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Published online 5 March 2008 | Nature 452, 24-26 (2008) | doi:10.1038/452024a

News Feature

Oceanography: Red tide rising

Algal blooms can make life miserable for coastal dwellers and wreak havoc on marine ecosystems. Mark Schrope reports on Florida's efforts to predict these red tides.

On 3 January 2005, a fisherman working 25 kilometres off the southwest coast of Florida noticed that the baitfish in his seawater tank were spinning and dying. He had seen this strange behaviour before, and knew that it meant more than just a ruined fishing trip.

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