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New research reveals shifting identities of global fishing fleet to help bolster fisheries management

WASHINGTON, D.C., Jan. 18, 2023 (GLOBE NEWSWIRE) — A new study published today in Science Advances combines a decade's worth of satellite vessel tracking data with identification information from more than 40 public registries to determine where and when vessels responsible for most of the world's industrial fishing change their country of registration, a practice known as "reflagging", and identify hotspots of potential unauthorized fishing and activity of foreign–owned vessels.

Using big data processing and a compilation of global datasets, researchers from Global Fishing Watch, the Marine Geospatial Ecology Lab from Duke University, and Stockholm Resilience Centre were able to track and analyze 35,000 commercial fishing and support vessels to reveal their changing identities and enable the reconstruction of vessel histories to demonstrate reflagging patterns.

The study, "Tracking Elusive and Shifting Identities of the Global Fishing Fleet'' found that close to 20 percent of high seas fishing is carried out by vessels that are either internationally unregulated or not publicly authorized, with large concentrations of these ships operating in the Southwest Atlantic Ocean and the western Indian Ocean.

The data used in the study is intended to complement the Food and Agriculture Organization of the United Nations' Global Record of Fishing Vessels, Refrigerated Transport Vessels and Supply Vessels, a flagship transparency initiative which serves as the official database of information on vessels used for fishing and fishing–related activities. Together with the International Maritime Organization's ship identification number scheme, these resources can provide fisheries authorities with the information needed to adequately monitor vessel activity, implement flag State responsibilities, and inform responsible fisheries management.

"Until now, we've had limited information linking together the identity and activity of specific vessels," said Jaeyoon Park, senior data scientist at Global Fishing Watch and lead author of the study. "When a vessel's identity is changed, it makes tracking them all the more difficult, allowing bad actors the opportunity to take advantage of information gaps and avoid oversight. We need to close that loophole."

Of the 116 States involved in reflagging, the study found that one–fifth of them were responsible for about 80 percent of this practice over the past decade, with most reflagging occurring in Asia, Latin America, Africa, and the Pacific Islands. The study found that reflagging takes place in just a few ports""Las Palmas de Gran Canaria, Busan, Zhoushan, and Kaohsiung have the highest activity. Vessels are often reflagged to States that are unrelated to the ports in which they are changing their registrations. This means that a vessel can change its flag from one country to another without ever having to enter port in either of those countries.

While there are legitimate reasons for a vessel to change its identity, abusive reflagging, or "flag hopping," is one way that operators avoid oversight. The study found that fleets with prevalent reflagging are over five times more likely to be composed of vessels under foreign ownership which are often registered to "flags of convenience," defined by the International Transport Workers' Federation as countries that offer foreign shipowners the ability to register, or fly the flag, of their own State.

While reflagging and foreign ownership are lawful, when not properly regulated and monitored, they can indicate a risk of illegal, unreported and unregulated (IUU) fishing. IUU fishing accounts for as much as 20 percent of the global seafood catch with annual losses valued at up to $23.5 billion.

"Knowing the identities of vessels fishing the high seas is critical for uncovering the connection between the potential IUU fishing behavior and vessels that repeatedly change their name, flag State or registered owner," said co–author Gabrielle Carmine, a doctoral candidate at Duke University's Nicholas School of the Environment. "This analysis could be used to help monitor fisheries more effectively and for accountability in the use and protection of marine biodiversity.”

The study also identified concentrations of fishing activity by foreign–owned vessels, which are focused in parts of the high seas and certain national waters, including the southwest Pacific, the northwest Indian Ocean, Argentina and the Falkland Islands (Malvinas), and West Africa where vessels are typically owned by China, Chinese Taipei, and Spain. The hotspots in this study correspond to the areas in which multiple nongovernmental organizations have called for better governance systems.

"By synthesizing more than 100 billion GPS positions with consolidated identity information from 200,000 vessels, we were able to reveal patterns about vessel activity from the past decade," added Park. "This study represents a major step forward in our ability to enhance monitoring efforts and help authorities direct enforcement resources."

