RFMO are fishing for tunas, and thus are falling outside the purview of the RFMO management system. 1.1 TUNA RFMO AUTHORIZED VESSEL RECORD Each tuna Regional Fisheries Management Organization (RFMO) develops vessel registration requirements and maintains a publicly available regional record of such tuna fishing vessels and carrier vessels authorized to fish or receive fish in the Convention Area of that RFMO. A vessel may be included on the record of authorized fishing vessels in multiple RFMOs simultaneously. IS CATCHING IMMATURE FISH TRULY UNSUSTAINABLE Victor Restrepo serves as Chair of the ISSF Scientific Advisory Committee. Christopher Zimmermann and Kristina Barz are with Thünen Institute of Baltic Sea Fisheries. There is a widespread perception that catching immature, smaller fish is a very bad thing. Several consumer and retailer guides assign a negative score to those fisheries that catch a non-trivial amount of these fish – five HOME - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATIONWHO WE AREWHAT WE DOABOUT TUNAKNOWLEDGE & TOOLSNEWSGOVERNANCE The long-term conservation and sustainable use of global tuna fisheries is our goal. It’s not easy. But through science-based practices, collaboration and advocacy, we believe it’s achievable. STATUS OF THE STOCKS ISSF’s Status of the World Fisheries for Tuna report, also known as the “Status of the Stocks” report, is published several times per year and is one of our most-read publications.. The report provides information on the status of tuna stocks as well as on bycatch and mitigation issues in tuna fisheries. It also reviews programs by Regional Fisheries Management Organizations (RFMOs) to RECRUITMENT OVERFISHING Recruitment overfishing. A situation in which the rate of fishing is (or has been) such that annual recruitment to the exploitable stock has become significantly reduced. The situation is characterized by a greatly reduced spawning stock, a decreasing proportion of older fish in the catch, and generally very low recruitment year after year.If prolonged, recruitment overfishing can lead to PROACTIVE VESSEL REGISTER (PVR) Audits. March 2020: Download the “Notice to the ISSF Participating Companies and Vessels listed on the ProActive Vessel Register: Audit Protocol Override due to COVID-19.”. All vessels applying to be on the PVR agree to undergo regular auditing. Level 1 audits are conducted by ISSF and assess the vessel attributes and other details that are required as part of the application.GROWTH OVERFISHING
Growth overfishing. Growth overfishing occurs when fish are harvested at an average size that is smaller than the size that would produce the maximum yield per recruit.A recruit is an individual that makes it to maturity, or into the limits specified by a fishery, which are usually size or age.This makes the total yield less than it would be if the fish were allowed to grow to an appropriate size. 87.6% OF GLOBAL TUNA CATCH CONTINUES TO COME FROM STOCKSFISHING MORTALITY LEVELS: 74% OF THE 23 STOCKS ARE EXPERIENCING A WELL-MANAGED FISHING MORTALITY RATE, AND 22% ARE EXPERIENCING OVERFISHING.FISHING MORTALITY LEVELS: 74% OF THE 23 STOCKS ARE EXPERIENCING A WELL-MANAGED FISHING MORTALITY RATE, AND 22% ARE EXPERIENCING OVERFISHING.SEE MORENEW CONTENT WILL BE ADDED ABOVE THE CURRENT AREA OF FOCUS UPON SELECTIONSEE MORE ON ISS-FOUNDATION.ORGOPEN ACCESS FISHERY
Open access fishery Fishery in which there is no limit on the number of operators or vessels (c.f. Limited entry fishery). Such a fishery is liable to suffer the “tragedy of the commons.” Under open access, a fishery operates with a harvest and effort that PROTECTING RESOURCES IN THE WORLD’S LARGEST TUNA FISHING The Western and Central Pacific Fisheries Commission (WCPFC) is responsible for the effective long-term conservation and management of highly migratory fish stocks in the western and central Pacific Ocean (WCPO). With about 52 percent of the global production of tuna coming from the WCPO — catches of skipjack, yellowfin, and bigeye tuna in 2018 were 2,544,000 tonnes — it’s easy to SPAWNING POTENTIAL RATIO Spawning potential ratio . The amount of eggs produced by a fish stock over its lifespan under a specific fishing regime, relative to the spawn that would have been produced over the fish stock’s lifespan if there were no fishing. It is a measure of the impact that fishinghas on
MAJURO PLOT
Majuro plot. A modification of the Kobe plot by WCPFC where the status of key tuna stocks is displayed in terms of biomass depletion relative to unfished spawning biomass (SSB/SSB F =0) instead of to SSBMSY, while fishing mortality remains relative to F MSY (F/F MSY ). Key reference points are the WCPFC-agreed biomass limit reference point of HOME - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATIONWHO WE AREWHAT WE DOABOUT TUNAKNOWLEDGE & TOOLSNEWSGOVERNANCE The long-term conservation and sustainable use of global tuna fisheries is our goal. It’s not easy. But through science-based practices, collaboration and advocacy, we believe it’s achievable. STATUS OF THE STOCKS ISSF’s Status of the World Fisheries for Tuna report, also known as the “Status of the Stocks” report, is published several times per year and is one of our most-read publications.. The report provides information on the status of tuna stocks as well as on bycatch and mitigation issues in tuna fisheries. It also reviews programs by Regional Fisheries Management Organizations (RFMOs) to RECRUITMENT OVERFISHING Recruitment overfishing. A situation in which the rate of fishing is (or has been) such that annual recruitment to the exploitable stock has become significantly reduced. The situation is characterized by a greatly reduced spawning stock, a decreasing proportion of older fish in the catch, and generally very low recruitment year after year.If prolonged, recruitment overfishing can lead to PROACTIVE VESSEL REGISTER (PVR) Audits. March 2020: Download the “Notice to the ISSF Participating Companies and Vessels listed on the ProActive Vessel Register: Audit Protocol Override due to COVID-19.”. All vessels applying to be on the PVR agree to undergo regular auditing. Level 1 audits are conducted by ISSF and assess the vessel attributes and other details that are required as part of the application.GROWTH OVERFISHING
Growth overfishing. Growth overfishing occurs when fish are harvested at an average size that is smaller than the size that would produce the maximum yield per recruit.A recruit is an individual that makes it to maturity, or into the limits specified by a fishery, which are usually size or age.This makes the total yield less than it would be if the fish were allowed to grow to an appropriate size. 87.6% OF GLOBAL TUNA CATCH CONTINUES TO COME FROM STOCKSFISHING MORTALITY LEVELS: 74% OF THE 23 STOCKS ARE EXPERIENCING A WELL-MANAGED FISHING MORTALITY RATE, AND 22% ARE EXPERIENCING OVERFISHING.FISHING MORTALITY LEVELS: 74% OF THE 23 STOCKS ARE EXPERIENCING A WELL-MANAGED FISHING MORTALITY RATE, AND 22% ARE EXPERIENCING OVERFISHING.SEE MORENEW CONTENT WILL BE ADDED ABOVE THE CURRENT AREA OF FOCUS UPON SELECTIONSEE MORE ON ISS-FOUNDATION.ORGOPEN ACCESS FISHERY
Open access fishery Fishery in which there is no limit on the number of operators or vessels (c.f. Limited entry fishery). Such a fishery is liable to suffer the “tragedy of the commons.” Under open access, a fishery operates with a harvest and effort that PROTECTING RESOURCES IN THE WORLD’S LARGEST TUNA FISHING The Western and Central Pacific Fisheries Commission (WCPFC) is responsible for the effective long-term conservation and management of highly migratory fish stocks in the western and central Pacific Ocean (WCPO). With about 52 percent of the global production of tuna coming from the WCPO — catches of skipjack, yellowfin, and bigeye tuna in 2018 were 2,544,000 tonnes — it’s easy to SPAWNING POTENTIAL RATIO Spawning potential ratio . The amount of eggs produced by a fish stock over its lifespan under a specific fishing regime, relative to the spawn that would have been produced over the fish stock’s lifespan if there were no fishing. It is a measure of the impact that fishinghas on
MAJURO PLOT
