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Get Free AccessSignificance Global vessel traffic is increasing alongside world economic growth. The potential for rising lethal ship strikes on endangered species of marine megafauna, such as the plankton-feeding whale shark, remains poorly understood since areas of highest overlap are seldom determined across an entire species range. Here we show how satellite tracking whale sharks and large vessel movements globally provides a means to localize high-overlap areas and to determine how collision risk changes in time. Our results point to potential high levels of undetected or unreported ship strikes, which may explain why whale shark populations continue to decline despite protection and low fishing-induced mortality. Collision mitigations in high-collision-risk areas appear necessary to help conserve this iconic species.
Freya C. Womersley, Nicolas E. Humphries, Nuno Queiroz, Marisa Vedor, Ivo da Costa, Miguel Furtado, John P. Tyminski, Kátya G. Abrantes, Gonzalo Araújo, Steffen Bach, Adam Barnett, Michael L. Berumen, Sandra Bessudo Lion, Camrin D. Braun, Elizabeth Clingham, Jesse E. M. Cochran, Rafael de la Parra, Stella Diamant, Alistair D. M. Dove, Christine L. Dudgeon, Mark V. Erdmann, Eduardo Espinoza, Richard Fitzpatrick, Jaime González Cano, Jonathan R. Green, Héctor M. Guzmán, Royale S. Hardenstine, Abdi Hasan, Fábio Hissa Vieira Hazin, Alex Hearn, Robert E. Hueter, Mohammed Y. Jaidah, Jessica Labaja, Felipe Ladino, Bruno C. L. Macena, John Morris, Bradley M. Norman, César Peñaherrera‐Palma, Simon J. Pierce, Lina Maria Quintero, Deni Ramírez‐Macías, Samantha Reynolds, Anthony J. Richardson, David P. Robinson, Christoph A. Rohner, David Rowat, Marcus Sheaves, Mahmood S. Shivji, Abraham B. Sianipar, Gregory B. Skomal, Germán Soler, Ismail Syakurachman, Simon R. Thorrold, D. Harry Webb, Bradley M. Wetherbee, Timothy D. White, Tyler Clavelle, David A. Kroodsma, Michele Thums, Luciana C. Ferreira, Mark G. Meekan, Lucy M. Arrowsmith, Emily Lester, Megan Meyers, Lauren R. Peel, Ana M. M. Sequeira, Victor M. Eguı́luz, Carlos M. Duarte, David Sims (2022). Global collision-risk hotspots of marine traffic and the world’s largest fish, the whale shark. , 119(20), DOI: https://doi.org/10.1073/pnas.2117440119.
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Type
Article
Year
2022
Authors
69
Datasets
0
Total Files
0
Language
en
DOI
https://doi.org/10.1073/pnas.2117440119
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