San Diego scientists are pioneering a new way to measure the strength of the smallest creatures and plants in the ocean.
Sardines clump together in a school of the small fish in the Gulf of California in this undated photo
Tools developed for genetic research are giving oceanographers a better glance at the diversity of the microscopic parts that make up the ocean’s basic food web. Scripps Institution of Oceanography’s Chase James calls the technique meta-barcoding. Researchers take samples, filter them, then scan them for DNA from microscopic plants and animals.
“If you ever work in a grocery store and you’re making sure you’re taking stock of the inventory, you would go around and scan all the barcodes in the grocery store, right?” said James, a graduate student at the Scripps Institution of Oceanography and the study’s lead author. “And that’s basically what we’re doing, but in the ocean.”
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