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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.26.39248d736d-c951-4275-a523-8d9760111307
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 | 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× 酒井, 義人× 早川, 修平× 平尾, 茂一× 山澤, 弘実× Moriizumi, Jun× Sakai, Yoshito× Hayakawa, Shuhei× Hirao, Shigekazu× Yamazawa, Hiromi |
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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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著者版フラグ | ||||||
値 | publisher |