Majuro plot. A modification of the Kobe plot by WCPFC where the status of key tuna stocks is displayed in terms of biomass depletion relative to unfished spawning biomass (SSB/SSB F =0) instead of to SSBMSY, while fishing mortality remains relative to F MSY (F/F MSY ). Key reference points are the WCPFC-agreed biomass limit reference point of HOME - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATION The long-term conservation and sustainable use of global tuna fisheries is our goal. It’s not easy. But through science-based practices, collaboration and advocacy, we believe it’s achievable. PROACTIVE VESSEL REGISTER (PVR) Audits. March 2020: Download the “Notice to the ISSF Participating Companies and Vessels listed on the ProActive Vessel Register: Audit Protocol Override due to COVID-19.”. All vessels applying to be on the PVR agree to undergo regular auditing. Level 1 audits are conducted by ISSF and assess the vessel attributes and other details that are required as part of the application.BYCATCH MITIGATION
3.7 Transactions with Vessels or Companies with Vessel-Based FAD Management Policies: ISSF is committed to supporting better FAD management, globally, and recognizes that it is an important component to meet the MSC Standard without conditions.: Gear Type: Purse Seine and Supply Vessels: Adopted: October 23, 2019 Effective: June 30, 2021, for large-scale purse seine and supply vessels and FADS - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATION The issue of bycatch and overfishing associated with FADs has been mostly rooted in the unknown – gaps in data, animal entanglement below the surface and the absence of clear regional management guidelines. Uncovering the reality behind these questions is a priority for our organization and our partners, and fishers and fisheries managers are getting much better at it. TUNA FIPS - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATION This table lists tuna fishery improvement projects (FIPs) that have profile pages on the FisheryProgress.org site.. Each tuna FIP name in the table is linked to its FisheryProgress.org description. The FIP types and stages are defined by Fishery Progress inOPEN ACCESS FISHERY
Open access fishery Fishery in which there is no limit on the number of operators or vessels (c.f. Limited entry fishery). Such a fishery is liable to suffer the “tragedy of the commons.” Under open access, a fishery operates with a harvest and effort that RECORD OF LARGE-SCALE PURSE SEINE VESSELS The Record of Large-Scale Purse Seine Vessels (LSPSR) is made publicly available as required by ISSF Conservation Measure 6.1 (Transaction Ban for Large-Scale Purse-Seine Vessels not Actively Fishing for Tuna as of December 31, 2012).. The LSPSR has been put together based on the Tuna RFMO Regional Vessel Registers, the IHS Register, with additional information supplied by National 1.2 RFMO PARTICIPATION ISSF recognizes that effective monitoring, control and surveillance of fishing activities within each RFMO is necessary for appropriate management. In some regions, however, vessels flagged to nations that are neither members nor cooperating non-members of the relevant RFMO are fishing for tunas, and thus are falling outside the purview of the RFMO management system. 1.1 TUNA RFMO AUTHORIZED VESSEL RECORD Each tuna Regional Fisheries Management Organization (RFMO) develops vessel registration requirements and maintains a publicly available regional record of such tuna fishing vessels and carrier vessels authorized to fish or receive fish in the Convention Area of that RFMO. A vessel may be included on the record of authorized fishing vessels in multiple RFMOs simultaneously. IS CATCHING IMMATURE FISH TRULY UNSUSTAINABLE Victor Restrepo serves as Chair of the ISSF Scientific Advisory Committee. Christopher Zimmermann and Kristina Barz are with Thünen Institute of Baltic Sea Fisheries. There is a widespread perception that catching immature, smaller fish is a very bad thing. Several consumer and retailer guides assign a negative score to those fisheries that catch a non-trivial amount of these fish – five HOME - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATIONWHO WE AREWHAT WE DOABOUT TUNAKNOWLEDGE & TOOLSNEWSGOVERNANCE The long-term conservation and sustainable use of global tuna fisheries is our goal. It’s not easy. But through science-based practices, collaboration and advocacy, we believe it’s achievable. STATUS OF THE STOCKS ISSF’s Status of the World Fisheries for Tuna report, also known as the “Status of the Stocks” report, is published several times per year and is one of our most-read publications.. The report provides information on the status of tuna stocks as well as on bycatch and mitigation issues in tuna fisheries. It also reviews programs by Regional Fisheries Management Organizations (RFMOs) to RECRUITMENT OVERFISHING Recruitment overfishing. A situation in which the rate of fishing is (or has been) such that annual recruitment to the exploitable stock has become significantly reduced. The situation is characterized by a greatly reduced spawning stock, a decreasing proportion of older fish in the catch, and generally very low recruitment year after year.If prolonged, recruitment overfishing can lead to FADS - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATION The issue of bycatch and overfishing associated with FADs has been mostly rooted in the unknown – gaps in data, animal entanglement below the surface and the absence of clear regional management guidelines. Uncovering the reality behind these questions is a priority for our organization and our partners, and fishers and fisheries managers are getting much better at it. TUNA FIPS - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATION This table lists tuna fishery improvement projects (FIPs) that have profile pages on the FisheryProgress.org site.. Each tuna FIP name in the table is linked to its FisheryProgress.org description. The FIP types and stages are defined by Fishery Progress inTRANSPARENCY
Auditing Sustainable Performance. Now, ISSF has launched a new tool for transparency in the fishing supply chain. It’s called Vessels in Other Sustainability Initiatives (VOSI), and it’s the first of its kind—a searchable online list of vessels that operate in Marine Stewardship Council (MSC)-certified tuna fisheries, or participate in tuna Fishery Improvement Projects (FIPs), worldwide. TRACEABILITY & DATA COLLECTION 2.4 Supply Chain Transparency, Audit, Reporting and Purchase Requirements Processors, traders, importers, transporters, marketers and others involved in the seafood PROTECTING RESOURCES IN THE WORLD’S LARGEST TUNA FISHING The Western and Central Pacific Fisheries Commission (WCPFC) is responsible for the effective long-term conservation and management of highly migratory fish stocks in the western and central Pacific Ocean (WCPO). With about 52 percent of the global production of tuna coming from the WCPO — catches of skipjack, yellowfin, and bigeye tuna in 2018 were 2,544,000 tonnes — it’s easy to SPAWNING POTENTIAL RATIO Spawning potential ratio . The amount of eggs produced by a fish stock over its lifespan under a specific fishing regime, relative to the spawn that would have been produced over the fish stock’s lifespan if there were no fishing. It is a measure of the impact that fishinghas on
IS CATCHING IMMATURE FISH TRULY UNSUSTAINABLE Victor Restrepo serves as Chair of the ISSF Scientific Advisory Committee. Christopher Zimmermann and Kristina Barz are with Thünen Institute of Baltic Sea Fisheries. There is a widespread perception that catching immature, smaller fish is a very bad thing. Several consumer and retailer guides assign a HOME - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATIONWHO WE AREWHAT WE DOABOUT TUNAKNOWLEDGE & TOOLSNEWSGOVERNANCE The long-term conservation and sustainable use of global tuna fisheries is our goal. It’s not easy. But through science-based practices, collaboration and advocacy, we believe it’s achievable. STATUS OF THE STOCKS ISSF’s Status of the World Fisheries for Tuna report, also known as the “Status of the Stocks” report, is published several times per year and is one of our most-read publications.. The report provides information on the status of tuna stocks as well as on bycatch and mitigation issues in tuna fisheries. It also reviews programs by Regional Fisheries Management Organizations (RFMOs) to RECRUITMENT OVERFISHING Recruitment overfishing. A situation in which the rate of fishing is (or has been) such that annual recruitment to the exploitable stock has become significantly reduced. The situation is characterized by a greatly reduced spawning stock, a decreasing proportion of older fish in the catch, and generally very low recruitment year after year.If prolonged, recruitment overfishing can lead to FADS - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATION The issue of bycatch and overfishing associated with FADs has been mostly rooted in the unknown – gaps in data, animal entanglement below the surface and the absence of clear regional management guidelines. Uncovering the reality behind these questions is a priority for our organization and our partners, and fishers and fisheries managers are getting much better at it. TUNA FIPS - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATION This table lists tuna fishery improvement projects (FIPs) that have profile pages on the FisheryProgress.org site.. Each tuna FIP name in the table is linked to its FisheryProgress.org description. The FIP types and stages are defined by Fishery Progress inTRANSPARENCY
