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51. Reproductive performance and diving behaviour share a common sea‐ice concentration optimum in Adélie penguins (Pygoscelis adeliae)

Author

Le Guen, Camille, primary, Kato, Akiko, additional, Raymond, Ben, additional, Barbraud, Christophe, additional, Beaulieu, Michaël, additional, Bost, Charles‐André, additional, Delord, Karine, additional, MacIntosh, Andrew J. J., additional, Meyer, Xavier, additional, Raclot, Thierry, additional, Sumner, Michael, additional, Takahashi, Akinori, additional, Thiebot, Jean‐Baptiste, additional, and Ropert‐Coudert, Yan, additional

Published
2018
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53. Vaccination protects endangered albatross chicks against avian cholera

Author

Bourret, Vincent, primary, Gamble, Amandine, additional, Tornos, Jérémy, additional, Jaeger, Audrey, additional, Delord, Karine, additional, Barbraud, Christophe, additional, Tortosa, Pablo, additional, Kada, Sarah, additional, Thiebot, Jean-Baptiste, additional, Thibault, Eric, additional, Gantelet, Hubert, additional, Weimerskirch, Henri, additional, Garnier, Romain, additional, and Boulinier, Thierry, additional

Published
2018
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55. Penguin-borne video loggers emphasize the ecosystem role of jellyfish across southern oceans

Author

Thiebot, Jean-Baptiste, P.Y. Arnould, John, Gómez-Laich, Agustina, Ito, Kentaro, Kato, Akiko, Mattern, Thomas, Mitamura, Hiromichi, Noda, Takuji, Poupart, Timothée, Quintana, Flavio, Raclot, Thierry, Ropert-Coudert, Yan, E. Sala, Juan, J. Seddon, Philip, J. Sutton, Grace, Yoda, Ken, and Takahashi, Akinori

Abstract

第7回極域科学シンポジウム:[OB] 極域生物圏11月30日（水）国立極地研究所 3階 多目的会議室

Published
2016

56. 167 individuals versus millions of hooks: bycatch mitigation in longline fisheries underlies conservation of Amsterdam albatrosses

Author

Thiebot, Jean-Baptiste, Delord, Karine, Barbraud, Christophe, Marteau, Cédric, Weimerskirch, Henri, Terres Australes et Antarctiques Françaises (T.A.A.F.), Terres Australes et Antarctiques Françaises, National Institute of Polar Research [Tokyo] (NiPR), Centre d'Études Biologiques de Chizé - UMR 7372 (CEBC), Université de La Rochelle (ULR)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), and Institut National de la Recherche Agronomique (INRA)-Université de La Rochelle (ULR)-Centre National de la Recherche Scientifique (CNRS)

Subjects
island, birds, [SDE]Environmental Sciences, distribution, endangered species, tracking, ocean, fishing
Abstract

International audience; 1. Industrial fisheries represent one of the most serious threats worldwide to seabird conservation. Death ofbirds in fishing operations (i.e. bycatch) has especially adverse effects on populations of albatrosses, which haveextremely low fecundity.2. The single population worldwide of Amsterdam albatross (Diomedea amsterdamensis) comprises only 167individuals and risks considerable decline over the mid-term from additional mortality levels potentially inducedby fisheries. The priority actions listed in the current conservation plan for this species included characterizingthe longline fisheries operating within its range, dynamically analysing the overlap between albatrosses and thesefisheries, and providing fisheries management authorities with potential impact estimates of longline fisheries onthe Amsterdam albatross.3. During all life-cycle stages and year quarters the birds overlapped extensively with fishing effort in thesouthern Indian and Atlantic oceans. Fishing effort, and consequently overlap score (calculated as the productof fishing effort and time spent by the birds in a spatial unit) was highest in July–September (45% of the hooksannually deployed). Just three fleets (Taiwanese, Japanese and Spanish) contributed to >98% of the overlap scoresfor each stage (72% from the Taiwanese fleet alone, on average). Daily overlap scores were higher for thenon-breeding versus the breeding stages (3-fold factor on average).4. Based on previous bycatch rates for other albatross species, this study estimated that longline fisheriescurrently have the potential to remove ~2–16 individuals (i.e. ~5%) each year from the total Amsterdamalbatross population, depending on whether bycatch mitigation measures were or were not systematicallyemployed during the fishing operations.5. Recent bycatch mitigation measures may be instrumental in the conservation of the Amsterdamalbatross. This study suggests three further key recommendations: (1) to focus conservation efforts on theaustral winter; (2) to require all operating vessels to report ring recoveries; and (3) to allocate specialregulation of fishing operations in the areas of peak bycatch risk for the Amsterdam albatrosses.

