Kelp restoration is gaining ground on the North Coast. A super El Niño could test it.

by Elise Cox

Off the Mendocino Coast where crews are actively restoring bull kelp, reefs are recovering faster than nearby reefs left alone. Researchers told a KelpFest! audience Saturday that kelp canopy at Big River, kelp canopy jumped more than 900% between its 2023 low and fall 2025, bringing it back near 2022 levels. Noyo Harbor reached its historical kelp levels a full year before its control site. And despite warming waters this past summer, researchers said they were glad the restored kelp did not lose ground. 

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