Ordinarily, when biologists want to know what kinds of fish are migrating through the local waters, they have to do fishnet trawls. Not only is this approach labor-intensive, but it's also stressful for the fish that get netted and released. According to scientists at New York's Rockefeller University, however, there may be an easier and more fish-friendly alternative: just look for the animals' DNA in water samples.
.. Continue Reading Fish migration tracked via DNA in the waterCategory: Biology
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