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Spatial and temporal variations in the photosynthesis-nitrogen relationship in a Japanese cedar (Cryptomeria japonica D. Don) canopy
http://hdl.handle.net/10091/13190
http://hdl.handle.net/10091/13190f6c5c33f-1a66-40c5-aff2-692718d0c988
名前 / ファイル | ライセンス | アクション |
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Spatial_temporal_variations_photosynthesis-nitrogen.pdf (4.9 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2011-06-20 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Spatial and temporal variations in the photosynthesis-nitrogen relationship in a Japanese cedar (Cryptomeria japonica D. Don) canopy | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | canopy nitrogen distribution, light environment, needle development, photosynthetic capacity, winter depression | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Kobayashi, H
× Kobayashi, H× Inoue, S× Gyokusen, K |
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信州大学研究者総覧へのリンク | ||||||
氏名 | Kobayashi, H | |||||
URL | http://soar-rd.shinshu-u.ac.jp/profile/ja.ZNfCgUfp.html | |||||
出版者 | ||||||
出版者 | SPRINGER | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | PHOTOSYNTHETICA. 48(2): 249-249(2010) | |||||
書誌情報 |
PHOTOSYNTHETICA 巻 48, 号 2, p. 249-249, 発行日 2010-06 |
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内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | The original publication is available at www.springerlink.com | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Spatial and temporal variations in light-saturated photosynthetic capacity and needle nitrogen (N) content were investigated in one 8 m tall Japanese cedar (Cryptomeria japonica D. Don) canopy for a full year. The photosynthetic capacity and needle N content in various layers of the canopy were measured every month. Temporal variations in photosynthetic capacity and needle N content expressed on a projected-area basis (P-area, N-area) were similar. Furthermore, both P-area and N-area decreased with increasing depth from the top of the canopy on each sampling date. As a consequence, a significant correlation was observed between N-area and P-area. Temporal variations in photosynthetic capacity and needle N content expressed on a mass basis (P-mass, N-mass) were also similar. P-mass also decreased with increasing canopy depth. However, in contrast to N-area, there was only a slight decrease in N-mass with increasing canopy depth. Hence, the correlation between N-mass and P-mass was lower than the projected-area value. Because N-area was highly correlated with the needle mass per projected-area (NMA), the spatial variation in N-area (and therefore P-area) in the canopy is attributed to the variation in NMA, which decreases as the depth from the top of the canopy increases. Furthermore, the slope of the linear regression between N-area and NMA differed between sampling dates, indicating that the temporal variations in N-area (and therefore P-area) are strongly influenced by N-mass. For most of the sampling dates, a linear regression between N-area and P-area tends to converge into a single line segment. However, on several sampling dates, there was a pronounced decline in P-area below this line segment. This reduction in P-area, which does not accompany a reduction in Narea, seems to be attributable to stomatal limitations induced by the low soil temperature in winter and early spring. | |||||
資源タイプ(コンテンツの種類) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0300-3604 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00773340 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1007/s11099-010-0031-6 | |||||
関連名称 | 10.1007/s11099-010-0031-6 | |||||
出版タイプ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |