秋田県の低地における完新世後半の花粉群集

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概要

• 論文の詳細を見る

• The late Holocene deposits in the lowlands are subdivided into three regional pollen assemblage zones, i. e. Quercus-Fagus zone, Cryptomeria-Fagus-Quercus zone, and Pinus zone in ascending order, based on the occurrences of the regional temperate trees. The ages for the base of each zone are older than ca 6, 000y. B. P. for the lower, 2, 700-2, 000 radiocarbon y. B. P. for the middle, and ca 1, 000y. B. P. for the upper. From a comparison with the previous studies on the mountainlands, it suggests that Cryptomeria and Pinus have spread mainly in the lowlands, and these have not made an striking invarsion upon the Fagus forests in the mountainlands.

• 東北地理学会の論文

著者

• 辻 誠一郎

  大阪市立大学理学部生物学教室

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