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Last month scientists deployed two Environmental Sample Processors, two research vessels, five autonomous underwater vehicles, and five drifters in the ocean around San Pedro Bay, off Southern California, seeking signs of harmful algal blooms (HABs). Not long after deployment, this high-tech armada detected a large phytoplankton bloom that included the diatom Pseudo-nitzschia and its toxin, domoic acid. The instrument array made it possible to determine that the bloom was initiated by a diatom seed population residing in a deeper water layer offshore. [Source: National Centers for Coastal Ocean Science]
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