Ocean robots take the pulse of our planet by measuring microbes
by Stephanie De Marco, Los Angeles Times
Sep 20, 2019
4 minutes
It looks like a trashcan bobbing in the waters off the California coast. But it's hardly garbage. In fact, it may play a key role in monitoring the health of our oceans.
The vital signs? The health of the seas' smallest residents - phytoplankton.
From diatoms encased in glass to dinoflagellates that can cause toxic algae blooms, phytoplankton are a diverse group of algae that live in the ocean. They serve as the base of the ocean food chain and are responsible for cycling nutrients in the water and producing oxygen through photosynthesis.
"One out of every two breaths of oxygen that you
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