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

Robert J Lennox, Craig Paukert, Kim Aarestrup, Marie Auger-Methe, Lee Baumgartner, Kim Birnie-Gauvin, Kristin Bøe, Kerry Brink, Jacob Brownscombe, Yushun Chen, Jan Grimsrud Davidsen, Erika Eliason, Alex Filous, Bronwyn Gillanders, Ingeborg Helland, Andrij Horodysky, Stephanie Renee Januchowski-Hartley, Sue Katherine Lowerre-Barbieri, Martyn Lucas, Eduardo MartinsKaren Murchie, Paulo Pompeu, Michael Power, Rajeev Raghavan, Frank Rahel, David Secor, Jason Thiem, Eva B. Thorstad, Hiroshi Ueda, Frederick Gilbert Whoriskey, Steven Cooke

    Research output: Contribution to journalReview articlepeer-review

    37 Citations (Scopus)
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    Abstract

    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.
    Original languageEnglish
    Article number286
    Pages (from-to)1-16
    Number of pages16
    JournalFrontiers in Ecology and Evolution
    Volume7
    Early online date19 Aug 2019
    DOIs
    Publication statusPublished - 19 Aug 2019

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