Tuesday 14th July 2020
Tuesday, 14th of July 2020
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DNA presence in water enhances monitoring of fish migration

Fish migration

For the first time, scientists have recorded a spring fish migration simply by conducting DNA tests on water samples. “Environmental DNA” (eDNA), strained from one-litre (quart) samples drawn weekly from New York’s East and Hudson Rivers over six months last year, revealed the presence or absence of several key fish species passing through the water on each test day. The ...

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