After a massive toxic algae bloom closed lucrative shellfish fisheries off the West Coast last year, scientists are turning to a new tool that could provide an early warning of future problems.
Scientists at the National Oceanic and Atmospheric Administration and the University of Washington last week deployed the so-called ocean robot about 50 feet into waters off the coast of La Push, Washington, near a known hotspot for toxic algae blooms.
The tool, dubbed “a laboratory in a can,” will remain in the water until mid-July, providing real-time measurements about the concentrations of six species of microscopic algae and toxins they produce, including domoic acid.
The instrument is equipped with sensors and cellular modems that will allow it to take water samples and send that information to shore three times a week for the next several weeks. Scientists plan to deploy it again in the fall, another critical time for harmful algae blooms.
Last year, dangerous levels of domoic acid were found in shellfish and prompted California, Washington and Oregon to delay its coastal Dungeness crabbing season. Washington and Oregon also canceled razor clam digs for much of the year.