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Is whole-plant photosynthetic rate proportional to leaf area? A test of scalings and a logistic equation by leaf demography census.
https://obihiro.repo.nii.ac.jp/records/663
https://obihiro.repo.nii.ac.jp/records/663858e1509-4178-4c41-9948-c4e143720457
名前 / ファイル | ライセンス | アクション |
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koyama173(5),640-649,2009.pdf (458.3 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||||||
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公開日 | 2016-11-29 | |||||||||
タイトル | ||||||||||
言語 | en | |||||||||
タイトル | Is whole-plant photosynthetic rate proportional to leaf area? A test of scalings and a logistic equation by leaf demography census. | |||||||||
言語 | ||||||||||
言語 | eng | |||||||||
キーワード | ||||||||||
言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | metabolic scaling theory | |||||||||
キーワード | ||||||||||
言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | whole‐plant photosynthesis | |||||||||
キーワード | ||||||||||
言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | allometry | |||||||||
キーワード | ||||||||||
言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | leaf demography | |||||||||
キーワード | ||||||||||
言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | logistic equation | |||||||||
キーワード | ||||||||||
言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | Helianthus tuberosus (Jerusalem artichoke) | |||||||||
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 | |||||||||
著者 |
小山, 耕平
× 小山, 耕平
WEKO
110
× Kikuzawa, Kihachiro |
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抄録 | ||||||||||
内容記述タイプ | Abstract | |||||||||
内容記述 | Allometric scalings and a logistic equation assume that whole-plant photosynthetic rate under resource-unlimited conditions is proportional to leaf area. We tested this proportionality for the herb Helianthus tuberosus. During growth, we repeatedly measured the percentage of leaves with high, medium, and low photosynthetic capacity to estimate the whole-plant sum of photosynthetic capacity. We found that the whole-plant sum of the light-saturated photosynthetic rate of leaves is proportional to the whole-plant leaf area, disregarding the dynamics of the leaf population. We also found that the daily photosynthesis of each leaf appeared as a linear function of the light-saturated photosynthetic rate of that leaf, as predicted by the optimization theory. Using those results, we expressed whole-plant photosynthetic rate as a product of the light-saturated whole-plant photosynthetic rate and an efficiency index that reflects resource limitation as in the logistic equation. This efficiency decreased with increasing leaf area, reflecting light limitation. Therefore, realized whole-plant photosynthetic rate is not proportional to leaf area. These "diminishing returns" are well explained by a simple saturating curve, such as the logistic equation. | |||||||||
言語 | en | |||||||||
書誌情報 |
en : The American Naturalist 巻 173, 号 5, p. 640-649, 発行日 2009 |
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出版者 | ||||||||||
言語 | en | |||||||||
出版者 | The American Society of Naturalists | |||||||||
ISSN | ||||||||||
収録物識別子タイプ | PISSN | |||||||||
収録物識別子 | 00030147 | |||||||||
書誌レコードID | ||||||||||
収録物識別子タイプ | NCID | |||||||||
収録物識別子 | AA00521767 | |||||||||
権利 | ||||||||||
言語 | en | |||||||||
権利情報 | The American Society of Naturalists | |||||||||
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 |