Published
2016
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60. Why do marine endotherms eat gelatinous prey?

Author

Thiebot, Jean-Baptiste and McInnes, Julie C

Subjects
*WARM-blooded animals, *SEA birds, *PREY availability, *MARINE mammals, *DNA analysis, *ENERGY consumption
Abstract

There is growing evidence that gelatinous zooplanktonic organisms ("gelata") are regular prey for marine endotherms. Yet the consumption of gelata is intriguing in terms of the energy reward, because endotherms have a high energy demand and the consumption of gelata provides little energy return. In this paper, we take advantage of recent advances in diet analysis methods, notably animal-borne video loggers and DNA analysis in seabirds, to examine our current understanding of this interaction. We suggest that several hypotheses commonly raised to explain predation on gelata (including increased biomass, reduced prey availability, and secondary ingestion) have already been tested and many lack strong support. We emphasize that gelata are widely consumed by endotherms (121 cases reported across 82 species of seabirds, marine mammals, and endothermic fishes) from the Arctic to the Antarctic but noticeably less in the tropics. We propose that in line with research from terrestrial ecosystems atypical food items might be beneficial to the consumers in a non-energetic context, encompassing self-medication, and responding to homeostatic challenges. Changing the "last resort" context for a "functional response" framework may improve our understanding of widespread predation on gelata. Further biochemical analyses are needed to formally examine this perspective. [ABSTRACT FROM AUTHOR]

Published
2020
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62. アデリーペンギンの一年間の採餌行動

Author

JB, Thiebot, Takahashi, Akinori, Ito, Motohiro, Mitamura, Hiromichi, Noda, Takuji, Thiebot, Jean-Baptiste, and Watanabe, Yuuki

Abstract

第4回極域科学シンポジウム個別セッション：[OB] 生物圏11月12日（火） 国立国語研究所 ２階講堂

Published
2013

64. Déplacements et sélection d'habitat chez les animaux non contraints par la reproduction : une étude de l'écologie en mer des Manchots durant les phases d'immaturité et inter-nuptiale

Author

Thiebot, Jean-Baptiste, Centre d'études biologiques de Chizé (CEBC), Centre National de la Recherche Scientifique (CNRS), Université Pierre et Marie Curie - Paris VI, and BOST Charles-André(bost@cebc.cnrs.fr)

Subjects
hiver, isotopes stables, stable isotopes, prédateurs marins, Eudyptes moseleyi, dispersion post-natale, migration, niche écologique, Eudyptes filholi, post-natal dispersion, télémétrie, marine predators, ecological niche, Southern Ocean, géo-localisation par la lumière, telemetry, conservation, winter, Aptenodytes forsteri, Océan Austral, marine resources, penguins, light-based geolocation, Eudyptes chrysolophus, [SDE]Environmental Sciences, ségrégation, Pygoscelis papua, ressources marines, manchots
Abstract

