Study on the bioavailability of iron in sea ice

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Other Title
  • 海氷に含まれる鉄の生物利用能に関する研究

Abstract

Much research in recent years has focused on the iron in sea ice because extent of sea ice in the polar ocean is declining due to global warming. The melting of sea ice has been shown to be an important process for supplying iron to the oceans. To better understand the bioavailability of iron in sea ice, we performed field observations, phytoplankton incubation experiments, and dissolution experiments of particulate iron in sea ice. The incubation experiments demonstrated that phytoplankton grew by utilizing particle iron in sea ice. The dissolution experiments have revealed that some of the particle iron in sea ice can be leached into seawater. These results contribute to our understanding of the mechanism of phytoplankton bloom formation during the melting of sea ice.

Journal

  • 低温科学

    低温科学 82 93-101, 2024-03-29

    低温科学第82巻編集委員会

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