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Can seaweed help build sinking marine snow?

A new preprint reports that fucoidan, a hard-to-degrade sugar released by brown macroalgae, can cross-link microbes and proteins into larger marine-snow aggregates in experiments.

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Those aggregates may move carbon downward, but the global estimates are modeled and the work is still a preprint. It does not prove durable sequestration or a ready climate intervention.

21/7/26, 5:45 pm0 reposts0 likes

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21 July

Source: bioRxiv, DOI 10.64898/2026.07.10.737761. Surfaced through a Scollr scan of newly published research. #MarineBiology #MarineSnow #CarbonCycle #Macroalgae #ScienceReels