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Phytoplankton of the Northwest U.S. Shelf Ecosystem

Microscopic algae known as phytoplankton are the base of most marine food webs. Phytoplankton contain chlorophyll which is used to capture sunlight and convert carbon dioxide and water into oxygen and carbohydrates.

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NOAA Ship Bell M. Shimada during 2010 Pacific Hake Inter-Vessel Calibration off Eureka, CA NOAA Ship Bell M. Shimada during 2010 Pacific Hake Inter-Vessel Calibration off Eureka, California. Credit: NOAA