Supplementary material from "Geomagnetic field influences upward movement of young Chinook salmon emerging from nests"

Posted on 24.01.2018 - 14:08
Organisms use a variety of environmental cues to orient their movements in three-dimensional space. Here, we show that the upward movement of young Chinook salmon (Oncorhynchus tshawytscha) emerging from gravel nests is influenced by the geomagnetic field. Fish in the ambient geomagnetic field travelled farther upwards through substrate than did fish tested in a field with the vertical component inverted. This suggests that the magnetic field is one of several factors that influences emergence from the gravel, possibly by serving as an orientation cue that helps fish determine which way is up. Moreover, our work indicates that the Oncorhynchus species are sensitive to the magnetic field throughout their life cycle, and that it guides their movements across a range of spatial scales and habitats.

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Putman, Nathan F.; Scanlan, Michelle M.; Pollock, Amanda M.; O'Neil, Joseph P.; Couture, Ryan B.; Stoner, Joseph S.; et al. (2018): Supplementary material from "Geomagnetic field influences upward movement of young Chinook salmon emerging from nests". The Royal Society. Collection. https://doi.org/10.6084/m9.figshare.c.3985314.v1
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Biology Letters

AUTHORS (9)

Nathan F. Putman
Michelle M. Scanlan
Amanda M. Pollock
Joseph P. O'Neil
Ryan B. Couture
Joseph S. Stoner
Thomas P. Quinn
Kenneth J. Lohmann
David L. G. Noakes
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