Collective Behavior

The migrations of salmon are one of the great wonders of the natural world. To date, most of our understanding of how and why salmon migrate has been focused on individuals, despite knowing that salmon move in groups. Recently, members of the SEEC Lab have been at the leading edge to show that social interactions between individuals likely plays a fundamental role in the homeward and seaward migration in anadromous salmonids. 

Select SEEC Lab Papers

Okasaki, C., M.L. Keefer, P.A.H. Westley, and A.M. Berdahl. 2020. Collective navigation can facilitate passage through human-made barriers by homeward migrating Pacific salmon. Proceedings of the Royal Society B 287:20202137.

Westley, P.A.H, A.M. Berdahl, C.J. Torney, and D. Biro. 2018. Collective movement in ecology: from emerging technologies to conservation and management. Philosophical Transactions B 373: 20170004.

Berdahl, A., P.A.H. Westley, S. Levin, I. Couzin, and T.P. Quinn. 2016. A collective navigation hypothesis for homeward migration in anadromous salmonids. Fish and Fisheries 17: 525-542.

Berdahl, A., P.A.H. Westley, and T. P. Quinn. 2017. Social interactions shape the timing of spawning migrations in an anadromous fish. Animal Behaviour 126:221-229.

College of Fisheries and Ocean Sciences

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Artwork in SEEC Logo copyrighted and used with permission from Ray Troll and designed by Karen Lybrand.