Auditing Sustainable Performance. Now, ISSF has launched a new tool for transparency in the fishing supply chain. It’s called Vessels in Other Sustainability Initiatives (VOSI), and it’s the first of its kind—a searchable online list of vessels that operate in Marine Stewardship Council (MSC)-certified tuna fisheries, or participate in tuna Fishery Improvement Projects (FIPs), worldwide. TRACEABILITY & DATA COLLECTION 2.4 Supply Chain Transparency, Audit, Reporting and Purchase Requirements Processors, traders, importers, transporters, marketers and others involved in the seafood PROTECTING RESOURCES IN THE WORLD’S LARGEST TUNA FISHING The Western and Central Pacific Fisheries Commission (WCPFC) is responsible for the effective long-term conservation and management of highly migratory fish stocks in the western and central Pacific Ocean (WCPO). With about 52 percent of the global production of tuna coming from the WCPO — catches of skipjack, yellowfin, and bigeye tuna in 2018 were 2,544,000 tonnes — it’s easy to SPAWNING POTENTIAL RATIO Spawning potential ratio . The amount of eggs produced by a fish stock over its lifespan under a specific fishing regime, relative to the spawn that would have been produced over the fish stock’s lifespan if there were no fishing. It is a measure of the impact that fishinghas on
IS CATCHING IMMATURE FISH TRULY UNSUSTAINABLE Victor Restrepo serves as Chair of the ISSF Scientific Advisory Committee. Christopher Zimmermann and Kristina Barz are with Thünen Institute of Baltic Sea Fisheries. There is a widespread perception that catching immature, smaller fish is a very bad thing. Several consumer and retailer guides assign a PARTICIPATING COMPANIES We believe it’s important to work with all stakeholders, and tuna processors, traders, and/or marketers that are integral to improving the sustainability of the world’s tuna resources. Companies that participate in ISSF are members of the International Seafood Sustainability Association (ISSA).Membership in ISSA is voluntary and is contingent upon compliance with ISSF conservation measures STATUS OF THE STOCKS ISSF’s Status of the World Fisheries for Tuna report, also known as the “Status of the Stocks” report, is published several times per year and is one of our most-read publications.. The report provides information on the status of tuna stocks as well as on bycatch and mitigation issues in tuna fisheries. It also reviews programs by Regional Fisheries Management Organizations (RFMOs) to FIP RESOURCES FINDER This tool matches ISSF resources to Marine Stewardship Council (MSC) Performance Indicators (PIs), and it’s designed for fishery improvement projects (FIPs) that need to make progress on specific PIs — including to close conditions for MSC fishery certification. Some resources also are suitable for tuna fisheries seeking PROTECTING RESOURCES IN THE WORLD’S LARGEST TUNA FISHING The Western and Central Pacific Fisheries Commission (WCPFC) is responsible for the effective long-term conservation and management of highly migratory fish stocks in the western and central Pacific Ocean (WCPO). With about 52 percent of the global production of tuna coming from the WCPO — catches of skipjack, yellowfin, and bigeye tuna in 2018 were 2,544,000 tonnes — it’s easy toGROWTH OVERFISHING
Growth overfishing. Growth overfishing occurs when fish are harvested at an average size that is smaller than the size that would produce the maximum yield per recruit.A recruit is an individual that makes it to maturity, or into the limits specified by a fishery, which are usually size or age.This makes the total yield less than it would be if the fish were allowed to grow to an appropriate size.PURSE SEINE
Purse seine fishing is a consistent and efficient method, enabling fishers to catch and freeze large quantities of tuna.. Purse-seine vessels fish either by spotting free-swimming schools of tuna or by utilizing floating objects that attract fish, either with natural or manmade objects such as fish aggregating devices (FADs).. KEY STATISTICS. About 66% – Percentage of tuna caught globallyFISHING METHODS
In pole-and-line fishing, tuna are caught one-by-one using a hook attached to a line and pole. Pole-and-line fisheries operate around the world, and can be technologically advanced commercial operations or more artisanal in nature.. The major pole-and-line producers are Japan (100,000 tons annually), Indonesia (90,000 tons) and the Maldives (76,000 tons). ADVANCING SUSTAINABLE TUNA FISHERIES The International Seafood Sustainability Foundation (ISSF) released its Strategic Plan for 2018-2022, Advancing Sustainable Tuna Fisheries: A Five-Year Plan, which lays out the research and advocacy organization’s mission and approach to meeting sustainability objectives over the next five years. The new strategic plan is activated through three core pillars of science, influence, andMAJURO PLOT
Majuro plot. A modification of the Kobe plot by WCPFC where the status of key tuna stocks is displayed in terms of biomass depletion relative to unfished spawning biomass (SSB/SSB F =0) instead of to SSBMSY, while fishing mortality remains relative to F MSY (F/F MSY ). Key reference points are the WCPFC-agreed biomass limit reference point of SPAWNING POTENTIAL RATIO Spawning potential ratio . The amount of eggs produced by a fish stock over its lifespan under a specific fishing regime, relative to the spawn that would have been produced over the fish stock’s lifespan if there were no fishing. It is a measure of the impact that fishinghas on
HOME - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATIONWHO WE AREWHAT WE DOABOUT TUNAKNOWLEDGE & TOOLSNEWSGOVERNANCE The long-term conservation and sustainable use of global tuna fisheries is our goal. It’s not easy. But through science-based practices, collaboration and advocacy, we believe it’s achievable. RECRUITMENT OVERFISHING Recruitment overfishing. A situation in which the rate of fishing is (or has been) such that annual recruitment to the exploitable stock has become significantly reduced. The situation is characterized by a greatly reduced spawning stock, a decreasing proportion of older fish in the catch, and generally very low recruitment year after year.If prolonged, recruitment overfishing can lead to STATUS OF THE STOCKS ISSF’s Status of the World Fisheries for Tuna report, also known as the “Status of the Stocks” report, is published several times per year and is one of our most-read publications.. The report provides information on the status of tuna stocks as well as on bycatch and mitigation issues in tuna fisheries. It also reviews programs by Regional Fisheries Management Organizations (RFMOs) to PROACTIVE VESSEL REGISTER (PVR) Audits. March 2020: Download the “Notice to the ISSF Participating Companies and Vessels listed on the ProActive Vessel Register: Audit Protocol Override due to COVID-19.”. All vessels applying to be on the PVR agree to undergo regular auditing. Level 1 audits are conducted by ISSF and assess the vessel attributes and other details that are required as part of the application.GROWTH OVERFISHING
