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南極湖沼底の"コケ坊主" : <14>^C年代測定による成長解析と定着年代の推定
https://doi.org/10.18999/sumrua.11.176
https://doi.org/10.18999/sumrua.11.1767e2e462e-65aa-4114-a7c9-57d9a1742a05
名前 / ファイル | ライセンス | アクション |
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2010-05-28 | |||||
タイトル | ||||||
タイトル | 南極湖沼底の"コケ坊主" : <14>^C年代測定による成長解析と定着年代の推定 | |||||
その他のタイトル | ||||||
その他のタイトル | Benthic moss pillars (Koke Bouzu) in Antarctic lakes : analysis of colonization and growth by <14>^C dating | |||||
著者 |
伊村, 智
× 伊村, 智× Imura, Satoshi× 高橋, 浩× Takahashi, Hiroshi A.× 中村, 俊夫× Nakamura, Toshio |
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権利 | ||||||
権利情報 | 名古屋大学年代測定資料研究センター 天然放射性元素測定小委員会 | |||||
権利 | ||||||
権利情報 | 本文データは学協会の許諾に基づきCiNiiから複製したものである | |||||
抄録 | ||||||
内容記述 | Unique pillar-like colonies of aquatic mosses, rising from cyanobacterial and algal mats, have been discovered in some freshwater lakes in the vicinity of Syowa Station, continental Antarctica. These moss pillars (Koke Bouzu) are about 30 cm in diameter and up to 60 cm high and occur at the lake bottoms mainly between 3 and 5 m depth. The primary component is a species of Leptobryum, and Bryum sp. is often found as an associated species. In longitudinal section the pillars reveral whitish layers formed by mineral sediment and dead cyanobacteria. Two samples from the top and base of the moss pillar collected in 1995,were dated by AMS ^<14>C measurement. The Δ^<14>C value of the top part was identical with that of the atmospheric CO_2 at the time of moss pillar sampling (AD1995). This result shows that the top part was not influenced by the reservoir effect (old water effect). The ^<14>C date of base part was measured to be 260+/-90yr BP. It seems that the growth interval between top and base parts of moss pillar was expected to be ca. 300 years. Further detail studies are needed to clarify the colonization process and growth of mosses in Antartic lakes. | |||||
内容記述タイプ | Abstract | |||||
内容記述 | ||||||
内容記述 | タンデトロン加速器質量分析計業績報告 Summaries of Researches Using AMS 1999 (平成11)年度 | |||||
内容記述タイプ | Other | |||||
出版者 | ||||||
出版者 | 名古屋大学年代測定資料研究センター 天然放射性元素測定小委員会 | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.18999/sumrua.11.176 | |||||
ID登録タイプ | JaLC | |||||
関連情報 | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | URI | |||||
関連識別子 | http://ci.nii.ac.jp/naid/110000475646/ | |||||
書誌情報 |
名古屋大学加速器質量分析計業績報告書 巻 11, p. 176-183, 発行日 2000-03 |
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フォーマット | ||||||
application/pdf | ||||||
著者版フラグ | ||||||
値 | publisher |