A sense of place: pink salmon use a magnetic map for orientation
The use of ‘map-like’ information from the Earth's magnetic field for orientation has been shown in diverse taxa, but questions remain regarding the function of such maps. We used a ‘magnetic displacement’ experiment to demonstrate that juvenile pink salmon ( Oncorhynchus gorbuscha ) use magnet...
Published in: | Journal of Experimental Biology |
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fthighwire:oai:open-archive.highwire.org:jexbio:223/4/jeb218735 2023-05-15T17:52:51+02:00 A sense of place: pink salmon use a magnetic map for orientation Putman, Nathan F. Williams, Chase R. Gallagher, Evan P. Dittman, Andrew H. 2020-02-25 04:33:15.0 text/html http://jeb.biologists.org/cgi/content/short/223/4/jeb218735 https://doi.org/10.1242/jeb.218735 en eng The Company of Biologists Ltd http://jeb.biologists.org/cgi/content/short/223/4/jeb218735 http://dx.doi.org/10.1242/jeb.218735 Copyright (C) 2020, Company of Biologists SHORT COMMUNICATION TEXT 2020 fthighwire https://doi.org/10.1242/jeb.218735 2020-03-15T19:40:54Z The use of ‘map-like’ information from the Earth's magnetic field for orientation has been shown in diverse taxa, but questions remain regarding the function of such maps. We used a ‘magnetic displacement’ experiment to demonstrate that juvenile pink salmon ( Oncorhynchus gorbuscha ) use magnetic cues to orient. The experiment was designed to simultaneously explore whether their magnetic map is used to direct fish (i) homeward, (ii) toward the center of their broad oceanic range or (iii) along their oceanic migratory route. The headings adopted by these navigationally naive fish coincided remarkably well with the direction of the juveniles' migration inferred from historical tagging and catch data. This suggests that the large-scale movements of pink salmon across the North Pacific may be driven largely by their innate use of geomagnetic map cues. Key aspects of the oceanic ecology of pink salmon and other marine migrants might therefore be predicted from magnetic displacement experiments. Text Oncorhynchus gorbuscha Pink salmon HighWire Press (Stanford University) Pacific Journal of Experimental Biology |
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Open Polar |
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HighWire Press (Stanford University) |
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fthighwire |
language |
English |
topic |
SHORT COMMUNICATION |
spellingShingle |
SHORT COMMUNICATION Putman, Nathan F. Williams, Chase R. Gallagher, Evan P. Dittman, Andrew H. A sense of place: pink salmon use a magnetic map for orientation |
topic_facet |
SHORT COMMUNICATION |
description |
The use of ‘map-like’ information from the Earth's magnetic field for orientation has been shown in diverse taxa, but questions remain regarding the function of such maps. We used a ‘magnetic displacement’ experiment to demonstrate that juvenile pink salmon ( Oncorhynchus gorbuscha ) use magnetic cues to orient. The experiment was designed to simultaneously explore whether their magnetic map is used to direct fish (i) homeward, (ii) toward the center of their broad oceanic range or (iii) along their oceanic migratory route. The headings adopted by these navigationally naive fish coincided remarkably well with the direction of the juveniles' migration inferred from historical tagging and catch data. This suggests that the large-scale movements of pink salmon across the North Pacific may be driven largely by their innate use of geomagnetic map cues. Key aspects of the oceanic ecology of pink salmon and other marine migrants might therefore be predicted from magnetic displacement experiments. |
format |
Text |
author |
Putman, Nathan F. Williams, Chase R. Gallagher, Evan P. Dittman, Andrew H. |
author_facet |
Putman, Nathan F. Williams, Chase R. Gallagher, Evan P. Dittman, Andrew H. |
author_sort |
Putman, Nathan F. |
title |
A sense of place: pink salmon use a magnetic map for orientation |
title_short |
A sense of place: pink salmon use a magnetic map for orientation |
title_full |
A sense of place: pink salmon use a magnetic map for orientation |
title_fullStr |
A sense of place: pink salmon use a magnetic map for orientation |
title_full_unstemmed |
A sense of place: pink salmon use a magnetic map for orientation |
title_sort |
sense of place: pink salmon use a magnetic map for orientation |
publisher |
The Company of Biologists Ltd |
publishDate |
2020 |
url |
http://jeb.biologists.org/cgi/content/short/223/4/jeb218735 https://doi.org/10.1242/jeb.218735 |
geographic |
Pacific |
geographic_facet |
Pacific |
genre |
Oncorhynchus gorbuscha Pink salmon |
genre_facet |
Oncorhynchus gorbuscha Pink salmon |
op_relation |
http://jeb.biologists.org/cgi/content/short/223/4/jeb218735 http://dx.doi.org/10.1242/jeb.218735 |
op_rights |
Copyright (C) 2020, Company of Biologists |
op_doi |
https://doi.org/10.1242/jeb.218735 |
container_title |
Journal of Experimental Biology |
_version_ |
1766160581136482304 |