Growth overfishing. Growth overfishing occurs when fish are harvested at an average size that is smaller than the size that would produce the maximum yield per recruit.A recruit is an individual that makes it to maturity, or into the limits specified by a fishery, which are usually size or age.This makes the total yield less than it would be if the fish were allowed to grow to an appropriate size. 87.6% OF GLOBAL TUNA CATCH CONTINUES TO COME FROM STOCKSFISHING MORTALITY LEVELS: 74% OF THE 23 STOCKS ARE EXPERIENCING A WELL-MANAGED FISHING MORTALITY RATE, AND 22% ARE EXPERIENCING OVERFISHING.FISHING MORTALITY LEVELS: 74% OF THE 23 STOCKS ARE EXPERIENCING A WELL-MANAGED FISHING MORTALITY RATE, AND 22% ARE EXPERIENCING OVERFISHING.SEE MORENEW CONTENT WILL BE ADDED ABOVE THE CURRENT AREA OF FOCUS UPON SELECTIONSEE MORE ON ISS-FOUNDATION.ORGMAJURO PLOT
Majuro plot. A modification of the Kobe plot by WCPFC where the status of key tuna stocks is displayed in terms of biomass depletion relative to unfished spawning biomass (SSB/SSB F =0) instead of to SSBMSY, while fishing mortality remains relative to F MSY (F/F MSY ). Key reference points are the WCPFC-agreed biomass limit reference point ofOPEN ACCESS FISHERY
Open access fishery Fishery in which there is no limit on the number of operators or vessels (c.f. Limited entry fishery). Such a fishery is liable to suffer the “tragedy of the commons.” Under open access, a fishery operates with a harvest and effort that PROTECTING RESOURCES IN THE WORLD’S LARGEST TUNA FISHING The Western and Central Pacific Fisheries Commission (WCPFC) is responsible for the effective long-term conservation and management of highly migratory fish stocks in the western and central Pacific Ocean (WCPO). With about 52 percent of the global production of tuna coming from the WCPO — catches of skipjack, yellowfin, and bigeye tuna in 2018 were 2,544,000 tonnes — it’s easy to SPAWNING POTENTIAL RATIO Spawning potential ratio . The amount of eggs produced by a fish stock over its lifespan under a specific fishing regime, relative to the spawn that would have been produced over the fish stock’s lifespan if there were no fishing. It is a measure of the impact that fishinghas on
HOME - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATIONWHO WE AREWHAT WE DOABOUT TUNAKNOWLEDGE & TOOLSNEWSGOVERNANCE The long-term conservation and sustainable use of global tuna fisheries is our goal. It’s not easy. But through science-based practices, collaboration and advocacy, we believe it’s achievable. RECRUITMENT OVERFISHING Recruitment overfishing. A situation in which the rate of fishing is (or has been) such that annual recruitment to the exploitable stock has become significantly reduced. The situation is characterized by a greatly reduced spawning stock, a decreasing proportion of older fish in the catch, and generally very low recruitment year after year.If prolonged, recruitment overfishing can lead to STATUS OF THE STOCKS ISSF’s Status of the World Fisheries for Tuna report, also known as the “Status of the Stocks” report, is published several times per year and is one of our most-read publications.. The report provides information on the status of tuna stocks as well as on bycatch and mitigation issues in tuna fisheries. It also reviews programs by Regional Fisheries Management Organizations (RFMOs) to PROACTIVE VESSEL REGISTER (PVR) Audits. March 2020: Download the “Notice to the ISSF Participating Companies and Vessels listed on the ProActive Vessel Register: Audit Protocol Override due to COVID-19.”. All vessels applying to be on the PVR agree to undergo regular auditing. Level 1 audits are conducted by ISSF and assess the vessel attributes and other details that are required as part of the application.GROWTH OVERFISHING
Growth overfishing. Growth overfishing occurs when fish are harvested at an average size that is smaller than the size that would produce the maximum yield per recruit.A recruit is an individual that makes it to maturity, or into the limits specified by a fishery, which are usually size or age.This makes the total yield less than it would be if the fish were allowed to grow to an appropriate size. 87.6% OF GLOBAL TUNA CATCH CONTINUES TO COME FROM STOCKSFISHING MORTALITY LEVELS: 74% OF THE 23 STOCKS ARE EXPERIENCING A WELL-MANAGED FISHING MORTALITY RATE, AND 22% ARE EXPERIENCING OVERFISHING.FISHING MORTALITY LEVELS: 74% OF THE 23 STOCKS ARE EXPERIENCING A WELL-MANAGED FISHING MORTALITY RATE, AND 22% ARE EXPERIENCING OVERFISHING.SEE MORENEW CONTENT WILL BE ADDED ABOVE THE CURRENT AREA OF FOCUS UPON SELECTIONSEE MORE ON ISS-FOUNDATION.ORGMAJURO PLOT
Majuro plot. A modification of the Kobe plot by WCPFC where the status of key tuna stocks is displayed in terms of biomass depletion relative to unfished spawning biomass (SSB/SSB F =0) instead of to SSBMSY, while fishing mortality remains relative to F MSY (F/F MSY ). Key reference points are the WCPFC-agreed biomass limit reference point ofOPEN ACCESS FISHERY
Open access fishery Fishery in which there is no limit on the number of operators or vessels (c.f. Limited entry fishery). Such a fishery is liable to suffer the “tragedy of the commons.” Under open access, a fishery operates with a harvest and effort that PROTECTING RESOURCES IN THE WORLD’S LARGEST TUNA FISHING The Western and Central Pacific Fisheries Commission (WCPFC) is responsible for the effective long-term conservation and management of highly migratory fish stocks in the western and central Pacific Ocean (WCPO). With about 52 percent of the global production of tuna coming from the WCPO — catches of skipjack, yellowfin, and bigeye tuna in 2018 were 2,544,000 tonnes — it’s easy to SPAWNING POTENTIAL RATIO Spawning potential ratio . The amount of eggs produced by a fish stock over its lifespan under a specific fishing regime, relative to the spawn that would have been produced over the fish stock’s lifespan if there were no fishing. It is a measure of the impact that fishinghas on
PROACTIVE VESSEL REGISTER (PVR) Audits. March 2020: Download the “Notice to the ISSF Participating Companies and Vessels listed on the ProActive Vessel Register: Audit Protocol Override due to COVID-19.”. All vessels applying to be on the PVR agree to undergo regular auditing. Level 1 audits are conducted by ISSF and assess the vessel attributes and other details that are required as part of the application.POSITION STATEMENTS
ISSF 2021-10: Status of the World Fisheries for Tuna. March 2021*(546)
FADS - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATION The issue of bycatch and overfishing associated with FADs has been mostly rooted in the unknown – gaps in data, animal entanglement below the surface and the absence of clear regional management guidelines. Uncovering the reality behind these questions is a priority for our organization and our partners, and fishers and fisheries managers are getting much better at it. TUNA FIPS - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATION This table lists tuna fishery improvement projects (FIPs) that have profile pages on the FisheryProgress.org site.. Each tuna FIP name in the table is linked to its FisheryProgress.org description. The FIP types and stages are defined by Fishery Progress inREFERENCE POINTS
Reference points A benchmark against which to compare indicators of stock abundance, fishing mortality or socio-economic outcomes to evaluate status. Target reference points refer to desirable states, while limit reference points are boundaries which 1.2 RFMO PARTICIPATION ISSF recognizes that effective monitoring, control and surveillance of fishing activities within each RFMO is necessary for appropriate management. In some regions, however, vessels flagged to nations that are neither members nor cooperating non-members of the relevant RFMO are fishing for tunas, and thus are falling outside the purview of the RFMO management system. TUNA REGIONAL FISHERY MANAGEMENT ORGANIZATION Tuna Regional Fishery Management Organization. Intergovernmental organizations that carry out data collection, scientific monitoring, and management of tuna and tuna‑like resources. 9) SOCIAL AND LABOR STANDARDS ARCHIVES 1. Processors, traders, importers, transporters, marketers and others involved in the seafood industry shall develop and publish a public social and labor standards policy and/or sourcing policy that applies to it and its supply chain, including production facilities and fishing and supply vessels, that addresses, at a minimum, the following categories: Forced labor Child labor Freedom of 1.1 TUNA RFMO AUTHORIZED VESSEL RECORD Each tuna Regional Fisheries Management Organization (RFMO) develops vessel registration requirements and maintains a publicly available regional record of such tuna fishing vessels and carrier vessels authorized to fish or receive fish in the Convention Area of that RFMO. A vessel may be included on the record of authorized fishing vessels in multiple RFMOs simultaneously. 