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Paleoenvironmental Analysis in Late Cenozoic Era of Kyushu.

Research Project

Project/Area Number 01540646
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field Stratigraphy/Paleontology
Research InstitutionKumamoto University

Principal Investigator

HASE Yoshitaka  Kumamoto University Faculty of General Education Assistant Professor, 教養部, 助教授 (40040109)

Co-Investigator(Kenkyū-buntansha) ODA Motoyoshi  Kumamoto University Faculty of Science Assistant Professor, 理学部, 助教授 (60108454)
IWASAKI Yasuhide  Kumamoto University Faculty of Science Professor, 理学部, 教授 (40013750)
MURATA Masafumi  Kumamoto University Faculty of Science Professor, 理学部, 教授 (00004309)
Project Period (FY) 1989 – 1990
Project Status Completed (Fiscal Year 1990)
Budget Amount *help
¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 1990: ¥500,000 (Direct Cost: ¥500,000)
Keywordslate Cenozoic Era / fossil floras / Kyushu / climatic change / lacustrine sediments / paleovegetation / Toriyamahama Formation / Miyazaki Group / フロ-ラ / 大型植物化石 / 花粉化石 / 浮遊性有孔虫 / 放射年代 / 植生 / 九州後期新生代堆積層 / 熊本平野沖積層 / 阿蘇カルデラ内堆積層 / 玖珠盆地 / 人吉盆地 / 植物化石 / 植生変遷 / 気候変化
Research Abstract

Fossil floras from the late Cenozoic lacustrine and inner bay sediments in Kyushu were recognized as Nakayama (late Miocene), Hirakuni and Kuroki (early Pliocene), Shigehira and Otagawa (early Pliocene), Nagano, Daiwa, Hitoyoshi, Tsunematsu and Amari (late Pliocene), Yamanokuchi, Aira, Hosenji (early Pleistocene), Yoshida, Tsuetate and Oyama (early to middle Pleistocene), Tsumori, Yoshino, Nogami and Asono (middle Pleistocene), Ebino, Uchitachi, Shinkai and Aso-3/-4 sediments (middle to late Pleistocene), Iino-Kakuto (late Pleistocene), Shimabarakaiwan and Uchinomaki (late Pleistocene to Holocene) and Ariake clay (Holocene). The compositions of the fossil floras suggest that the climate changed several times from cool temperate to warm temperate conditions and the vegetations were coniferous, mixed broad-leaved and coniferous, deciduous broad-leaved, and evergreen and deciduous broad-leaved forests. It is assumed that the annual temperature based on the percentages of trees with entire-margined leaves (Wolfe, 1978) and warm elements (Hase, 1988) oscillated between about 5^゚ and 20 ^゚ during late Miocene to Holocene in Kyushu.
The Toriyamahama Formation deposited under the condition of transgression in late Pleistocene in the east coast of Kyushu. The four molluscan assemblages were recognized as Corbicula, Crassostrea-Cerithidea, Protothaca, and Haustator-Dosinia in the area.
The biostratigraphy of the Miyazaki Group in late Pliocene was clarified by the analysis of planktonic foraminiferan from the formations distributed in the northern part of Miyazaki Plain.

Report

(3 results)
  • 1990 Annual Research Report   Final Research Report Summary
  • 1989 Annual Research Report
  • Research Products

    (14 results)

All Other

All Publications (14 results)

  • [Publications] 長谷 義隆: "大分県玖珠盆地北部の上部新生界ーその1層序ー" 熊本大学教養部紀要 自然科学編. 25. 87-112 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] 長谷 義隆: "熊本および阿蘇地域における植生変遷ー熊本平野沖積層および阿蘇カルデラ内堆積層の花粉分析ー" 熊本地学会誌. 94. 5-15 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] 長谷 義隆: "大分県玖珠盆地北部の上部新生界ーその2古植生と古環境" 熊本大学教養部紀要 自然科学編. 26. 35-47 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] IWAUSHI,Akiko: "Late Cerozoic vegetation and paleoenuironmert of northern and central kyushu,Japan.Part5 Kumamoto area" The Journal of the Geological Socirty of Japan.

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Yoshitaka HASE and Akiko IWAUCHI: "Upper Cenozoic geology of northern part of Kusu basin in Oita Prefecture, Japan. Part 1 Stratigraphy." Memoirs of the Faculty of General Education Kumamoto University. no. 25. 87-112 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Yoshitaka HASE and Akiko IWAUCHI: "Vegetational changes in Kumamoto and Aso Areas -Pollen analyses of alluvial sediments from Kumamoto Plain and Aso caldera-." Kumamoto Chigakkai-shi. no. 94. 5-15 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Yoshitaka HASE, Akiko IWAUCHI and Eiichi KITABAYASHI: "Upper Cenozoic geology of northern part of Kusu basin in Oita Prefecture, Japan. Part 2 Paleovegetation and paleoenvironment." Memoirs of the Faculty of General Education Kumamoto University. no. 26. 35-47 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Akiko IWAUCHI and Yoshitaka HASE: "Late Cenozoic vegetation and paleoenvironment of northern and central Kyushu, Japan. Part 5 Kumamoto area." Journal of the Geological Society of Japan.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] 長谷 義隆: "熊本および阿蘇地域における植生変遷ー熊本平野沖積層および阿蘇カルデラ内堆積層の花粉分析ー" 熊本地学会誌. 94号. 5-15 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] 長谷 義隆: "大分県玖珠盆地北部の上部新生界ーその2 古植生と古環境" 熊本大学教養部紀要 自然科学論. 26. 35-47 (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] IWAUCHI,Akiko: "Late Cenozoic vegetation and paleoenvironment of northern and central Kyushu,Japan.Part 5 Kumamoto area" The Journal of the Geological Society of Japan.

    • Related Report
      1990 Annual Research Report
  • [Publications] 岩内 明子: "中部九州の最終氷期以降の植生変遷" 地質学雑誌.

    • Related Report
      1990 Annual Research Report
  • [Publications] 長谷義隆: "大分県玖珠盆地北部の上部新生界-その1層序-" 熊本大学教養部紀要 自然科学編. 25. 87-112 (1990)

    • Related Report
      1989 Annual Research Report
  • [Publications] Iwauchi,Akiko: "Late Cenozoic vegetation and paleoenvironment of northern and central Kyushu,Japan,Part 5 Kumamoto area" The Journal of the Geological Society of Japan.

    • Related Report
      1989 Annual Research Report

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Published: 1990-04-01   Modified: 2016-04-21  

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