Choked Up: How dead zones affect fish reproduction | Science News

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Choked Up: How dead zones affect fish reproduction

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11:15am, November 10, 2004

Several U.S. research teams report reproductive problems in Gulf Coast fish that periodically encounter oxygen at concentrations as low as those in so-called dead zones (SN: 6/5/04, p. 360: Dead Waters). Two teams have also turned up gene changes that may underlie the diminished, less productive gonads found in these fish.

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