中国地方の湿原堆積物の花粉分析学的研究 : IV.枕湿原(広島県)

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書誌事項

タイトル別名
  • POLLEN ANALYSIS STUDIES OF MOOR SEDIMENTS IN CHUGOKU, JAPAN : IV. MAKURA MOOR (HIROSHIMA PREF.)
  • 中国地方の湿原堆積物の花粉分析学的研究-4-枕湿原(広島県)
  • チュウゴク チホウ ノ シツゲン タイセキブツ ノ カフン ブンセキガクテキ

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抄録

Makura moor is situated at the place of 720 m above sea level at Geihoku-cho within the Chugoku Mountains, in the northern part of Hiroshima Prefecture. From the results of pollen analysis, four major vegetational changes for approximately the last 10,000 years were recognized in the pollen diagram from the bottom to the surface. 1. Tsuga, Pinus (Haploxylon type), Picea, Betula stage (190-170 cm, 10,000-9,000yr B.P.) (R-I zone). 2. Cyclobalanopsis, Lepidobalanus, Alnus stage (170-80 cm, 9,000-4,000yr B.P.) (R-II zone) 3. Lepidobalanus, Cyclobalanopsis, Alnus stage (80-60cm, 4,000-1,500yr B.P.) (R-IIIa zone) 4. Pinus (Diploxylon type), Cryptomeria, Lepidobalanus stage (60-0 cm, after 1,500yr B.P.) (R-IIIb zone) The vegetational history can be regarded as the common one for the period from the postglacial age to the present time in the Chugoku Mountains, with one exception of Cryptomeria, the number of pollen of which is included in low percentage in the second and third stage compared with the results of another moors, such as Yawata moor, Sugawara moor, Kabosaka moor and etc.

収録刊行物

  • 日本生態学会誌

    日本生態学会誌 27 (4), 285-290, 1977

    一般社団法人 日本生態学会

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