7) PROACTIVE VESSEL REGISTER ARCHIVES The ISSF ProActive Vessel Register (PVR) is an effective, credible and verifiable way for vessel owners to highlight meaningful sustainability efforts taken in order to improve responsible practices in tuna fishing. The PVR can assist processors, traders, importers, transporters and others involved in the seafood industry to identify those vessels that are taking meaningful sustainability HOME - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATIONWHO WE AREWHAT WE DOABOUT TUNAKNOWLEDGE & TOOLSNEWSGOVERNANCE The long-term conservation and sustainable use of global tuna fisheries is our goal. It’s not easy. But through science-based practices, collaboration and advocacy, we believe it’s achievable. RECRUITMENT OVERFISHING Recruitment overfishing. A situation in which the rate of fishing is (or has been) such that annual recruitment to the exploitable stock has become significantly reduced. The situation is characterized by a greatly reduced spawning stock, a decreasing proportion of older fish in the catch, and generally very low recruitment year after year.If prolonged, recruitment overfishing can lead to STATUS OF THE STOCKS ISSF’s Status of the World Fisheries for Tuna report, also known as the “Status of the Stocks” report, is published several times per year and is one of our most-read publications.. The report provides information on the status of tuna stocks as well as on bycatch and mitigation issues in tuna fisheries. It also reviews programs by Regional Fisheries Management Organizations (RFMOs) to PROACTIVE VESSEL REGISTER (PVR) Audits. March 2020: Download the “Notice to the ISSF Participating Companies and Vessels listed on the ProActive Vessel Register: Audit Protocol Override due to COVID-19.”. All vessels applying to be on the PVR agree to undergo regular auditing. Level 1 audits are conducted by ISSF and assess the vessel attributes and other details that are required as part of the application.GROWTH OVERFISHING
Growth overfishing. Growth overfishing occurs when fish are harvested at an average size that is smaller than the size that would produce the maximum yield per recruit.A recruit is an individual that makes it to maturity, or into the limits specified by a fishery, which are usually size or age.This makes the total yield less than it would be if the fish were allowed to grow to an appropriate size. 87.6% OF GLOBAL TUNA CATCH CONTINUES TO COME FROM STOCKSFISHING MORTALITY LEVELS: 74% OF THE 23 STOCKS ARE EXPERIENCING A WELL-MANAGED FISHING MORTALITY RATE, AND 22% ARE EXPERIENCING OVERFISHING.FISHING MORTALITY LEVELS: 74% OF THE 23 STOCKS ARE EXPERIENCING A WELL-MANAGED FISHING MORTALITY RATE, AND 22% ARE EXPERIENCING OVERFISHING.SEE MORENEW CONTENT WILL BE ADDED ABOVE THE CURRENT AREA OF FOCUS UPON SELECTIONSEE MORE ON ISS-FOUNDATION.ORGMAJURO PLOT
Majuro plot. A modification of the Kobe plot by WCPFC where the status of key tuna stocks is displayed in terms of biomass depletion relative to unfished spawning biomass (SSB/SSB F =0) instead of to SSBMSY, while fishing mortality remains relative to F MSY (F/F MSY ). Key reference points are the WCPFC-agreed biomass limit reference point ofOPEN ACCESS FISHERY
Open access fishery Fishery in which there is no limit on the number of operators or vessels (c.f. Limited entry fishery). Such a fishery is liable to suffer the “tragedy of the commons.” Under open access, a fishery operates with a harvest and effort that PROTECTING RESOURCES IN THE WORLD’S LARGEST TUNA FISHING The Western and Central Pacific Fisheries Commission (WCPFC) is responsible for the effective long-term conservation and management of highly migratory fish stocks in the western and central Pacific Ocean (WCPO). With about 52 percent of the global production of tuna coming from the WCPO — catches of skipjack, yellowfin, and bigeye tuna in 2018 were 2,544,000 tonnes — it’s easy to SPAWNING POTENTIAL RATIO Spawning potential ratio . The amount of eggs produced by a fish stock over its lifespan under a specific fishing regime, relative to the spawn that would have been produced over the fish stock’s lifespan if there were no fishing. It is a measure of the impact that fishinghas on
HOME - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATIONWHO WE AREWHAT WE DOABOUT TUNAKNOWLEDGE & TOOLSNEWSGOVERNANCE The long-term conservation and sustainable use of global tuna fisheries is our goal. It’s not easy. But through science-based practices, collaboration and advocacy, we believe it’s achievable. RECRUITMENT OVERFISHING Recruitment overfishing. A situation in which the rate of fishing is (or has been) such that annual recruitment to the exploitable stock has become significantly reduced. The situation is characterized by a greatly reduced spawning stock, a decreasing proportion of older fish in the catch, and generally very low recruitment year after year.If prolonged, recruitment overfishing can lead to STATUS OF THE STOCKS ISSF’s Status of the World Fisheries for Tuna report, also known as the “Status of the Stocks” report, is published several times per year and is one of our most-read publications.. The report provides information on the status of tuna stocks as well as on bycatch and mitigation issues in tuna fisheries. It also reviews programs by Regional Fisheries Management Organizations (RFMOs) to PROACTIVE VESSEL REGISTER (PVR) Audits. March 2020: Download the “Notice to the ISSF Participating Companies and Vessels listed on the ProActive Vessel Register: Audit Protocol Override due to COVID-19.”. All vessels applying to be on the PVR agree to undergo regular auditing. Level 1 audits are conducted by ISSF and assess the vessel attributes and other details that are required as part of the application.GROWTH OVERFISHING
Growth overfishing. Growth overfishing occurs when fish are harvested at an average size that is smaller than the size that would produce the maximum yield per recruit.A recruit is an individual that makes it to maturity, or into the limits specified by a fishery, which are usually size or age.This makes the total yield less than it would be if the fish were allowed to grow to an appropriate size. 87.6% OF GLOBAL TUNA CATCH CONTINUES TO COME FROM STOCKSFISHING MORTALITY LEVELS: 74% OF THE 23 STOCKS ARE EXPERIENCING A WELL-MANAGED FISHING MORTALITY RATE, AND 22% ARE EXPERIENCING OVERFISHING.FISHING MORTALITY LEVELS: 74% OF THE 23 STOCKS ARE EXPERIENCING A WELL-MANAGED FISHING MORTALITY RATE, AND 22% ARE EXPERIENCING OVERFISHING.SEE MORENEW CONTENT WILL BE ADDED ABOVE THE CURRENT AREA OF FOCUS UPON SELECTIONSEE MORE ON ISS-FOUNDATION.ORGMAJURO PLOT
Majuro plot. A modification of the Kobe plot by WCPFC where the status of key tuna stocks is displayed in terms of biomass depletion relative to unfished spawning biomass (SSB/SSB F =0) instead of to SSBMSY, while fishing mortality remains relative to F MSY (F/F MSY ). Key reference points are the WCPFC-agreed biomass limit reference point ofOPEN ACCESS FISHERY
Open access fishery Fishery in which there is no limit on the number of operators or vessels (c.f. Limited entry fishery). Such a fishery is liable to suffer the “tragedy of the commons.” Under open access, a fishery operates with a harvest and effort that PROTECTING RESOURCES IN THE WORLD’S LARGEST TUNA FISHING The Western and Central Pacific Fisheries Commission (WCPFC) is responsible for the effective long-term conservation and management of highly migratory fish stocks in the western and central Pacific Ocean (WCPO). With about 52 percent of the global production of tuna coming from the WCPO — catches of skipjack, yellowfin, and bigeye tuna in 2018 were 2,544,000 tonnes — it’s easy to SPAWNING POTENTIAL RATIO Spawning potential ratio . The amount of eggs produced by a fish stock over its lifespan under a specific fishing regime, relative to the spawn that would have been produced over the fish stock’s lifespan if there were no fishing. It is a measure of the impact that fishinghas on
