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Genetic flotsam offers clues to ocean biodiversity

from Scientific American

When scientists want to know what life-forms live in deep water, they have to send submersibles or cast nets and grabs hung from long cables. These methods are expensive, however, and they offer only a hint of the biodiversity hidden far below the waves. "In the deep sea," says John Bickham of Battelle Memorial Institute, "we're back in the 1700s. We have no idea what's out there." On land, genetic methods revolutionized bacterial taxonomy and expanded the world’s count of mammal species. more

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