Animal movements in their environment reveal the resources they depend on in this environment. Levels of human impact in the marine environment (mainly through fisheries) have broken ecological balance, this being obvious at higher trophic levels. Our work therefore aimed at depicting movements of locally to globally declining marine predators. We especially focused on movements outside the breeding period, when predators generally face heavy constraints for survival while at-sea for a prolonged period, in 5 penguin species being keystones as consumers in a gradient of environments in the southern Indian Ocean. Their movements were investigated using light-based geolocation or satellite telemetry, and their trophic ecology by carbon and nitrogen stable isotope analyses. Our work allowed to delineate and to characterize the oceanic sectors exploited during the whole inter-breeding period by 3 congeneric species of penguins (genus Eudyptes). Then, inter-site, inter-species and inter-annual comparisons highlighted population-based striking mechanisms of ecological segregation in space, time and on food. Finally, our studies on post-natal dispersion in 2 other penguin species revealed the prospection of a contrasted habitat compared to the adults situation, and the probable action of innate skills. Our studies appear crucial in the conservation of the studied species in the study area, and rise questions about the dynamics of the population-based movement patterns observed, considering competition pressures and mobility of the targeted habitats.; Les déplacements entrepris par les animaux dans leur milieu reflètent les ressources conditionnant leur survie dans ce milieu. En milieu marin, l'intensité des activités humaines (notamment la pêche) a entraîné des bouleversements écologiques, particulièrement aux échelons trophiques supérieurs. Cette thèse a donc visé à documenter les déplacements de prédateurs marins dont les effectifs baissent à un niveau local ou global. Nous avons étudié les déplacements en dehors de la période de reproduction (lorsque les animaux font généralement face à des conditions défavorables pour leur survie en mer) chez 5 espèces de manchots dont le rôle de consommateurs est capital sur un gradient de milieux de l'Océan Indien austral. Leurs déplacements ont été connus grâce à la géo-localisation par la lumière ou la télémétrie satellitaire, et leur écologie trophique par l'analyse des isotopes stables du carbone et de l'azote. Nos travaux ont mis en évidence et caractérisé les zones océaniques exploitées durant la période inter-nuptiale par 3 espèces du genre Eudyptes. Des comparaisons inter-site, inter-espèce et interannuelle ont ensuite souligné des mécanismes spectaculaires de ségrégation écologique dans le temps, l'espace et dans les proies ciblées pour l'exploitation de ressources proches. Enfin, l'étude de la dispersion post-natale chez 2 autres espèces a révélé un habitat différent de celui des adultes et l'action probable de mécanismes innés. Ces études sont cruciales pour la conservation des espèces et des habitats concernés, et posent la question de la dynamique des patrons de déplacement observés, face aux pressions de compétition et au déplacement des habitats recherchés.

Published
2011

68. Adjustment of pre-moult foraging strategies in Macaroni Penguins Eudyptes chrysolophus according to locality, sex and breeding status

Author

Thiebot, Jean-Baptiste, Cherel, Yves, Acqueberge, Manon, Prudor, Aurélien, Trathan, Philip N., Bost, Charles-André, Battley, Phil, Thiebot, Jean-Baptiste, Cherel, Yves, Acqueberge, Manon, Prudor, Aurélien, Trathan, Philip N., Bost, Charles-André, and Battley, Phil

Abstract

The annual moult creates the highest physiological stress during a penguin's breeding-cycle and is preceded by a period of hyperphagia at sea. Although crucial to individual survival, foraging strategies before moult have been little investigated in keystone marine consumers in the Southern Ocean. The Macaroni Penguin Eudyptes chrysolophus demonstrates how individuals may adjust their foraging strategies during this period in line with constraints such as potential intraspecific competition between localities, foraging ability between dimorphic sexes and timing at sea between breeding and non-breeding population components. We recorded pre-moult behaviour at sea for 22 Macaroni Penguins from Crozet and Kerguelen Islands (southern Indian Ocean) during 2009 and 2011, using light-based geolocation and stable isotope analysis. Penguins were distributed in population-specific oceanic areas with similar surface temperatures (3.5 °C) south of the archipelagos, where they foraged at comparable trophic levels based on stable isotopes of their blood. Bayesian ‘broken stick’ modelling with concurrent analysis of seawater temperature records from the animal-borne devices showed that within each population, females remained 6 days longer than males in the colder waters before heading back towards their colonies. Finally, 17 other non-breeding individuals that moulted earlier had a higher mean blood δ15N value than did post-breeding birds, meaning that early moulters probably fed more on fish than did late moulters. Our findings of such adjustments in foraging strategies developed across locality, sex and breeding status help understanding of the species' contrasted pre-moult biology across its range and its ecology in the non-breeding period.

