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One hundred pressing questions on the future of global fish migration science, conservation, and policy.

Lennox, Robert J. and Paukert, Craig P. and Aarestrup, Kim and Auger-Methe, Marie and Baumgartner, Lee and Birnie-Gauvin, Kim and Boe, Kristin and Brink, Kerry and Brownscombe, Jacob W. and Chen, Yushun and Davidsen, Jan G. and Eliason, Erika J. and Filous, Alexander and Gillanders, Bronwyn M. and Helland, Ingeborg Palm and Horodysky, Andrij Z. and Januchowski-Hartley, Stephanie R. and Lowerre-Barbieri, Susan K. and Lucas, Martyn C. and Martins, Eduardo G. and Murchie, Karen J. and Pompeu, Paulo S. and Power, Michael and Raghavan, Rajeev and Rahel, Frank J. and Secor, David and Thiem, Jason D. and Thorstad, Eva B. and Ueda, Hiroshi and Whoriskey, Frederick G. and Cooke, Steven J. (2019) 'One hundred pressing questions on the future of global fish migration science, conservation, and policy.', Frontiers in ecology and evolution., 7 . p. 286.


Migration is a widespread but highly diverse component of many animal life histories. Fish migrate throughout the world's oceans, within lakes and rivers, and between the two realms, transporting matter, energy, and other species (e.g., microbes) across boundaries. Migration is therefore a process responsible for myriad ecosystem services. Many human populations depend on the presence of predictable migrations of fish for their subsistence and livelihoods. Although much research has focused on fish migration, many questions remain in our rapidly changing world. We assembled a diverse team of fundamental and applied scientists who study fish migrations in marine and freshwater environments to identify pressing unanswered questions. Our exercise revealed questions within themes related to understanding the migrating individual's internal state, navigational mechanisms, locomotor capabilities, external drivers of migration, the threats confronting migratory fish including climate change, and the role of migration. In addition, we identified key requirements for aquatic animal management, restoration, policy, and governance. Lessons revealed included the difficulties in generalizing among species and populations, and in understanding the levels of connectivity facilitated by migrating fishes. We conclude by identifying priority research needed for assuring a sustainable future for migratory fishes.

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Publisher statement:© 2019 Lennox, Paukert, Aarestrup, Auger-Méthé, Baumgartner, Birnie-Gauvin, Bøe, Brink, Brownscombe, Chen, Davidsen, Eliason, Filous, Gillanders, Helland, Horodysky, Januchowski-Hartley, Lowerre-Barbieri, Lucas, Martins, Murchie, Pompeu, Power, Raghavan, Rahel, Secor, Thiem, Thorstad, Ueda, Whoriskey and Cooke. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
Date accepted:15 July 2019
Date deposited:20 August 2019
Date of first online publication:19 August 2019
Date first made open access:20 August 2019

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