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Press Release 10-106
Scientists Discover Source of Essential Nutrients for Open-Ocean Algae

Algae obtain nitrate from deep waters 250 meters beneath the surface

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Illustration showing how algae in surface waters depends on deep water nitrate.

Microscopic algae in surface waters depend on nitrate, only available in deep waters.

Credit: Kim Fulton-Bennett, MBARI


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Photo of fish and a kelp forest.

Monterey Bay's kelp forests and many other ocean ecosystems are sustained by microalgae.

Credit: NOAA


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Photo of scientists testing an Apex float with a nitrate sensor in Monterey Bay, Calif.

Scientists test an Apex float with a nitrate sensor in Monterey Bay, Calif.

Credit: Ken Johnson/MBARI


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Photo of Ken Johnson and another scientist with an Apex float going for a test dive in Monterey Bay.

Ken Johnson and other scientists with an Apex float going for a test dive in Monterey Bay.

Credit: Hans Jannasch, MBARI


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