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Simultaneous production and consumer efforts reduce the nitrogen load in a Japanese island’s food system
https://jircas.repo.nii.ac.jp/records/2001076
https://jircas.repo.nii.ac.jp/records/2001076907143bc-33aa-4341-9a7d-f96204b0da32
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
Hamada_2025_Environ._Res._Lett._20_114017 (1.4 MB)
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| Item type | 国際農研デフォルトアイテムタイプ（フル）(1) | |||||||||||||
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| 公開日 | 2025-01-06 | |||||||||||||
| タイトル | ||||||||||||||
| タイトル | Simultaneous production and consumer efforts reduce the nitrogen load in a Japanese island’s food system | |||||||||||||
| 言語 | en | |||||||||||||
| 作成者 |
Hamada, Kosuke
× Hamada, Kosuke
ORCID
0000-0003-4282-8677
× Eguchi, Sadao
ORCID
0000-0001-9605-801X
× Hirano, Nanae
× Asada, Kei
ORCID
0000-0001-7451-685X
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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 | |||||||||||||
| 権利情報 | ||||||||||||||
| 権利情報 | © 2025 The Author(s). Published by IOP Publishing Ltd | |||||||||||||
| 権利情報 | ||||||||||||||
| 権利情報Resource | https://creativecommons.org/licenses/by/4.0/deed | |||||||||||||
| 権利情報 | Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 International licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. |
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| 権利情報 | ||||||||||||||
| 権利情報 | https://creativecommons.org/licenses/by/4.0/ | |||||||||||||
| 主題 | ||||||||||||||
| 主題 | reactive nitrogen, island, nitrogen footprint | |||||||||||||
| 内容記述 | ||||||||||||||
| 内容記述タイプ | Abstract | |||||||||||||
| 内容記述 | Issues related to reactive nitrogen (Nr) continue to increase and have exceeded planetary boundaries. Both production- and consumer-level efforts can mitigate Nr loads and inputs. However, only independent evaluations of these efforts have been performed thus far, and the lack of comprehensive evaluations has hindered further reductions in Nr loads and inputs. Therefore, in this study, we applied the food nitrogen footprint to a subtropical island in Japan and evaluated both direct (on-island) and indirect (overseas-related, imported food/feed production) Nr loads and inputs within the food system. The following scenarios were developed: shifting diets toward grains and legumes in imported food, halving food loss and using the remainder as concentrate feed, and replacing chemical fertilizers with cattle manure produced on the island. Altering the composition of imported food, reducing food loss by half, and utilizing the remaining portion as feed effectively reduced the indirect Nr load, while using cattle manure reduced the direct Nr load. Implementing these measures in combination reduced the direct and indirect Nr loads by 15.4% and 30.9% and the direct and indirect Nr inputs by 19.8% and 18.8%, respectively. Therefore, it is essential to implement consumer and production efforts simultaneously rather than independently to optimize the global nitrogen cycle. | |||||||||||||
| 言語 | en | |||||||||||||
| 出版者 | ||||||||||||||
| 出版者 | IOP Publishing | |||||||||||||
| 日付 | ||||||||||||||
| 日付 | 2025-09-25 | |||||||||||||
| 日付タイプ | Accepted | |||||||||||||
| 言語 | ||||||||||||||
| 言語 | eng | |||||||||||||
| 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 | journal article | |||||||||||||
| 出版タイプ | ||||||||||||||
| 出版タイプ | VoR | |||||||||||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||||||
| 関連情報 | ||||||||||||||
| 関連タイプ | isIdenticalTo | |||||||||||||
| 識別子タイプ | DOI | |||||||||||||
| 関連識別子 | https://doi.org/10.1088/1748-9326/ae0b95 | |||||||||||||
| 収録物識別子 | ||||||||||||||
| 収録物識別子タイプ | EISSN | |||||||||||||
| 収録物識別子 | 1748-9326 | |||||||||||||
| 書誌情報 |
en : Environmental Research Letters 巻 20, p. 114017, 発行日 2025-10-10 |
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| 助成情報 | ||||||||||||||
| 識別子タイプ | Crossref Funder | |||||||||||||
| 助成機関識別子 | https://doi.org/10.13039/501100009472 | |||||||||||||
| 助成機関名 | Japan International Research Center for Agricultural Sciences (JIRCAS)(en) | |||||||||||||
| 研究課題番号URI | https://www.jircas.go.jp/en/program/proa/a5 | |||||||||||||
| 研究課題番号 | 05a1A5 | |||||||||||||
| 研究課題名 | Development and evaluation of environmental conservation technologies for tropical islands through an approach emphasizing Yama-Sato-Umi (Ridge-to-reef agroecosystem) connectivity(en) | |||||||||||||
