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マングローブ林堆積物における有機物とメタンの動態
https://doi.org/10.14945/00000390
https://doi.org/10.14945/0000039066662320-ab54-47cd-adb0-5775b9766f43
名前 / ファイル | ライセンス | アクション |
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KJ00000102489.pdf (761.4 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||||
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公開日 | 2008-01-25 | |||||||
タイトル | ||||||||
タイトル | マングローブ林堆積物における有機物とメタンの動態 | |||||||
言語 | ||||||||
言語 | jpn | |||||||
キーワード | ||||||||
主題Scheme | Other | |||||||
主題 | mangrove | |||||||
キーワード | ||||||||
主題Scheme | Other | |||||||
主題 | methane flux | |||||||
キーワード | ||||||||
主題Scheme | Other | |||||||
主題 | organic carbon | |||||||
資源タイプ | ||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||
資源タイプ | departmental bulletin paper | |||||||
ID登録 | ||||||||
ID登録 | 10.14945/00000390 | |||||||
ID登録タイプ | JaLC | |||||||
タイトル(別言語) | ||||||||
その他のタイトル | Behavior of organic matter and CH_4 in mangrove sediment | |||||||
著者 |
八巻, 美樹
× 八巻, 美樹× 鈴木, 款
WEKO
334
× 宮坂, 均× 松井, 直弘 |
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書誌情報 |
静岡大学地球科学研究報告 巻 29, p. 37-43, 発行日 2002-07 |
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出版者 | ||||||||
出版者 | 静岡大学地球科学教室 | |||||||
NDC | ||||||||
主題Scheme | NDC | |||||||
主題 | 450 | |||||||
抄録 | ||||||||
内容記述タイプ | Abstract | |||||||
内容記述 | CH_4 is one of the most important greenhouse gas. In tropical and subtropical coastal region, mangroves are actively fixing CO_2 by photosynthesis and regarded as a significant CO_2 Sink. On the other hand, it is known that mangrove sediment releases CH_4 to atmosphere. Due to O_2 deficiency in the sediment, which is caused by redundant supply of organic matter and seawater flooding the sediment. Although CH_4 released from natural wetland occupies 20% for all of CH_4 production, pathway and condition of the CH_4 production are still unclear. In this work, we study behavior of organic matter in mangrove sediment, in particular accumulation of organic matter and CH_4 release, at the mouth of Fukido River, Ishigaki Island, Okinawa Prefecture. Although pH was the optimum condition for methanogenesis bacteria (pH 6.4-7.4), redox potential was very high (+185 - +240mV). Total organic carbon in sediment was 6.2±2.7% for sediment dry weight, which shows that this mangrove forest stores much abundant carbon in sediment. The CH_4 release rate in vitro experiment was 118μmol m^<-2>day^<-1>. This value is negligible compared with total organic carbon reduction rate (2.1mol m^<-2>day^<-l>). This suggests that CH_4 produced by decomposition of organic matter is minor or that CH_4 is immediately oxidized in sediment. | |||||||
ISSN | ||||||||
収録物識別子タイプ | ISSN | |||||||
収録物識別子 | 03886298 | |||||||
NII論文ID | ||||||||
関連タイプ | isIdenticalTo | |||||||
識別子タイプ | NAID | |||||||
関連識別子 | 110000413413 | |||||||
NII書誌ID | ||||||||
収録物識別子タイプ | NCID | |||||||
収録物識別子 | AN00103190 | |||||||
フォーマット | ||||||||
内容記述タイプ | Other | |||||||
内容記述 | application/pdf | |||||||
著者版フラグ | ||||||||
出版タイプ | VoR | |||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |