result 319 件
Author | Okada, Tomiro| |
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Published Date | 1993 |
Publication Title | 岡山医学会雑誌 |
Volume | volume105 |
Issue | issue5-6 |
Content Type | Journal Article |
Author | Takeuchi, Ryuzo| |
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Published Date | 1993 |
Publication Title | 岡山医学会雑誌 |
Volume | volume105 |
Issue | issue5-6 |
Content Type | Journal Article |
Author | Hioka, Tohru| |
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Published Date | 1993 |
Publication Title | 岡山医学会雑誌 |
Volume | volume105 |
Issue | issue5-6 |
Content Type | Journal Article |
Author | Kitagawa, Takahiro| |
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Published Date | 1994 |
Publication Title | 岡山医学会雑誌 |
Volume | volume106 |
Issue | issue3-4 |
Content Type | Journal Article |
Author | Shiomi, Katsuhiko| |
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Published Date | 1994 |
Publication Title | 岡山医学会雑誌 |
Volume | volume106 |
Issue | issue3-4 |
Content Type | Journal Article |
Author | Okamoto, Shoichi| |
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Published Date | 1994 |
Publication Title | 岡山医学会雑誌 |
Volume | volume106 |
Issue | issue3-4 |
Content Type | Journal Article |
Author | Okamoto, Shoichi| |
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Published Date | 1994 |
Publication Title | 岡山医学会雑誌 |
Volume | volume106 |
Issue | issue3-4 |
Content Type | Journal Article |
Author | Ishii, Yasunori| Inoue, Fumiyuki| Shin, Ryuhan| Ishizuka, Shinji| Funaki, Naoto| Muramatsu, Tomoyoshi| Kamikawa, Yasuaki| Tanaka, Noriaki| Orita, Kunzo| Oda, Koji| Seo, Kenji| |
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Published Date | 1994 |
Publication Title | 岡山医学会雑誌 |
Volume | volume106 |
Issue | issue3-4 |
Content Type | Journal Article |
Author | Sugiyama, Akira| |
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Published Date | 1993-02-27 |
Publication Title | 岡山医学会雑誌 |
Volume | volume105 |
Issue | issue1-2 |
Content Type | Journal Article |
JaLCDOI | 10.18926/ESR/13901 |
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Title Alternative | Tidal notch cut into the Namigata Limestone, 240m above sea level, Ibara City, Okayama Prefecture |
FullText URL | ESR_7_41.pdf |
Author | Fujiwara, Takao| Suzuki, Shigeyuki| Maeda, Yasuo| |
Abstract | The tidal notch and the sea caves which cut into the Namigata Limestone is stiuated in 240m above sea level, Ibara City. The notch assocciates the Namigata Terrace 200m to 240m high. These geomorphological features indicate an event of high sea level. However the age of the event has not been known. |
Keywords | notch sea cave Namigata Okayama Prefecture |
Publication Title | Okayama University Earth Science Report |
Published Date | 2000-09-20 |
Volume | volume7 |
Issue | issue1 |
Start Page | 41 |
End Page | 46 |
ISSN | 1340-7414 |
language | Japanese |
Copyright Holders | 岡山大学地球科学研究報告編集委員会 |
File Version | publisher |
NAID | 120002310395 |
JaLCDOI | 10.18926/ESR/13870 |
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Title Alternative | Paleoenvironmental Analyses of the Buried Peat Deposit during the mid-Holocene at the Desaki Coast in Tamano City, Okayama Prefecture, Weatern Japan |
FullText URL | earth_science_reports_011_1_39.pdf |
Author | Matsushita, Mariko| Sato, Hiroshi| Suzuki, Shigeyuki| Yukumoto, Koichi| Momohara, Arata| Ueda, Yayoi| Katoh, Shigehiro| Maeda, Yasuo| |
