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チリの湿地性植物群の変遷史から読み解く南半球特異的植物相の成立過程
https://doi.org/10.24517/00051892
https://doi.org/10.24517/00051892a0d5e321-bc89-4238-abee-93ca92310ed1
名前 / ファイル | ライセンス | アクション |
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SC-PR-YAMADA-T-kaken 2019-5p.pdf (264.5 kB)
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Item type | 報告書 / Research Paper(1) | |||||
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公開日 | 2020-06-18 | |||||
タイトル | ||||||
タイトル | チリの湿地性植物群の変遷史から読み解く南半球特異的植物相の成立過程 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Chilean fossil swampy flora could be a key to infer how the Southern American flora was established | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18ws | |||||
資源タイプ | research report | |||||
ID登録 | ||||||
ID登録 | 10.24517/00051892 | |||||
ID登録タイプ | JaLC | |||||
著者 |
山田, 敏弘
× 山田, 敏弘 |
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著者別表示 |
Yamada, Toshihiro
× Yamada, Toshihiro |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 大阪市立大学 / 金沢大学自然システム学系 | |||||
書誌情報 |
平成30(2018)年度 科学研究費補助金 基盤研究(B) 研究成果報告書 en : 2018 Fiscal Year Final Research Report 巻 2015-04-01 - 2018-03-31, p. 5p., 発行日 2019-06-20 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 南半球には,白亜紀に出現した植物(ゴンドワナ型植物)が多数残存する。私たちは最近,ゴンドワナ型植物の化石を含む約5000万年前の泥炭層をチリで発見した。この泥炭層は南米最古のミズゴケ湿地性泥炭の可能性が高い。また,その堆積年代は顕生代最大の超温暖化が始まった時期とほぼ一致する。つまり,ゴンドワナ型植物は超温暖期をミズゴケ湿地で生き延びたかもしれない。本研究では,この泥炭層の年代が5400万年前であること決定し,それがミズゴケ湿地由来であることを確かめた。また,ミズゴケ湿地へ逃避する以前または以後に南米に生育したゴンドワナ型植物に関する古植物学的研究を行なった。 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In the Southern Hemisphere, there are many plants which had appeared during the Cretaceous (called Gondowana-type plants, hereafter). Recently, we have found a peat bed of ca. 50 million years ago (Ma) in Chile, which contains autochthonously preserved Gondwana-type plants. This peat bed is likely the oldest peat bed formed through deposition of Sphagnum moss (Sphagnum peat) and its deposition would be happened during the Paleocene/Eocene Thermal Maximum (PETM). Therefore, these preliminary findings might imply that Gondwana-type plants refuged to Sphagnum bogs to avoid high temperature during PETM and this event would be a crucial step for their survival to the present. In this study, we confirmed that the peat is originated in Sphagnum bog during 54 Ma. In addition, we conducted paleobotanical studies on Gondwana plants before/after PETM to know how PETM affected vegetational history in the South America. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 研究課題/領域番号: 15H05233, 研究期間(年度):2015-04-01 - 2018-03-31 | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 出典:研究課題「チリの湿地性植物群の変遷史から読み解く南半球特異的植物相の成立過程」課題番号15H05233 (KAKEN:科学研究費助成事業データベース(国立情報学研究所)) (https://kaken.nii.ac.jp/report/KAKENHI-PROJECT-15H05233/15H05233seika/)を加工して作成 |
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著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://kaken.nii.ac.jp/search/?qm=70392537 | |||||
関連名称 | https://kaken.nii.ac.jp/search/?qm=70392537 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-15H05233/ | |||||
関連名称 | https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-15H05233/ | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://kaken.nii.ac.jp/report/KAKENHI-PROJECT-15H05233/15H05233seika/ | |||||
関連名称 | https://kaken.nii.ac.jp/report/KAKENHI-PROJECT-15H05233/15H05233seika/ |