The motley crew of scientists, conservationists, and agricultural producers set out to begin in earnest. Spring was well underway in Hood Canal, Washington when the team assembled on the shores of Baywater Shellfish Farm, armed with buckets. Before them, floating mats of seaweed were strewn about, bright green clumps suffocating clams, geoducks, and other intertidal creatures while swallowing the gear laid out to harvest them.

Excess seaweed is a seasonal nuisance along the bays and inlets that twine throughout Puget Sound. But the issue has magnified as excess nutrient runoff has fueled sprawling blooms. It has become a bona fide threat to the business of Washington shellfish farmers like Joth Davis.

In the past, Davis has attempted to harvest the seaweed by hand to reduce the surging n

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