Predicted hotspots of overlap between highly migratory fishes and industrial fishing fleets in the northeast Pacific

Timothy D White; Francesco Ferretti; David A Kroodsma; Elliott L Hazen; Aaron B Carlisle; Kylie L Scales; Steven J Bograd; Barbara A Block

doi:10.1126/sciadv.aau3761

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Predicted hotspots of overlap between highly migratory fishes and industrial fishing fleets in the northeast Pacific

Journal article

Open access

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Predicted hotspots of overlap between highly migratory fishes and industrial fishing fleets in the northeast Pacific

Timothy D White, Francesco Ferretti, David A Kroodsma, Elliott L Hazen, Aaron B Carlisle, Kylie L Scales, Steven J Bograd and Barbara A Block

Science Advances, Vol.5(3), eaau3761

2019

DOI: https://doi.org/10.1126/sciadv.aau3761

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Abstract

Many species of sharks and some tunas are threatened by overexploitation, yet the degree of overlap between industrial fisheries and pelagic fishes remains poorly understood. Using satellite tracks from 933 industrial fishing vessels and predictive habitat models from 876 electronic tags deployed on seven shark and tuna species, we developed fishing effort maps across the northeast Pacific Ocean and assessed overlap with core habitats of pelagic fishes. Up to 35% of species' core habitats overlapped with fishing effort. We identified overlap hotspots along the North American shelf, the equatorial Pacific, and the subtropical gyre. Results indicate where species require international conservation efforts and effective management within national waters. Only five national fleets (Mexico, Taiwan, China, Japan, and the United States) account for >90% of overlap with core habitats of our focal sharks and tunas on the high seas. These results inform global negotiations to achieve sustainability on the high seas.

Details

Title: Predicted hotspots of overlap between highly migratory fishes and industrial fishing fleets in the northeast Pacific
Authors: Timothy D White (Author) - Stanford University, United States
Francesco Ferretti (Author) - Stanford University, United States
David A Kroodsma (Author) - Global Fishing Watch, United States
Elliott L Hazen (Author) - University of California, United States
Aaron B Carlisle (Author) - University of Delaware, United States
Kylie L Scales (Author) - University of the Sunshine Coast - School of Science & Engineering
Steven J Bograd (Author) - University of California, United States
Barbara A Block (Author) - Stanford University, United States
Publication details: Science Advances, Vol.5(3), eaau3761; 11
Publisher: American Association for the Advancement of Science
Date published: 2019
DOI: 10.1126/sciadv.aau3761
ISSN: 2375-2548
Copyright note: Copyright © 2019 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).
Organisation Unit: School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
Language: English
Record Identifier: 99450614402621
Output Type: Journal article

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Web Of Science research areas: Multidisciplinary Sciences

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