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  1. F300 宇宙地球環境研究所
  2. F300b 紀要
  3. 名古屋大学加速器質量分析計業績報告書
  4. 26

団粒構造破壊による土壌有機物分解促進の炭素同位体比解析

https://doi.org/10.18999/sumrua.26.39
https://doi.org/10.18999/sumrua.26.39
248d736d-c951-4275-a523-8d9760111307
名前 / ファイル ライセンス アクション
moriizumi2014.pdf moriizumi2014.pdf (5.9 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2015-05-18
タイトル
タイトル 団粒構造破壊による土壌有機物分解促進の炭素同位体比解析
言語 ja
その他のタイトル
その他のタイトル Carbon Isotopic Analysis of Decomposition of Soil Organic Matter Stimulated by Destruction of Soil Aggregate Structure
言語 en
著者 森泉, 純

× 森泉, 純

WEKO 84142

ja 森泉, 純

Search repository
酒井, 義人

× 酒井, 義人

WEKO 84143

ja 酒井, 義人

Search repository
早川, 修平

× 早川, 修平

WEKO 84144

ja 早川, 修平

Search repository
平尾, 茂一

× 平尾, 茂一

WEKO 84145

ja 平尾, 茂一

Search repository
山澤, 弘実

× 山澤, 弘実

WEKO 84146

ja 山澤, 弘実

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Moriizumi, Jun

× Moriizumi, Jun

WEKO 84147

en Moriizumi, Jun

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Sakai, Yoshito

× Sakai, Yoshito

WEKO 84148

en Sakai, Yoshito

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Hayakawa, Shuhei

× Hayakawa, Shuhei

WEKO 84149

en Hayakawa, Shuhei

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Hirao, Shigekazu

× Hirao, Shigekazu

WEKO 84150

en Hirao, Shigekazu

Search repository
Yamazawa, Hiromi

× Yamazawa, Hiromi

WEKO 84151

en Yamazawa, Hiromi

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
キーワード
主題Scheme Other
主題 土壌有機物分解
キーワード
主題Scheme Other
主題 乾燥再湿潤
キーワード
主題Scheme Other
主題 DOC
キーワード
主題Scheme Other
主題 森林土壌
キーワード
主題Scheme Other
主題 気候変動
抄録
内容記述 Cyclic drying and re-moistening of soil, sampled in a Larix leptolepis forest in Aichi Pref., Japan, increased CO2 generation by decomposition of soil organic matter (SOM) during 40-day incubation at 20℃. Assuming these increases were additional, the increment of both surface and deep soil have δ13C of -23‰, which were 2-4‰ higher than C02 generated under continuously moistened condition. Physical destruction of soil aggregates arose change in δ13C of generated CO2 that was similar to the drying and re-moistening treatment of soil. DOC extracted from the dried and re-moistened soil had larger δ13C than not-treated controls, suggesting some contribution of DOC to increase of C02 generation, while it was not solely responsible to the increment C02.
言語 en
内容記述タイプ Abstract
抄録
内容記述 カラマツ(Larix leptolepis)林土壌の20℃での40時間の培養実験により、乾燥再湿潤過程によって土壌のCO2生成率が増加した。この増加分は付加的に分解された有機物に由来すると仮定すると、その安定炭素同位体比δ13C は表層土壌、深層土壌とも-23‰程度を示し、常時湿潤な条件下で分解される有機物よりも2-4‰大きかった。物理的な団粒構造の破壊と乾燥再湿潤過程は生成されるCO2のδ13Cに同様の効果を及ぼした。乾燥再湿潤過程を経ると土壌から抽出されるDOCはより大きなδ13Cを持ち、CO2生成率の増加への寄与が示唆されたが、CO2の増加分すべてを供給しなかった。
言語 ja
内容記述タイプ Abstract
内容記述
内容記述 名古屋大学年代測定総合研究センターシンポジウム報告
言語 ja
内容記述タイプ Other
出版者
言語 ja
出版者 名古屋大学年代測定資料研究センター
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
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
ID登録
ID登録 10.18999/sumrua.26.39
ID登録タイプ JaLC
書誌情報 ja : 名古屋大学加速器質量分析計業績報告書

巻 26, p. 39-44, 発行日 2015-03
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