The data used in this study will be periodically updated and shared publicly to help enable better understanding of vessel behavior and bolster international fisheries management.

Notes to the editor:

  • Download data visualizations, video, and figures from the paper here: https://drive.google.com/drive/folders/11T–UNkRQmlktINuTw5ufurNFuzAIxTu8?usp=share_link
  • Data visualization caption: Data analysis in this study's assessment of fishing compliance revealed hotspots of fishing activity by foreign–owned vessels in the southwest Pacific, the west Indian oceans, and certain national waters.
  • About vessel identity data: The data used to determine vessel identities in this study were based on public registries. A lack of vessel identity information exists at the national level, while the high seas are predominantly covered by registries published by regional fisheries management organizations. The identity data used in this study has more extensive coverage for vessels that are 24 meters and longer, as these vessels are more likely to be registered to national or international public registries than smaller ones.
  • About AIS data: First developed as a collision–avoidance system, AIS is essential to vessel and crew safety. But AIS is easily manipulated, as it can simply be switched off or allow the transmission of false information, such as a vessel's name, type or location. Currently there is no global mandate for all fishing vessels to broadcast on AIS. And due to the varying quality of satellite reception by region, there is also unequal coverage of AIS data throughout the world. Most vessels larger than 24 meters are equipped with AIS while only a small fraction of vessels smaller than 24 meters use AIS, resulting in limitations in AIS data.
  • Paper citation: J. Park, J. Van Osdel, J. Turner, C. M. Farthing, N. A. Miller, H. L. Linder, G. Ortuo Crespo, G. Carmine, D. A. Kroodsma, Tracking elusive and shifting identities of the global fishing fleet. Sci. Adv. 9, eabp8200 (2023).
  • Download the data at: https://globalfishingwatch.org/data–download/datasets/public–vessel–identity:v20230118

Global Fishing Watch is an international nonprofit organization dedicated to advancing ocean governance through increased transparency of human activity at sea. By creating and publicly sharing map visualizations, data and analysis tools, we aim to enable scientific research and transform the way our ocean is managed. We believe human activity at sea should be public knowledge in order to safeguard the global ocean for the common good of all.

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The Climate Conversations

By Mohammad Rakibul Hasan (and AI Artificial Intelligence)
DHAKA, Bangladesh, Jan 18 2023 – Climate change is a global problem that requires a global solution. However, negotiating a solution has been challenging due to several factors. One of the main reasons that recent COP Climate summits and other international climate talks have not been able to resolve climate change is that there is a lack of consensus among countries on how to address the issue. Developed countries, which have historically been the largest emitters of greenhouse gases, are often unwilling to take on significant emissions reductions or to provide financial assistance to developing countries to help them adapt to the effects of climate change.

The Gabura union, a small island adjacent to the Sundarbans forest, is expected to be submerged in seawater by 2050. Credit: Mohammad Rakibul Hasan

Another significant barrier to progress on climate change is the need for more political will among leaders of countries. In some cases, leaders may not see climate change as a priority or may be reluctant to take on the economic and political costs of reducing emissions or investing in clean energy due to political reasons. Some countries may be influenced by powerful fossil fuel lobbies that push against climate action. Developed countries must be willing to take on more significant emissions reductions and provide financial assistance to developing countries to help them adapt to the effects of climate change. Developing countries, in turn, need to be willing to take on emissions reduction measures and invest in clean energy and other climate mitigation measures.This can happen through more effective multilateral negotiations such as United Nations Framework Convention on Climate Change (UNFCCC), where all countries agree to set emissions reduction targets and support developing countries.

Bangladesh is located in the low-lying delta region of the Ganges, Brahmaputra, and Meghna rivers, making the country particularly susceptible to flooding and rising sea levels. Bangladesh is also prone to cyclones and other extreme weather events, which are becoming more frequent and severe due to climate change. The country has a long coastline, much of which is low-lying and vulnerable to flooding. As sea levels continue to rise, the risk of coastal flooding is increasing, devastatingly impacting the lives and livelihoods of the people in these areas. These events are causing widespread damage to homes and infrastructure and affecting the country’s agricultural sector, a significant source of income for many people in Bangladesh. Many people in the coastal areas have lost their homes and livelihoods due to sea level rise and coastal flooding. They face food and water insecurity due to increased soil and water salinity.

