I keep wondering how the following information can help us find more salmon on lake michigan, especially when we don't have any streams for spawning fish?a new study recently published in the journal current biology by oregon state university researchers indicates migrating salmon utilize the earth's magnetic field to navigate across thousands of miles of open ocean to locate their river of origin before journeying upstream to spawn.
updated: 2/20/2013 6:21 PM
Salmon study lacks local focus
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