Diatom Traps Excess Carbon In Ocean

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Bowler's team has demonstrated that when iron deficiency occurs processes such as photosynthesis and nitrogen assimilation are suppressed. Other studies, which hail diatoms as champions in capturing carbon dioxide, suggest a bold strategy of using iron as a fertilizer to provoke massive diatom blooms. "Once they have feasted, the weight of their silicon shells, which resemble glass, causes the diatoms to sink to the bottom of the ocean when they die, and the carbon that they assimilated is trapped there for millennia," says Bowler. "By sequestering carbon in this way we could reverse the damage from the burning of fossil fuels."

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