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Distributional optimum of sclerotia, resting bodies of Cenococcum geophilum in forest soils
http://hdl.handle.net/10748/4245
http://hdl.handle.net/10748/424533fbcb98-b9b9-4f63-a2d8-24438c6ddfc2
名前 / ファイル | ライセンス | アクション |
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20005-46-006.pdf (1.1 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2011-09-28 | |||||
タイトル | ||||||
タイトル | Distributional optimum of sclerotia, resting bodies of Cenococcum geophilum in forest soils | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Cenococcum geophilum | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Forest soil | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Sclerotia | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Soil organic component | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Warmth Index | |||||
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 | |||||
著者 |
Sakagami, Nobuo
× Sakagami, Nobuo |
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著者(ヨミ) |
サカガミ, ノブオ
× サカガミ, ノブオ |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Cenococcum geophilum (Cg) is known for its vast habitat range in temperate and arctic-alpine climatic zone. The resting bodies of Cg, which reveal their persistence for a long term as a structural organic component in soils, are studied from their geographical aspect in this paper. The objective of this study is to understand the distributional optimum of sclerotia as soil organic component by examinations along altitudinal gradient and its seasonal variance in central and northern Japan. Distributional properties of sclerotia were examined in soil in terms of weight density (mg g^<−1> soil), count density (no. g^<−1> soil), and mean weight per grain (mg no.^<−1> sclerotium). Density of sclerotia showed an optimum distribution in cool-temperate and subalpine vegetation zones with a distinct peak at the boundary of these two zones, while soil T-C did not show such apparent peaks. Furthermore, sclerotia content showed larger seasonal variance compared to T-C, presumably due to primary activities of micro-organisms. Altitudinal distribution and seasonal variance of sclerotia of Cg in Japanese forest soils, highlighted sclerotia as more biotic soil organic component compared to soil humus, supposedly caused not only by germination but also by still unknown biological implication of sclerotia remaining in soil. Regarding all samples studied in this study, C/N ratio of soil behaved as one of the regulating factors of formation size of sclerotia. Although the contribution of sclerotial carbon to total soil carbon is small (<0.96%), it was suggested that sclerotia may have an important role as sink and/or source of soil carbon in cool-alpine to alpine climatic zone, aside from seasonal turnover. | |||||
書誌情報 |
Geographical reports of Tokyo Metropolitan University 号 46, p. 63-72, 発行日 2011 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 03868710 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00200173 | |||||
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 | |||||
出版者 | ||||||
出版者 | Department of Geography, Tokyo Metropolitan University |