Vegetation history after the late period of the Last Glacial Age based on phytolith records in Nangodani Valley basin, southern part of the Aso caldera, Japan

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  • Yasuo Miyabuchi
    Faculty of Advanced Science and Technology Kumamoto University, Kurokami 2‐40‐1, Chuo‐ku Kumamoto 860‐8555 Japan
  • Shinji Sugiyama
    Paleoenvironment Research Center, Co., Ltd., 1391‐3 Akae Miyazaki 880‐0912 Japan

書誌事項

公開日
2019-11-10
資源種別
journal article
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1002/jqs.3153
公開者
Wiley

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<jats:title>ABSTRACT</jats:title><jats:p>Vegetation history after the late period of the Last Glacial Age has been reconstructed using phytolith records obtained from three tephra sections in the Nangodani Valley basin, southern part of the Aso caldera, south‐west Japan. The topography of the Nangodani Valley basin is divided into three types: somma (caldera rim and wall), caldera floor (central valley) and post‐caldera central cone slope. The vegetation transitions after the late period of the Last Glacial Age in the basin vary between these topographic types. The differences can be explained based on human activities in the valley basin. Grassland dominated by <jats:italic>Sasa</jats:italic> and <jats:italic>Pleioblastus</jats:italic> dwarf bamboos (before 8 ka) and <jats:italic>Miscanthus</jats:italic> and other Andropogoneae pampas grasses (after 8 ka) occurred in the central valley and on the post‐caldera central cone slope, which were strongly affected by human activities including a long period of burning. In contrast, forest with an understory of Bambusoideae plants was preserved on the caldera rim and wall, which was inaccessible because of its steep topography, during the Holocene.</jats:p>

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