Published
2014

73. A space oddity: Geographic and specific modulation of migration in Eudyptes penguins

Author

Thiebot, Jean-Baptiste, Cherel, Yves, Crawford, Robert J. M., Makhado, Azwianewi B., Trathan, Philip N., Pinaud, David, Bost, Charles-André, Thiebot, Jean-Baptiste, Cherel, Yves, Crawford, Robert J. M., Makhado, Azwianewi B., Trathan, Philip N., Pinaud, David, and Bost, Charles-André

Abstract

Post-breeding migration in land-based marine animals is thought to offset seasonal deterioration in foraging or other important environmental conditions at the breeding site. However the inter-breeding distribution of such animals may reflect not only their optimal habitat, but more subtle influences on an individual’s migration path, including such factors as the intrinsic influence of each locality’s paleoenvironment, thereby influencing animals’ wintering distribution. In this study we investigated the influence of the regional marine environment on the migration patterns of a poorly known, but important seabird group. We studied the inter-breeding migration patterns in three species of Eudyptes penguins (E. chrysolophus, E. filholi and E. moseleyi), the main marine prey consumers amongst the World’s seabirds. Using ultra-miniaturized logging devices (light-based geolocators) and satellite tags, we tracked 87 migrating individuals originating from 4 sites in the southern Indian Ocean (Marion, Crozet, Kerguelen and Amsterdam Islands) and modelled their wintering habitat using the MADIFA niche modelling technique. For each site, sympatric species followed a similar compass bearing during migration with consistent species-specific latitudinal shifts. Within each species, individuals breeding on different islands showed contrasting migration patterns but similar winter habitat preferences driven by sea-surface temperatures. Our results show that inter-breeding migration patterns in sibling penguin species depend primarily on the site of origin and secondly on the species. Such site-specific migration bearings, together with similar wintering habitat used by parapatrics, support the hypothesis that migration behaviour is affected by the intrinsic characteristics of each site. The paleo-oceanographic conditions (primarily, sea-surface temperatures) when the populations first colonized each of these sites may have been an important determinant of subsequent migration pa

Published
2013

74. Larger foraging range but similar habitat selection in non-breeding versus breeding sub-Antarctic penguins

Author

Thiebot, Jean-Baptiste, Lescroël, Amélie, Pinaud, David, Trathan, Philip N., Bost, Charles-André, Thiebot, Jean-Baptiste, Lescroël, Amélie, Pinaud, David, Trathan, Philip N., and Bost, Charles-André

Abstract

For land-breeding marine organisms such as seabirds, knowledge about their habitat use has mainly been gained through studies of breeding individuals that are constrained to return frequently to their breeding grounds. In this study we set out to measure whether: a) habitat selection in the non-breeding period predicts habitat selection in the breeding period, and b) whether breeding individuals concentrated their activity on the closest suitable habitats. Macaroni Eudyptes chrysolophus and gentoo Pygoscelis papua penguins, two marine predators with contrasting foraging strategies, were tracked from the Iles Kerguelen and their habitat selection investigated through Mahalanobis distances factorial analysis. This study presents the first data about gentoo penguins’ juvenile dispersal. For both species, results showed 6.9 times larger maximum ranges and up to 12.2 times greater distances travelled during the non-breeding period. Habitat suitability maps suggested both species made similar environmental selections whatever the period. Macaroni penguins targeted pelagic areas beyond the shelf break while gentoo penguins always remained over the shelf. We consider the ecological significance of larger scale movements made outside the breeding period and suggest that this non-breeding period is of particular interest when attempting to understand an animal’s habitat selection.

Published
2011

80. Adjustment of pre-moult foraging strategies in Macaroni Penguins Eudyptes chrysolophus according to locality, sex and breeding status.