Abstract | The buried peat deposit was foud in the sand beach on the Desaki coast (Tamano City, Okayama Prefecture), the northeastern coast of Seto Inland Sea. In this study, we performed sulfur and diatom analyses of the deposit. The results were used along with 14C dates and the eruption age (7300 cal BP) of Kikai-Akahoya tephra (K-Ab) to derive sedimentary environments of the deposit. K-Ah was detected just below the peat deposit. At the culmination of the Jomon transgression, the peat deposit had been formed in brackish environments of salt marsh for about 300 years. In order to reconstruct local paleovegetation, we analyzed pollen, wood and plant fossils in the deposit. The results show vegetational transition from a deciduous broadleaved forest mainly of Ouercus subgen. Lepidobalanus to Pinus forest. In spite of the Holocene thermal optimum, the vegetation dominated by Ouercus subgen. Cyclobanopsis was not recognized at the Desaki site, as has been shown in many other regions of regions of western Japan. Ouercus sect. Prinus was replaced by Ouercus sect. Aegilops as the dominant section of Ouercus subgen. Lepidobalanus, suggesting early establishment of traditional rural vegetation of 'Satoyama' in Japan. However, no evidence for human agency has been obtained from the mid-Holocene archaeological sites around the Desaki site. Thus it is more likely that this vegetational transition resulted from the succession caused by natural forces such as ecological disturbance and climatic and/or endemic situations rather than by cultural deforestation. |
Keywords | Desaki coast diatom remains Jomon transgression Kikai-Akahoya tephra mid-Holocene Paleoenvironment peat deposit plant fossils |
Publication Title | Okayama University Earth Science Report |
Published Date | 2004-12-31 |
Volume | volume11 |
Issue | issue1 |
Start Page | 39 |
End Page | 47 |
ISSN | 1340-7414 |
language | Japanese |
Copyright Holders | 岡山大学地球科学研究報告編集委員会 |
File Version | publisher |
NAID | 120002310603 |
Author | Hirakawa, Keiichi| |
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Published Date | 1993-08 |
Publication Title | 岡山医学会雑誌 |
Volume | volume105 |
Issue | issue7-8 |
Content Type | Journal Article |
Author | Maeta, Tsuyoshi| |
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Published Date | 1993-08 |
Publication Title | 岡山医学会雑誌 |
Volume | volume105 |
Issue | issue7-8 |
Content Type | Journal Article |
Author | Maeta, Tsuyoshi| |
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Published Date | 1993-08 |
Publication Title | 岡山医学会雑誌 |
Volume | volume105 |
Issue | issue7-8 |
Content Type | Journal Article |
Author | Kohno, Masahiro| Mori, Akitane| |
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Published Date | 1994-10 |
Publication Title | 岡山医学会雑誌 |
Volume | volume106 |
Issue | issue9-10 |
Content Type | Journal Article |
Author | Nishizaki, Hiroshi| |
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Published Date | 1994-02 |
Publication Title | 岡山医学会雑誌 |
Volume | volume106 |
Issue | issue1-2 |
Content Type | Journal Article |
Author | Namba, Jiro| |
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Published Date | 1994-02 |
Publication Title | 岡山医学会雑誌 |
Volume | volume106 |
Issue | issue1-2 |
Content Type | Journal Article |
Author | Tanihara, Shinichi| |
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Published Date | 1996-08-31 |
Publication Title | 岡山医学会雑誌 |
Volume | volume108 |
Issue | issue7-8 |
Content Type | Journal Article |
Author | Kishima, Miyuki| Yao, Kazuhisa| Yasuhara, Kanako| Suemaru, Katsuya| Furuno, Katsushi| Oishi, Ryozo| Gomita, Yutaka| Ohtahara, Shunsuke| |
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Published Date | 1994-08 |
Publication Title | 岡山医学会雑誌 |
Volume | volume106 |
Issue | issue7-8 |
Content Type | Journal Article |
Author | Hiyama, Junichirou| |
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Published Date | 1995-10-31 |
Publication Title | 岡山医学会雑誌 |
Volume | volume107 |
Issue | issue9-10 |
Content Type | Journal Article |