最終氷期の終えんと縄文文化の成立・展開　　最終氷期最盛期頃の植生の空間構造

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タイトル別名
  • Termination of Last Glacial Period and the Formation and Development of Jomon Culture in Japan. Vegetational Structure around the Last Glacial Maximum in Japan.
  • サイシュウ ヒョウキ サイセイキ ゴロ ノ ショクセイ ノ クウカン コウゾウ

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Wood fossils or plant macrofossils from buried forest or autochthonous peat reflect the local vegetation of the sedimentary basin. When common pollen occurrence is combined with the absence of wood fossils or plant macrofossils at a site, it reflects the mountain vegetation surrounding the sedimentary basin. Vegetational structure around the Last Glacial Maximum is reconstructed with such methods. At Itai-Teragatani Site, Hyogo Prefecture, central Japan, small stands of Picea sect. Picea, Betula and Alnus are distributed in the marsh with Cyperaceae and Lysichiton in lowlands. Pinus subgen. Haploxylon including Pinus parviflora, and Quercus subgenus Quercus are growing in the surrounding mountains. At Tomisawa Site, Miyagi Prefecture, northern Japan, Larix and Picea are growing in the Cyperaceae marsh in the lowland, while Pinus subgenus Haploxylon and Corylus are growing in the surrounding mountains. Grasslands are enlarged in various places, but their extent is not clear. Plant species which compose the vegetation have changed their physiology, ecology and morphology in response to the glacial-interglacial change; so the physiology or ecology of the modern species cannot easily be applied to the glacial taxa. The possibility that the plants were used as food by the Pleistocene people should be keep in mind.

収録刊行物

  • 第四紀研究

    第四紀研究 36 (5), 301-308, 1997

    日本第四紀学会

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