PROACTIVE VESSEL REGISTER (PVR) Audits. March 2020: Download the “Notice to the ISSF Participating Companies and Vessels listed on the ProActive Vessel Register: Audit Protocol Override due to COVID-19.”. All vessels applying to be on the PVR agree to undergo regular auditing. Level 1 audits are conducted by ISSF and assess the vessel attributes and other details that are required as part of the application. DOWNLOAD - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATION ISSF 2021-10: Status of the World Fisheries for Tuna. March 2021* (571) ISSF 2021-01: An Evaluation of the Sustainability of Global Tuna Stocks Relative to Marine Stewardship Council Criteria* (400)POSITION STATEMENTS
ISSF 2021-10: Status of the World Fisheries for Tuna. March 2021*(546)
FADS - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATION The issue of bycatch and overfishing associated with FADs has been mostly rooted in the unknown – gaps in data, animal entanglement below the surface and the absence of clear regional management guidelines. Uncovering the reality behind these questions is a priority for our organization and our partners, and fishers and fisheries managers are getting much better at it.REFERENCE POINTS
Reference points A benchmark against which to compare indicators of stock abundance, fishing mortality or socio-economic outcomes to evaluate status. Target reference points refer to desirable states, while limit reference points are boundaries which TUNA FIPS - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATION This table lists tuna fishery improvement projects (FIPs) that have profile pages on the FisheryProgress.org site.. Each tuna FIP name in the table is linked to its FisheryProgress.org description. The FIP types and stages are defined by Fishery Progress inPELAGIC TRAWLING
Pelagic trawling. Fishing method, also referred to as midwater trawling, which uses a cone‑shaped net that, in contrast to bottom trawling, is hauled through the water at a higher ocean depth.Pelagic trawls are generally much larger than bottom trawls. They can be towed behind a single boat and spread by trawl doors, or towed behind two boats (pair trawling) that act as the spreading device. TUNA REGIONAL FISHERY MANAGEMENT ORGANIZATION Tuna Regional Fishery Management Organization. Intergovernmental organizations that carry out data collection, scientific monitoring, and management of tuna and tuna‑like resources. AREA BASED FISHERY MANAGEMENT All Hands on Deck 2.24.2021 Mobula rays (manta and devil rays) aresome MORE
IS CATCHING IMMATURE FISH TRULY UNSUSTAINABLE Victor Restrepo serves as Chair of the ISSF Scientific Advisory Committee. Christopher Zimmermann and Kristina Barz are with Thünen Institute of Baltic Sea Fisheries. There is a widespread perception that catching immature, smaller fish is a very bad thing. Several consumer and retailer guides assign a negative score to those fisheries that catch a non-trivial amount of these fish – five HOME - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATIONWHO WE AREWHAT WE DOABOUT TUNAKNOWLEDGE & TOOLSNEWSGOVERNANCE The long-term conservation and sustainable use of global tuna fisheries is our goal. It’s not easy. But through science-based practices, collaboration and advocacy, we believe it’s achievable. RECRUITMENT OVERFISHING Recruitment overfishing. A situation in which the rate of fishing is (or has been) such that annual recruitment to the exploitable stock has become significantly reduced. The situation is characterized by a greatly reduced spawning stock, a decreasing proportion of older fish in the catch, and generally very low recruitment year after year.If prolonged, recruitment overfishing can lead to STATUS OF THE STOCKS ISSF’s Status of the World Fisheries for Tuna report, also known as the “Status of the Stocks” report, is published several times per year and is one of our most-read publications.. The report provides information on the status of tuna stocks as well as on bycatch and mitigation issues in tuna fisheries. It also reviews programs by Regional Fisheries Management Organizations (RFMOs) to PROACTIVE VESSEL REGISTER (PVR) Audits. March 2020: Download the “Notice to the ISSF Participating Companies and Vessels listed on the ProActive Vessel Register: Audit Protocol Override due to COVID-19.”. All vessels applying to be on the PVR agree to undergo regular auditing. Level 1 audits are conducted by ISSF and assess the vessel attributes and other details that are required as part of the application.GROWTH OVERFISHING
Growth overfishing. Growth overfishing occurs when fish are harvested at an average size that is smaller than the size that would produce the maximum yield per recruit.A recruit is an individual that makes it to maturity, or into the limits specified by a fishery, which are usually size or age.This makes the total yield less than it would be if the fish were allowed to grow to an appropriate size. 87.6% OF GLOBAL TUNA CATCH CONTINUES TO COME FROM STOCKSFISHING MORTALITY LEVELS: 74% OF THE 23 STOCKS ARE EXPERIENCING A WELL-MANAGED FISHING MORTALITY RATE, AND 22% ARE EXPERIENCING OVERFISHING.FISHING MORTALITY LEVELS: 74% OF THE 23 STOCKS ARE EXPERIENCING A WELL-MANAGED FISHING MORTALITY RATE, AND 22% ARE EXPERIENCING OVERFISHING.SEE MORENEW CONTENT WILL BE ADDED ABOVE THE CURRENT AREA OF FOCUS UPON SELECTIONSEE MORE ON ISS-FOUNDATION.ORGMAJURO PLOT
Majuro plot. A modification of the Kobe plot by WCPFC where the status of key tuna stocks is displayed in terms of biomass depletion relative to unfished spawning biomass (SSB/SSB F =0) instead of to SSBMSY, while fishing mortality remains relative to F MSY (F/F MSY ). Key reference points are the WCPFC-agreed biomass limit reference point ofOPEN ACCESS FISHERY
Open access fishery Fishery in which there is no limit on the number of operators or vessels (c.f. Limited entry fishery). Such a fishery is liable to suffer the “tragedy of the commons.” Under open access, a fishery operates with a harvest and effort that PROTECTING RESOURCES IN THE WORLD’S LARGEST TUNA FISHING The Western and Central Pacific Fisheries Commission (WCPFC) is responsible for the effective long-term conservation and management of highly migratory fish stocks in the western and central Pacific Ocean (WCPO). With about 52 percent of the global production of tuna coming from the WCPO — catches of skipjack, yellowfin, and bigeye tuna in 2018 were 2,544,000 tonnes — it’s easy to SPAWNING POTENTIAL RATIO Spawning potential ratio . The amount of eggs produced by a fish stock over its lifespan under a specific fishing regime, relative to the spawn that would have been produced over the fish stock’s lifespan if there were no fishing. It is a measure of the impact that fishinghas on
HOME - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATIONWHO WE AREWHAT WE DOABOUT TUNAKNOWLEDGE & TOOLSNEWSGOVERNANCE The long-term conservation and sustainable use of global tuna fisheries is our goal. It’s not easy. But through science-based practices, collaboration and advocacy, we believe it’s achievable. RECRUITMENT OVERFISHING Recruitment overfishing. A situation in which the rate of fishing is (or has been) such that annual recruitment to the exploitable stock has become significantly reduced. The situation is characterized by a greatly reduced spawning stock, a decreasing proportion of older fish in the catch, and generally very low recruitment year after year.If prolonged, recruitment overfishing can lead to STATUS OF THE STOCKS ISSF’s Status of the World Fisheries for Tuna report, also known as the “Status of the Stocks” report, is published several times per year and is one of our most-read publications.. The report provides information on the status of tuna stocks as well as on bycatch and mitigation issues in tuna fisheries. It also reviews programs by Regional Fisheries Management Organizations (RFMOs) to PROACTIVE VESSEL REGISTER (PVR) Audits. March 2020: Download the “Notice to the ISSF Participating Companies and Vessels listed on the ProActive Vessel Register: Audit Protocol Override due to COVID-19.”. All vessels applying to be on the PVR agree to undergo regular auditing. Level 1 audits are conducted by ISSF and assess the vessel attributes and other details that are required as part of the application.GROWTH OVERFISHING