Author

Thiebot, Jean‐Baptiste, Cherel, Yves, Acqueberge, Manon, Prudor, Aurélien, Trathan, Philip N., Bost, Charles‐André, and Battley, Phil

Subjects
FORAGING behavior, PENGUINS, SEXUAL cycle, ANIMAL breeding, ECOLOGY, WIRELESS geolocation systems, REPRODUCTION
Abstract

The annual moult creates the highest physiological stress during a penguin's breedingcycle and is preceded by a period of hyperphagia at sea. Although crucial to individual survival, foraging strategies before moult have been little investigated in keystone marine consumers in the Southern Ocean. The Macaroni Penguin Eudyptes chrysolophus demonstrates how individuals may adjust their foraging strategies during this period in line with constraints such as potential intraspecific competition between localities, foraging ability between dimorphic sexes and timing at sea between breeding and non-breeding population components. We recorded pre-moult behaviour at sea for 22 Macaroni Penguins from Crozet and Kerguelen Islands (southern Indian Ocean) during 2009 and 2011, using light-based geolocation and stable isotope analysis. Penguins were distributed in population-specific oceanic areas with similar surface temperatures (3.5 °C) south of the archipelagos, where they foraged at comparable trophic levels based on stable isotopes of their blood. Bayesian 'broken stick' modelling with concurrent analysis of seawater temperature records from the animal-borne devices showed that within each population, females remained 6 days longer than males in the colder waters before heading back towards their colonies. Finally, 17 other non-breeding individuals that moulted earlier had a higher mean blood δ15N value than did post-breeding birds, meaning that early moulters probably fed more on fish than did late moulters. Our findings of such adjustments in foraging strategies developed across locality, sex and breeding status help understanding of the species' contrasted pre-moult biology across its range and its ecology in the non-breeding period. [ABSTRACT FROM AUTHOR]

Published
2014
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81. A Space Oddity: Geographic and Specific Modulation of Migration in Eudyptes Penguins.

Author

Thiebot, Jean-Baptiste, Cherel, Yves, Crawford, Robert J. M., Makhado, Azwianewi B., Trathan, Philip N., Pinaud, David, and Bost, Charles-André

Subjects
*WATER bird migration, *BIRD breeding, *PENGUINS, *AQUATIC habitats, *PALEOGEOPHYSICS, *MARINE biology
Abstract

Post-breeding migration in land-based marine animals is thought to offset seasonal deterioration in foraging or other important environmental conditions at the breeding site. However the inter-breeding distribution of such animals may reflect not only their optimal habitat, but more subtle influences on an individual’s migration path, including such factors as the intrinsic influence of each locality’s paleoenvironment, thereby influencing animals’ wintering distribution. In this study we investigated the influence of the regional marine environment on the migration patterns of a poorly known, but important seabird group. We studied the inter-breeding migration patterns in three species of Eudyptes penguins (E. chrysolophus, E. filholi and E. moseleyi), the main marine prey consumers amongst the World’s seabirds. Using ultra-miniaturized logging devices (light-based geolocators) and satellite tags, we tracked 87 migrating individuals originating from 4 sites in the southern Indian Ocean (Marion, Crozet, Kerguelen and Amsterdam Islands) and modelled their wintering habitat using the MADIFA niche modelling technique. For each site, sympatric species followed a similar compass bearing during migration with consistent species-specific latitudinal shifts. Within each species, individuals breeding on different islands showed contrasting migration patterns but similar winter habitat preferences driven by sea-surface temperatures. Our results show that inter-breeding migration patterns in sibling penguin species depend primarily on the site of origin and secondly on the species. Such site-specific migration bearings, together with similar wintering habitat used by parapatrics, support the hypothesis that migration behaviour is affected by the intrinsic characteristics of each site. The paleo-oceanographic conditions (primarily, sea-surface temperatures) when the populations first colonized each of these sites may have been an important determinant of subsequent migration patterns. Based on previous chronological schemes of taxonomic radiation and geographical expansion of the genus Eudyptes, we propose a simple scenario to depict the chronological onset of contrasting migration patterns within this penguin group. [ABSTRACT FROM AUTHOR]

Published
2013
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82. Three-dimensional use of marine habitats by juvenile emperor penguins Aptenodytes forsteri during post-natal dispersal.