Globally, rich countries can assist Bangladesh cope with climate change in several ways. One crucial way is by providing financial assistance to help the country adapt to the impacts of climate change. This may include funding for building sea walls and other flood protection infrastructure and programs to help people in coastal areas relocate to higher ground. Another way rich countries can help is by providing technical assistance to Bangladesh to develop and implement clean energy and other climate mitigation measures. This could include funding and expertise to help the country develop renewable energy sources such as solar and wind power, as well as to improve energy efficiency and to reduce emissions from the industrial and transportation sectors.

The Sundarbans forests, located in the coastal belt of Bangladesh, is one of the most vulnerable areas in the country to the impacts of climate change. The forests span over 10,000 square kilometres and is home to various plant and animal species, including the Royal Bengal tiger. Sea level rise is one of the most significant threats to the Sundarbans forest making it particularly susceptible to flooding and rising sea levels. According to a study by the Intergovernmental Panel on Climate Change, sea levels in the Bay of Bengal are projected to increase by up to 1 meter by the end of the century. This would devastate the Sundarban forests, as seawater would submerge large areas.

The impacts of climate change on the Sundarban forests are also likely to have knock-on effects on the people living in the surrounding areas. The forests are a significant source of livelihood for many people in the region, who rely on it for fishing, agriculture, and other activities. As the forests are damaged by sea level rise and extreme weather events, these people will also be affected by food and water insecurity and the loss of their homes and livelihoods. Many people who lost their homes and land to flooding, were forced to relocate to higher grounds.

The health impacts of climate change on people living around the Sundarban are also significant. As a result of sea level rise and increased flooding, many are at risk of waterborne diseases such as cholera and diarrhea. Extreme weather events are accelerating salinity across the coastal belt of Bangladesh. Women are experiencing uterus cancers, infertility, and skin diseases, and men, too, are experiencing fertility problems and other health issues. Due to the loss of livelihoods and displacement, many people face food insecurity and malnutrition. In addition to these immediate impacts, climate change exacerbates the region’s existing social and economic inequalities. People living in poverty and marginalized communities are disproportionately affected by climate change, as they have fewer resources to cope with the impacts and less access to services and support.

Climate change has led to a growing number of people migrating from these areas, searching for better opportunities and escaping the impacts of climate change. Most climate migrants from coastal belt areas of Bangladesh are moving to urban areas, such as the capital city of Dhaka and other major cities. These migrants often seek better job opportunities and access to services and support. However, many migrants face challenges in their new locations, such as a lack of affordable housing, discrimination, and limited access to services and support. The future is uncertain for those still living in coastal areas of Bangladesh and fighting the climate crisis. Many of the people living in these areas are among the country’s most vulnerable and marginalized communities, making them particularly susceptible to the impacts of climate change. Climate conversations worldwide by world leaders and major organizations have been occurring every year. But they must see the severity of the situation for the people suffering and take concrete actions beyond being in a room to converse about the effects of climate change.

Climate conversations by world leaders are occurring worldwide but how much is changing ? Credit: Mohammad Rakibul Hasan

Many indigenous communities across the Sundarbans forest have been experiencing extreme weather conditions. Credit: Mohammad Rakibul Hasan

Fishing communities face extreme poverty due to the lack of fish available in the rivers. Credit: Mohammad Rakibul Hasan

Women around coastline areas of Bangladesh face increased salinity, a major cause of uterus cancer. Credit: Mohammad Rakibul Hasan

Due to climate change, extreme heat and salinity are declining birth rates across the coastal belt in Bangladesh. Credit: Mohammad Rakibul Hasan

Climate change is accelerating the displacement of inhabitants across the coastal belt of Bangladesh. Credit: Mohammad Rakibul Hasan

Four families are sitting with what remains in their food storage. Due to high salinity, agricultural products cannot grow well anymore. Credit: Mohammad Rakibul Hasan

IPS UN Bureau

 


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