Citeable URL: https://ir.library.oregonstate.edu/concern/articles/7d278v739

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Attribute Name	Values
Creator	Putman, Nathan F. Meinke, Amanda M. Noakes, David L. G.
Abstract	We used simulated magnetic displacements to test orientation preferences of juvenile steelhead trout (Oncorhynchus mykiss) exposed to magnetic fields existing at the northernmost and southernmost boundaries of their oceanic range. Fish reared in natural magnetic conditions distinguished between these two fields by orienting in opposite directions, with headings that would lead fish towards marine foraging grounds. However, fish reared in a spatially distorted magnetic field failed to distinguish between the experimental fields and were randomly oriented. The non-uniform field in which fish were reared is probably typical of fields that many hatchery fish encounter due to magnetic distortions associated with the infrastructure of aquaculture. Given that the reduced navigational abilities we observed could negatively influence marine survival, homing ability and hatchery efficiency, we recommend further study on the implications of rearing salmonids in unnatural magnetic fields.
Resource Type	Article
DOI	10.1098/rsbl.2014.0169
Date Available	2014-10-24T15:59:55+00:00
Date Issued	2014-06
Citation	Putman, N. F., Meinke, A. M., & Noakes, D. L. G. (2014). Rearing in a distorted magnetic field disrupts the ‘map sense’ of juvenile steelhead trout. Biology Letters, 10(6), 20140169. doi:10.1098/rsbl.2014.0169
Journal Title	Biology Letters
Series	Vol. 10 no. 6 Biology Letters
Keyword	magnetic map navigation trout salmon
Rights Statement	Copyright Not Evaluated
Funding Statement (additional comments about funding)	Financial support of this study was provided by Oregon Sea Grant and the Oregon Department of Fish and Wildlife.
Publisher	Royal Society
Peer Reviewed	Yes
Language	English [eng]
Replaces	http://hdl.handle.net/1957/53245
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