福島県南部・矢の原湿原堆積物の花粉分析による最終氷期の植生変遷

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概要

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• This paper describes the palynological study of a core from Yanohara Bog, Fukushima Prefecture, northeastern Japan. Four marker tephras laid down during the Last Glacial Period are recognized in the core: Pm-1, Aso-4, DKP, and AT.The pollen diagram obtained is divided into five pollen zones. The ages of the boundaries between the pollen zones are calculated from the depositional rate of the marker tephra. YH-I (about 8-5.7m.y.B.P.) corresponds to the early Last Glacial Age. Both YH-IIa (about 5.7-5.0m.y.B.P.) and YH-IV(2.6-1.4m.y.B.P.) correspond to cold stages. YH-V corresponds the Holocene.It is clear that there were two cold stages and one relatively warm stage during the Last Glacial Period. From pollen analytical data, it is found that the earlier cold stage(YH-IIa) was colder to than the later stage(YH-IV).

• 日本第四紀学会の論文

著者

• 叶内 敦子

  明治大学地理学研究室

関連論文

• 八丈島, 西山山頂湿原における湿原堆積物の花粉分析
• 福島県南部・矢の原湿原堆積物の花粉分析による最終氷期の植生変遷

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