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<p>Microscopic fungi represent a significant yet poorly characterized component of atmospheric bioaerosols in polar regions. This review aims to provide a comprehensive overview of the diversity, ecology, and potential roles of fungi in the Arctic atmosphere, with particular focus on their ecological functions and implications for human health and infrastructure. Fungi contribute to atmospheric processes such as acting as cloud condensation nuclei and play a key role in the decomposition of organic matter under low-temperature conditions. The identification of potentially pathogenic species, as well as fungi capable of degrading construction materials, raises concerns about health and infrastructure, especially in light of growing human activity in the Arctic. The review highlights the urgent need for interdisciplinary research, particularly using molecular methods, to better understand the sources, dynamics, and functions of aeromycobiota in the context of ongoing climate change. To better understand the role of fungi in this part of the world, a series of aeromycological observations were also conducted in northern Iceland. During the study, 20 fungal taxa were found at concentrations of 140 and 147&#xa0;CFU/m<sup>3</sup>.</p>

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Impact of climate change and anthropogenic pressure on the diversity and roles of Arctic airborne fungi

  • 期刊论文

  • 发表日期：

    2026年4月29日

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  • Wojciech Pusz,
  • Katarzyna Patejuk,
  • Maciej Lipiński,
  • Ewa Przedpelska-Wąsowicz,
  • Guðríður Gyða Eyjólfsdóttir

摘要

Microscopic fungi represent a significant yet poorly characterized component of atmospheric bioaerosols in polar regions. This review aims to provide a comprehensive overview of the diversity, ecology, and potential roles of fungi in the Arctic atmosphere, with particular focus on their ecological functions and implications for human health and infrastructure. Fungi contribute to atmospheric processes such as acting as cloud condensation nuclei and play a key role in the decomposition of organic matter under low-temperature conditions. The identification of potentially pathogenic species, as well as fungi capable of degrading construction materials, raises concerns about health and infrastructure, especially in light of growing human activity in the Arctic. The review highlights the urgent need for interdisciplinary research, particularly using molecular methods, to better understand the sources, dynamics, and functions of aeromycobiota in the context of ongoing climate change. To better understand the role of fungi in this part of the world, a series of aeromycological observations were also conducted in northern Iceland. During the study, 20 fungal taxa were found at concentrations of 140 and 147 CFU/m3.