Author

Thiebot, Jean-Baptiste, Lescroël, Amélie, Barbraud, Christophe, and Bost, Charles-André

Subjects
MARINE habitats, EMPEROR penguin, BIOTELEMETRY, HABITAT selection
Abstract

The juvenile phase is poorly known in Antarctic seabirds, despite being a critical period for individual survival. To better understand the ecology of young Antarctic seabirds, we surveyed for the first time the three-dimensional habitat use of six juvenile emperor penguins during their post-natal dispersal from Terre Adélie, using bio-telemetric tags. The tags transmitted location and activity data for nearly 100 days on average. One individual was followed during eight months and covered 7000 km, which represents the longest continuous individual survey for the species. Studied individuals first dispersed away from Antarctica, up to 54.7°S and 1250 km north of the pack-ice edge, in the Polar Frontal Zone. This highlighted a much looser association with sea ice and a greater at-sea range compared to previous knowledge on breeding adults. Juvenile penguins then moved southwards close to the extending pack-ice during autumn and winter. Over the survey duration, juveniles showed a contrasting use of marine habitats, with less mobility, less time underwater, and shallower dives (generally not over 50–100 m) in the pack ice, versus greater distances travelled, more time spent underwater, especially deeper than 100 m (up to 250–300 m) in open water. We discuss hypotheses which could explain the northward exodus of juvenile emperor penguins across contrasting habitats. [ABSTRACT FROM AUTHOR]

Published
2013
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83. WTO must ban harmful fisheries subsidies

