Seaweed farming offers benefits, but regulatory gaps pose ecological risks

By John Driscoll, Adjunct Professor, University of British Columbia
Edward Gregr, Adjunct Professor, Institute for Resources, Environment and Sustainability, University of British Columbia

From sea lettuce adorning tidal pools and bull kelp left in windrows at the high tide line to towering underwater forests of giant kelp providing refuge and food for countless species, British Columbia’s seaweeds are both ubiquitously prominent along shorelines as well as hidden from sight in the deep.

With iconic species like salmon, whales and bears dominating popular attention and imagination, B.C.’s seaweeds are often easy to overlook. Now, however, the province’s suitability for growing seaweed is attracting attention at a time when seaweed…

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