Wednesday, April 12, 2017 6:10 PM
Fish tracked from DNA 'finprints' left in waters off New York
By Environment Correspondent Alister Doyle OSLO (Reuters) - Scientists have tracked fish off New York by following the traces of DNA left in the water, a technique that could help gauge life in rivers, lakes and the oceans around the world, a study showed on Wednesday. Fish leave bits of slimy skin, scales and excretions as they swim around - clues that let scientists detect 42 different species of fish including herring, bass and eels in water drawn from the Hudson and East Rivers off Manhattan, it said. "Rather than get a big boat and a big net ...
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