Growth overfishing. Growth overfishing occurs when fish are harvested at an average size that is smaller than the size that would produce the maximum yield per recruit.A recruit is an individual that makes it to maturity, or into the limits specified by a fishery, which are usually size or age.This makes the total yield less than it would be if the fish were allowed to grow to an appropriate size. 87.6% OF GLOBAL TUNA CATCH CONTINUES TO COME FROM STOCKSFISHING MORTALITY LEVELS: 74% OF THE 23 STOCKS ARE EXPERIENCING A WELL-MANAGED FISHING MORTALITY RATE, AND 22% ARE EXPERIENCING OVERFISHING.FISHING MORTALITY LEVELS: 74% OF THE 23 STOCKS ARE EXPERIENCING A WELL-MANAGED FISHING MORTALITY RATE, AND 22% ARE EXPERIENCING OVERFISHING.SEE MORENEW CONTENT WILL BE ADDED ABOVE THE CURRENT AREA OF FOCUS UPON SELECTIONSEE MORE ON ISS-FOUNDATION.ORGMAJURO PLOT
Majuro plot. A modification of the Kobe plot by WCPFC where the status of key tuna stocks is displayed in terms of biomass depletion relative to unfished spawning biomass (SSB/SSB F =0) instead of to SSBMSY, while fishing mortality remains relative to F MSY (F/F MSY ). Key reference points are the WCPFC-agreed biomass limit reference point ofOPEN ACCESS FISHERY
Open access fishery Fishery in which there is no limit on the number of operators or vessels (c.f. Limited entry fishery). Such a fishery is liable to suffer the “tragedy of the commons.” Under open access, a fishery operates with a harvest and effort that PROTECTING RESOURCES IN THE WORLD’S LARGEST TUNA FISHING The Western and Central Pacific Fisheries Commission (WCPFC) is responsible for the effective long-term conservation and management of highly migratory fish stocks in the western and central Pacific Ocean (WCPO). With about 52 percent of the global production of tuna coming from the WCPO — catches of skipjack, yellowfin, and bigeye tuna in 2018 were 2,544,000 tonnes — it’s easy to SPAWNING POTENTIAL RATIO Spawning potential ratio . The amount of eggs produced by a fish stock over its lifespan under a specific fishing regime, relative to the spawn that would have been produced over the fish stock’s lifespan if there were no fishing. It is a measure of the impact that fishinghas on
PROACTIVE VESSEL REGISTER (PVR) Audits. March 2020: Download the “Notice to the ISSF Participating Companies and Vessels listed on the ProActive Vessel Register: Audit Protocol Override due to COVID-19.”. All vessels applying to be on the PVR agree to undergo regular auditing. Level 1 audits are conducted by ISSF and assess the vessel attributes and other details that are required as part of the application. DOWNLOAD - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATION ISSF 2021-10: Status of the World Fisheries for Tuna. March 2021* (571) ISSF 2021-01: An Evaluation of the Sustainability of Global Tuna Stocks Relative to Marine Stewardship Council Criteria* (400)POSITION STATEMENTS
ISSF 2021-10: Status of the World Fisheries for Tuna. March 2021*(546)
FADS - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATION The issue of bycatch and overfishing associated with FADs has been mostly rooted in the unknown – gaps in data, animal entanglement below the surface and the absence of clear regional management guidelines. Uncovering the reality behind these questions is a priority for our organization and our partners, and fishers and fisheries managers are getting much better at it.REFERENCE POINTS
Reference points A benchmark against which to compare indicators of stock abundance, fishing mortality or socio-economic outcomes to evaluate status. Target reference points refer to desirable states, while limit reference points are boundaries which TUNA FIPS - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATION This table lists tuna fishery improvement projects (FIPs) that have profile pages on the FisheryProgress.org site.. Each tuna FIP name in the table is linked to its FisheryProgress.org description. The FIP types and stages are defined by Fishery Progress inPELAGIC TRAWLING
Pelagic trawling. Fishing method, also referred to as midwater trawling, which uses a cone‑shaped net that, in contrast to bottom trawling, is hauled through the water at a higher ocean depth.Pelagic trawls are generally much larger than bottom trawls. They can be towed behind a single boat and spread by trawl doors, or towed behind two boats (pair trawling) that act as the spreading device. TUNA REGIONAL FISHERY MANAGEMENT ORGANIZATION Tuna Regional Fishery Management Organization. Intergovernmental organizations that carry out data collection, scientific monitoring, and management of tuna and tuna‑like resources. AREA BASED FISHERY MANAGEMENT All Hands on Deck 2.24.2021 Mobula rays (manta and devil rays) aresome MORE
IS CATCHING IMMATURE FISH TRULY UNSUSTAINABLE Victor Restrepo serves as Chair of the ISSF Scientific Advisory Committee. Christopher Zimmermann and Kristina Barz are with Thünen Institute of Baltic Sea Fisheries. There is a widespread perception that catching immature, smaller fish is a very bad thing. Several consumer and retailer guides assign a negative score to those fisheries that catch a non-trivial amount of these fish – five HOME - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATIONWHO WE AREWHAT WE DOABOUT TUNAKNOWLEDGE & TOOLSNEWSGOVERNANCEINTERNATIONAL STAINLESSSTEEL FORUM
The long-term conservation and sustainable use of global tuna fisheries is our goal. It’s not easy. But through science-based practices, collaboration and advocacy, we believe it’s achievable. STATUS OF THE STOCKS ISSF’s Status of the World Fisheries for Tuna report, also known as the “Status of the Stocks” report, is published several times per year and is one of our most-read publications.. The report provides information on the status of tuna stocks as well as on bycatch and mitigation issues in tuna fisheries. It also reviews programs by Regional Fisheries Management Organizations (RFMOs) to RECRUITMENT OVERFISHING Recruitment overfishing. A situation in which the rate of fishing is (or has been) such that annual recruitment to the exploitable stock has become significantly reduced. The situation is characterized by a greatly reduced spawning stock, a decreasing proportion of older fish in the catch, and generally very low recruitment year after year.If prolonged, recruitment overfishing can lead to PROACTIVE VESSEL REGISTER (PVR) Audits. March 2020: Download the “Notice to the ISSF Participating Companies and Vessels listed on the ProActive Vessel Register: Audit Protocol Override due to COVID-19.”. All vessels applying to be on the PVR agree to undergo regular auditing. Level 1 audits are conducted by ISSF and assess the vessel attributes and other details that are required as part of the application.OPEN ACCESS FISHERY
Open access fishery Fishery in which there is no limit on the number of operators or vessels (c.f. Limited entry fishery). Such a fishery is liable to suffer the “tragedy of the commons.” Under open access, a fishery operates with a harvest and effort that TRACEABILITY & DATA COLLECTION 2.4 Supply Chain Transparency, Audit, Reporting and Purchase Requirements Processors, traders, importers, transporters, marketers and others involved in the seafoodMAJURO PLOT
Majuro plot A modification of the Kobe plot by WCPFC where the status of key tuna stocks is displayed in terms of biomass depletion relative to unfished spawning biomass (SSB/SSBF=0) instead of to SSBMSY, while fishing mortality remains relative to FMSY (F/FMSY). Key referencepoints
PROTECTING RESOURCES IN THE WORLD’S LARGEST TUNA FISHING The Western and Central Pacific Fisheries Commission (WCPFC) is responsible for the effective long-term conservation and management of highly migratory fish stocks in the western and central Pacific Ocean (WCPO). With about 52 percent of the global production of tuna coming from the WCPO — catches of skipjack, yellowfin, and bigeye tuna in 2018 were 2,544,000 tonnes — it’s easy to SPAWNING POTENTIAL RATIO Spawning potential ratio . The amount of eggs produced by a fish stock over its lifespan under a specific fishing regime, relative to the spawn that would have been produced over the fish stock’s lifespan if there were no fishing. It is a measure of the impact that fishinghas on
IS CATCHING IMMATURE FISH TRULY UNSUSTAINABLE Victor Restrepo serves as Chair of the ISSF Scientific Advisory Committee. Christopher Zimmermann and Kristina Barz are with Thünen Institute of Baltic Sea Fisheries. There is a widespread perception that catching immature, smaller fish is a very bad thing. Several consumer and retailer guides assign a HOME - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATIONWHO WE AREWHAT WE DOABOUT TUNAKNOWLEDGE & TOOLSNEWSGOVERNANCEINTERNATIONAL STAINLESSSTEEL FORUM
