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Publisher's Note: Error in the text.

Posted by PLOS_ONE_Group on 07 May 2012 at 20:04 GMT

We found in this study that in 2004, 97% (88–98% CI) of spawning adults on the Mokelumne River were of hatchery origin.

There was an error in the fourth sentence of the sixth paragraph of the Discussion. The correct text is, "We found in this study that in 2004, 95.9% (CI= 90.7 to 99.3%) of spawning adults in the Mokelumne River watershed were of hatchery origin."

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