Author

Gert van Santen, John M. Anderies, Donovan Campbell, Tyler D. Eddy, Omu Kakujaha-Matundu, Bryce D. Stewart, Marten Scheffer, Jessica Fanzo, Rowenna Gryba, F. Stuart Chapin, Denis Worlanyo Aheto, Katina Roumbedakis, Ibrahim Issifu, Gordon R. Munro, Shakuntala H. Thilsted, Ibukun Jacob Adewumi, Evgeny A. Pakhomov, Grant Murray, Jason F. Shogren, Unai Pascual, Satoshi Yamazaki, Margaret Spring, Carlos M. Duarte, Kathleen Segerson, U. Rashid Sumaila, Precious Agbeko Dzorgbe Mattah, Kyle Gillespie, Saleem Mustafa, Lan Xiao, Joshua Adotey, Frances Westley, Francis K. E. Nunoo, Frank Asche, Zuzy Anna, Boris Worm, D. R. Fraser Taylor, Diva J. Amon, Roshni S. Mangar, Cassandra M. Brooks, Frederik Noack, Brooks Kaiser, Nathan J. Bennett, William W. L. Cheung, Dwight Owens, S. Kim Juniper, Derek Armitage, Karly McMullen, Dawn Kotowicz, Enric Sala, Paul O. Onyango, Francis E. Asuquo, Kristin M. Kleisner, Monirul Islam, Juliano Palacios Abrantes, Tony Charles, Dana D. Miller, Sarah Harper, Louise S. L. Teh, Juan José Alava, Aurélien Paulmier, Jeremy B. C. Jackson, Santiago de la Puente, Colin W. Clark, Jennifer J. Silver, Robert Blasiak, Colette C. C. Wabnitz, Gretchen C. Daily, Lydia C. L. Teh, John A. List, Alessandro Tavoni, Philippe D. Tortell, Tabitha Mallory, Jaime Mendo, Amadou Tall, Essam Yassin Mohammed, Romola V. Thumbadoo, Kristen Hopewell, Rebecca R. Helm, Mauricio Castrejón, Elena M. Bennett, Jean-Baptiste Thiebot, Jorge Jimenez Ramon, Patrick Kimani, Gerald G. Singh, Kátia Meirelles Felizola Freire, Johannes A. Iitembu, Sara E. Cannon, Jorge Ramírez, Richard S.J. Tol, Evelyn Pinkerton, Andrew Forrest, Juan Camilo Cárdenas Campo, Sadique Isahaku, Dyhia Belhabib, Moenieba Isaacs, Laura G. Elsler, Alessandro Tagliabue, Tom Okey, Tessa Owens, Alex J. Caveen, José-María Da-Rocha, Isigi Kadagi, Hong Yang, Ekow Prah, Glenn-Marie Lange, Mary S. Wisz, Vicky W. L. Lam, Maartje Oostdijk, Daniel Pauly, Torsten Thiele, Michel J. Kaiser, Christina C. Hicks, Nancy C. Doubleday, Nicholas K. Dulvy, Line Gordon, Thomas L. Frölicher, Kwasi Appeaning Addo, Katherine Millage, Alfredo Giron-Nava, Heike K. Lotze, Lincoln Hood, Michelle Tigchelaar, Keita Abe, S. Karuaihe, Nancy Knowlton, Jessica A. Gephart, Noble K. Asare, Werner Antweiler, Christopher D. G. Harley, Kai M. A. Chan, Rodrigue Orobiyi Edéya Pèlèbè, Duncan Burnside, Sarah Glaser, Hussain Sinan, Garry D. Peterson, Olaf P. Jensen, Don Robadue, Mafaniso Hara, Sahir Advani, Andreea L. Cojocaru, Fiorenza Micheli, Gakushi Ishimura, Berchie Asiedu, Tu Nguyen, Mohammed Oyinlola, Lubna Alam, Maria A. Gasalla, Priscila F. M. Lopes, Mary Karumba, Austin J. Gallagher, Sufian Jusoh, Brian R. Copeland, Christopher M. Anderson, Alberta Jonah, Christopher D. Golden, Fabrice Stephenson, Douglas J. McCauley, Isaac Okyere, Jennifer Jacquet, Elke U. Weber, Benjamin S. Halpern, Olanike Kudirat Adeyemo, Neil Adger, Nina Wambiji, Kristina M. Gjerde, A. Eyiwunmi Falaye, Polina Orlov, Umi Muawanah, Trevor Church, Denise Breitburg, J. P. Walsh, Edward H. Allison, Cullen S. Hendrix, Curtis A. Suttle, Thuy Thi Thanh Pham, Cesar Bordehore, Michael Harte, Xavier Basurto, Carol McAusland, Rainer Froese, Adibi R. M. Nor, Anne-Sophie Crépin, Karen C. Seto, Abhipsita Das, Philippe Cury, Masahide Kaeriyama, Peter Freeman, Dacotah-Victoria Splichalova, Nobuyuki Yagi, Natalie C. Ban, Larry B. Crowder, Véronique Garçon, Amanda T. Lombard, Katie R. N. Florko, Nicolás Talloni-Álvarez, Riad Sultan, Lisa A. Levin, Mimi E. Lam, Evans K. Arizi, Richard T. Carson, Megan Bailey, Steven J. Lade, Zahidah Afrin, Dianne Newell, Shanta C. Barley, Colin Barnes, Villy Christensen, Dirk Zeller, Simon A. Levin, Kolliyil