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Seaweed Commons
Green seaweedWild harvested

Sea Lettuce

Ulva lactuca

A bright green, sheet-like seaweed common throughout BC's intertidal and subtidal zones. High in protein, vitamins, and minerals. Used as food and as a feed ingredient. Considered a weed species in some aquaculture contexts. Interest in cultivation for integrated multi-trophic aquaculture (IMTA) is growing.

Type

Green seaweed

Harvest season

Spring – summer

Production method

Wild harvested

Market applications

Human foodAnimal feedFertilizerIMTA

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