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Shiro TSUYUZAKI
Plant community ecology / Environmental conservation

Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

(Update on Oct. 10, 2008)

Pingo

Pingo

A pingo (small hill, inuit language) is a periglacial landform of earth-covered ice mound. Therefore the distribution is restricted in the Arctic, subarctic, and Antarctica. The size reaches < 70 metres heig and < 2 km wide.

Pingo in northeastern Siberia

Pingo
A pingo is cocvered by a coniferous forest. The pingo was observed along Kolyma River on July 16, 1995 (my birthday). The ground surface is covered with Sphagnum spp. that was frozen.

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References
  • permafrost
  • wetland (湿原)
  • Sento B (仙頭ボブ). 1996. ちょっと、ほんまにそれやんの? 北海道大学大学院 地球環境研究科 地圏環境科学専攻 地球雪氷学講座 修士論文(裏版)

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