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Nitrogen flows due to human activities in the Cianjur-Cisokan watershed area in the middle Citarum drainage basin, West Java, Indonesia: A case study at hamlet scale
http://hdl.handle.net/2261/7398
http://hdl.handle.net/2261/7398102f10de-a96c-49b0-b686-b756845d306a
名前 / ファイル | ライセンス | アクション |
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AGEE1475_Harashina.pdf (501.8 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-01-10 | |||||
タイトル | ||||||
タイトル | Nitrogen flows due to human activities in the Cianjur-Cisokan watershed area in the middle Citarum drainage basin, West Java, Indonesia: A case study at hamlet scale | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | rural ecosystem | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | nitrogen flow | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | nitrogen balance | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | local resource | |||||
主題Scheme | Other | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Harashina, K.
× Harashina, K.× Takeuchi, K× Tsunekawa, A.× Arifin, H. S. |
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著者別名 | ||||||
識別子 | 3310 | |||||
識別子Scheme | WEKO | |||||
姓名 | 武内, 和彦 | |||||
著者所属 | ||||||
著者所属 | Graduate School of Agricultural and Life Sciences, The University of Tokyo | |||||
著者所属 | ||||||
著者所属 | Laboratory of Landscape Architecture, Faculty of Agriculture, Bogor Agricultural University | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | This paper demonstrates a methodology to estimate nitrogen flow due to human activities in three rural hamlets located at different elevations in the Cianjur-Cisokan watershed area, West Java, Indonesia. The rural ecosystem in each hamlet was divided into several components and material transfers between components due to human activities were estimated, mainly by interview, and converted to nitrogen. Then a component model of nitrogen flow in each hamlet was constructed. Nitrogen balances of the three hamlets were positive: 87-267 kg N ha-1 year-1. Two indices, NSENO (nitrogen surplus per unit edible nitrogen output) and NSEEO (nitrogen surplus per unit edible energy output), were newly proposed. These indices showed that nitrogen surplus of the hamlet with the lowest altitude where paddy fields are dominant was the least when producing crops with the same nutritional value as those grown in other hamlets. Application of unused local resources, mud and human excrement, can reduce nitrogen surplus by 49-96 kg N year-1 ha-1 and can provide subsidy of US$ 310-370 year. | |||||
書誌情報 |
Agriculture, ecosystems & environment 巻 100, 号 1, p. 75-90, 発行日 2003 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 01678809 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10635718 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1016/S0167-8809(03)00173-7 | |||||
権利 | ||||||
権利情報 | This is the author's version of a work accepted for publication by Elsevier. Changes resulting from the publishing process, including peer review, editing, corrections, structural formatting and other quality control mechanisms, may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Agriculture, Ecosystems and Environment 100, 2003, 10.1016/S0167-8809(03)00173-7. | |||||
著者版フラグ | ||||||
値 | author | |||||
日本十進分類法 | ||||||
主題 | 519.8 | |||||
主題Scheme | NDC | |||||
日本十進分類法 | ||||||
主題 | 653.17 | |||||
主題Scheme | NDC | |||||
日本十進分類法 | ||||||
主題 | 610 | |||||
主題Scheme | NDC | |||||
出版者 | ||||||
出版者 | Elsevier | |||||
異版である | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | URI | |||||
関連識別子 | http://dx.doi.org/10.1016/S0167-8809(03)00173-7 |