Reconstruction of the forest vegetation around the Kanto plain during the late Glacial and the Holocene
| Project/Area Number |
16500642
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Geography
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| Research Institution | Chiba University |
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Principal Investigator |
OKITSU Susumu Chiba University, Faculty of Horticulture, Professor, 園芸学部, 教授 (70169209)
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| Co-Investigator(Kenkyū-buntansha) |
MOMOHARA Arata Chiba University, Faculty of Horticulture, Associate Professor, 園芸学部, 助教授 (00250150)
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| Project Period (FY) |
2004 – 2006
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| Project Status |
Completed (Fiscal Year 2006)
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| Budget Amount *help |
¥3,000,000 (Direct Cost: ¥3,000,000)
Fiscal Year 2006: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 2005: ¥1,100,000 (Direct Cost: ¥1,100,000)
Fiscal Year 2004: ¥1,200,000 (Direct Cost: ¥1,200,000)
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| Keywords | Continental type of the deciduous broad-leaved forest / Carpinus-Quercus serrata forest / Evergreen broad-leaved forest / Deciduous broad-leaved secondary forest / Jomon period / Relict vegetation / Human activity / Continental part of the East Asia / 異存植生 |
|---|
| Research Abstract |
The aim of the present research is to reconstruct the forest vegetation during the late Glacial and the Holocene around the Kanto plain where the present climax forest vegetation is thought to be evergreen broad-leaved forest. The excavation of a early Jomon remain in Chiba Prefecture, a marginal of the Kanto plain, which is very rare in Japan, revealed that even at the late Jomon period the forest vegetation consisted of the elements of the deciduous broad-leaved trees such as Phellodendron, Ostyria and Actinidia.. This finding suggested that the human activity during the Jomon period kept the continental type of the deciduous broad-leaved forests among the evergreen broad-leaved forests which expanded at the Holocene. The vegetation distribution in the early Jomon period was reconstructed in a small valley head at the Chiba prefecture to clarify the development process of the forests around the Kanto plane during the Holocene. On the bottom of the valley distributed the Alnus forests, while on the slopes and the terrace occupied the Quercus serrata forests. The vegetation history of the Kanto plain during the late Glacial and the Holocene was assumed to be as follows : At the full Glacial, the continental type of the deciduous broad-leaved forests prevailed around the Kanto plane consisting of Carpinus, Quercus serrata, Castanea crenata, Acer etc. In the early Holocene, the period human activity started, evergreen broad-leaved forests expanded. However the human activity prevented a full expansion of the evergreen broad-leaved forests, keeping continental type of the deciduous broad-leaved forests among the evergreen broad-leaved forests. Thus the present secondary deciduous broad-leaved forests around the Kanto plain derived from the continental type of the deciduous broad-leaved forests at the full Glacial, suggesting this forest is a historically important issue which should be preserved carefully.
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Report
(4 results)
Research Products
(72 results)
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[Journal Article] Phylogeography of the genus Cardiandra based on genetic variation in cpDNA sequences2006
Author(s)
Setoguchi, H., Yukawa, T., Tokuoka, T., Momohara, A., Sogo, A., Takaso, t., Peng, C.I.
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Journal Title
Journal of Plant Research 119
Pages: 401-405
NAID
Description
「研究成果報告書概要(欧文)」より
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[Journal Article] Palaeoclimate status of marine isotope stage (MIS) 7 to explain fauna/flora of the Kiyokawa Formation, Shimosa Group, east-central Japan : Evidence from pollen and proxy records2006
Author(s)
Okuda, M., Momohara, A., Hirayama, R., Okazaki, H., Kanako, N.
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Journal Title
The Quaternary Research(Tokyo) 45
Pages: 217-234
NAID
Description
「研究成果報告書概要(欧文)」より
Related Report
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[Journal Article] Late Holocene natural and anthropogenic vegetation changes in the Dongbei Pingyuan (Manchurian Plain), northeastern China2004
Author(s)
Makohonienko, M., Katagawa, H., Naruse, t., Nasu, H., Momohara, A., Okuno, M., Fujiki, T., Liu, X., Yasuda, Y., Yin, H.
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Journal Title
Quarternary International 123
Pages: 71-88
Description
「研究成果報告書概要(欧文)」より
Related Report
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[Book] [図説]日本の植生2005
Author(s)
沖津 進 分担執筆
Total Pages
153
Publisher
朝倉書店
Description
「研究成果報告書概要(和文)」より
Related Report
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[Book] 植生管理学2005
Author(s)
沖津 進 分担執筆
Total Pages
240
Publisher
朝倉書店
Description
「研究成果報告書概要(和文)」より
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[Book] アフリカ自然学2005
Author(s)
沖津 進 分担執筆
Total Pages
257
Publisher
古今書院
Description
「研究成果報告書概要(和文)」より
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