Sunil Mohamed, Marta Flotats Aviles, Jonathan D. R. Houghton, Daniel J. Skerritt, Karin E. Limburg, Meaghan Efford, Michael C. Melnychuk, Lanre Badmus, Sebastián Villasante, Carie Hoover, Evan Andrews, Daniel Peñalosa, Allison N. Cutting, Nathan Pacoureau, Melissa Walsh, Wisdom Akpalu, Kafayat Adetoun Fakoya, Ling Cao, Edward B. Barbier, Clare Fitzsimmons, Alex Rogers, Robert Arthur, Daniel Marszalec, Jean-Baptiste Jouffray, Carl Folke, Anna Schuhbauer, Mazlin Mokhtar, Juan Mayorga, Ingrid van Putten, S.L. Akintola, Stephen Polasky, Lance Morgan, Jesper Stage, Lucas Brotz, M. Selçuk Uzmanoğlu, Boris Dewitte, Ahmed Khan, Ernest Obeng Chuku, Veronica Relano, Nicholas Polunin, Griffin Carpenter, Virginie Bornarel, Max Troell, Bárbara Horta e Costa, Lian E. Kwong, Mairin C. M. Deith, Valérie Le Brenne, Dan Laffoley, Hugh Govan, Ronaldo Angelini, Juan Carlos Villaseñor-Derbez, Mark J. Gibbons, Ambre Soszynski, Ola Flaaten, Stella Williams, M. Nicole Chabi, S. R. Carpenter, Prateep Kumar Nayak, David Obura, Scott Barrett, Philippe Le Billon, Patrízia Raggi Abdallah, John J. Bohorquez, Adriana Rosa Carvalho, Andrés M. Cisneros-Montemayor, Paul R. Ehrlich, John Kurien, Juan Carlos Seijo, Dominique Benzaken, Brian Crawford, Callum M. Roberts, Gabriel Reygondeau, Xue Jin, Julia Adelsheim, Mohd Talib Latif, Annie Mejaes, Frank Meere, Jeffrey McLean, Jennifer Dianto Kemmerly, Henrik Österblom, Savior K. S. Deikumah, Tayler M. Clarke, Aart de Zeeuw, Frédéric Le Manach, Maria Grazia Pennino, Quentin A Hanich, David R. Boyd, Sumaila, U Rashid, Skerritt, Daniel J, Schuhbauer, Anna, Villasante, Sebastian, Cisneros-Montemayor, Andrés M, Sinan, Hussain, Burnside, Duncan, Abdallah, Patrízia Raggi, Abe, Keita, Addo, Kwasi A, Adelsheim, Julia, Adewumi, Ibukun J, Adeyemo, Olanike K, Adger, Neil, Adotey, Joshua, Advani, Sahir, Afrin, Zahidah, Aheto, Deni, Akintola, Shehu L, Akpalu, Wisdom, Alam, Lubna, Alava, Juan José, Allison, Edward H, Amon, Diva J, Anderies, John M, Anderson, Christopher M, Andrews, Evan, Angelini, Ronaldo, Anna, Zuzy, Antweiler, Werner, Arizi, Evans K, Armitage, Derek, Arthur, Robert I, Asare, Noble, Asche, Frank, Asiedu, Berchie, Asuquo, Franci, Badmus, Lanre, Bailey, Megan, Ban, Natalie, Barbier, Edward B, Barley, Shanta, Barnes, Colin, Barrett, Scott, Basurto, Xavier, Belhabib, Dyhia, Bennett, Elena, Bennett, Nathan J, Benzaken, Dominique, Blasiak, Robert, Bohorquez, John J, Bordehore, Cesar, Bornarel, Virginie, Boyd, David R, Breitburg, Denise, Brooks, Cassandra, Brotz, Luca, 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Subjects
0106 biological sciences, Aquatic Ecology and Water Quality Management, Multidisciplinary, WIMEK, 010504 meteorology & atmospheric sciences, Natural resource economics, 530 Physics, 010604 marine biology & hydrobiology, Subsidy, Aquatische Ecologie en Waterkwaliteitsbeheer, 01 natural sciences, WTO, fishery, subsidy, 13. Climate action, 550 Earth sciences & geology, SUBSÍDIOS, Life Science, 14. Life underwater, Business, 0105 earth and related environmental sciences
Abstract

Sustainably managed wild fisheries support food and nutritional security, livelihoods, and cultures (1). Harmful fisheries subsidies—government payments that incentivize overcapacity and lead to overfishing—undermine these benefits yet are increasing globally (2). World Trade Organization (WTO) members have a unique opportunity at their ministerial meeting in November to reach an agreement that eliminates harmful subsidies (3). We—a group of scientists spanning 46 countries and 6 continents—urge the WTO to make this commitment...

Published
2021
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