The long-term conservation and sustainable use of global tuna fisheries is our goal. It’s not easy. But through science-based practices, collaboration and advocacy, we believe it’s achievable. STATUS OF THE STOCKS ISSF’s Status of the World Fisheries for Tuna report, also known as the “Status of the Stocks” report, is published several times per year and is one of our most-read publications.. The report provides information on the status of tuna stocks as well as on bycatch and mitigation issues in tuna fisheries. It also reviews programs by Regional Fisheries Management Organizations (RFMOs) to RECRUITMENT OVERFISHING Recruitment overfishing. A situation in which the rate of fishing is (or has been) such that annual recruitment to the exploitable stock has become significantly reduced. The situation is characterized by a greatly reduced spawning stock, a decreasing proportion of older fish in the catch, and generally very low recruitment year after year.If prolonged, recruitment overfishing can lead to PROACTIVE VESSEL REGISTER (PVR) Audits. March 2020: Download the “Notice to the ISSF Participating Companies and Vessels listed on the ProActive Vessel Register: Audit Protocol Override due to COVID-19.”. All vessels applying to be on the PVR agree to undergo regular auditing. Level 1 audits are conducted by ISSF and assess the vessel attributes and other details that are required as part of the application.OPEN ACCESS FISHERY
Open access fishery Fishery in which there is no limit on the number of operators or vessels (c.f. Limited entry fishery). Such a fishery is liable to suffer the “tragedy of the commons.” Under open access, a fishery operates with a harvest and effort that TRACEABILITY & DATA COLLECTION 2.4 Supply Chain Transparency, Audit, Reporting and Purchase Requirements Processors, traders, importers, transporters, marketers and others involved in the seafoodMAJURO PLOT
Majuro plot A modification of the Kobe plot by WCPFC where the status of key tuna stocks is displayed in terms of biomass depletion relative to unfished spawning biomass (SSB/SSBF=0) instead of to SSBMSY, while fishing mortality remains relative to FMSY (F/FMSY). Key referencepoints
PROTECTING RESOURCES IN THE WORLD’S LARGEST TUNA FISHING The Western and Central Pacific Fisheries Commission (WCPFC) is responsible for the effective long-term conservation and management of highly migratory fish stocks in the western and central Pacific Ocean (WCPO). With about 52 percent of the global production of tuna coming from the WCPO — catches of skipjack, yellowfin, and bigeye tuna in 2018 were 2,544,000 tonnes — it’s easy to SPAWNING POTENTIAL RATIO Spawning potential ratio . The amount of eggs produced by a fish stock over its lifespan under a specific fishing regime, relative to the spawn that would have been produced over the fish stock’s lifespan if there were no fishing. It is a measure of the impact that fishinghas on
IS CATCHING IMMATURE FISH TRULY UNSUSTAINABLE Victor Restrepo serves as Chair of the ISSF Scientific Advisory Committee. Christopher Zimmermann and Kristina Barz are with Thünen Institute of Baltic Sea Fisheries. There is a widespread perception that catching immature, smaller fish is a very bad thing. Several consumer and retailer guides assign a PARTICIPATING COMPANIES We believe it’s important to work with all stakeholders, and tuna processors, traders, and/or marketers that are integral to improving the sustainability of the world’s tuna resources. Companies that participate in ISSF are members of the International Seafood Sustainability Association (ISSA).Membership in ISSA is voluntary and is contingent upon compliance with ISSF conservation measures KOBE PLOT - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATION Kobe plot. A plot that shows the trajectory of the status of a stock over time, its current status, or both. Stock abundance is on the X-axis and fishing mortality on the Y-axis. These are often shown relative to Spawning Stock Biomass capable of producing MSY (SSB MSY) and fishing mortality (F MSY) capable of producing MSY, respectively.The Kobe plot is usually divided into four quadrants byPOLE AND LINE
In pole-and-line fishing, tuna are caught one-by-one using a hook attached to a line and pole. Pole-and-line fisheries operate around the world, and can be technologically advanced commercial operations or more artisanal in nature.. The major pole-and-line producers are Japan (100,000 tons annually), Indonesia (90,000 tons) and the Maldives (76,000 tons). PROTECTING RESOURCES IN THE WORLD’S LARGEST TUNA FISHING The Western and Central Pacific Fisheries Commission (WCPFC) is responsible for the effective long-term conservation and management of highly migratory fish stocks in the western and central Pacific Ocean (WCPO). With about 52 percent of the global production of tuna coming from the WCPO — catches of skipjack, yellowfin, and bigeye tuna in 2018 were 2,544,000 tonnes — it’s easy to FADS - INTERNATIONAL SEAFOOD SUSTAINABILITY FOUNDATION The issue of bycatch and overfishing associated with FADs has been mostly rooted in the unknown – gaps in data, animal entanglement below the surface and the absence of clear regional management guidelines. Uncovering the reality behind these questions is a priority for our organization and our partners, and fishers and fisheries managers are getting much better at it. TUNA SPECIES AN OVERVIEW There is not one individual fish called “tuna” – there are more than a dozen species of tuna worldwide. Many tuna companies, in fact, now track and label their canned tuna products to identify the specific type of tuna, the ocean where it was caught,GROWTH OVERFISHING
Growth overfishing. Growth overfishing occurs when fish are harvested at an average size that is smaller than the size that would produce the maximum yield per recruit.A recruit is an individual that makes it to maturity, or into the limits specified by a fishery, which are usually size or age.This makes the total yield less than it would be if the fish were allowed to grow to an appropriate size. IS CATCHING IMMATURE FISH TRULY UNSUSTAINABLE Victor Restrepo serves as Chair of the ISSF Scientific Advisory Committee. Christopher Zimmermann and Kristina Barz are with Thünen Institute of Baltic Sea Fisheries. There is a widespread perception that catching immature, smaller fish is a very bad thing. Several consumer and retailer guides assign aPELAGIC TRAWLING
Pelagic trawling. Fishing method, also referred to as midwater trawling, which uses a cone‑shaped net that, in contrast to bottom trawling, is hauled through the water at a higher ocean depth.Pelagic trawls are generally much larger than bottom trawls. They can be towed behind a single boat and spread by trawl doors, or towed behind two boats (pair trawling) that act as the spreading device. RECORD OF LARGE-SCALE PURSE SEINE VESSELS The Record of Large-Scale Purse Seine Vessels (LSPSR) is made publicly available as required by ISSF Conservation Measure 6.1 (Transaction Ban for Large-Scale Purse-Seine Vessels not Actively Fishing for Tuna as of December 31, 2012).. The LSPSR has been put together based on the Tuna RFMO Regional Vessel Registers, the IHS Register, with additional information supplied by NationalGo to ...
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ISSF Report: 15 Tuna Stocks Not Meeting Criteria for Marine Stewardship Council (MSC) Sustainability Standard ISSF Adds New Board Member; Two Fisheries Experts Appointed to ISSF Environmental Stakeholder Committee 84% of Global Tuna Catch Comes from Stocks at Healthy Levels, While 15% Require Stronger Management ISSF Report: 15 Tuna Stocks Not Meeting Criteria for Marine Stewardship Council (MSC) Sustainability Standard ISSF Adds New Board Member; Two Fisheries Experts Appointed to ISSF Environmental Stakeholder Committee1
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The long-term conservation and sustainable use of global tuna fisheries is our goal. It’s not easy. But through science-based practices, collaboration and advocacy, we believe it’s achievable. RESEARCH & ADVOCACY – _AREAS OF FOCUS_TUNA CONSERVATION
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