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Self-Thinning Boundary Line and Dynamic Thinning Line in Prince Rupprecht's Larch (Larix principis-rupprechtii Mayr) Stands
https://doi.org/10.18999/nagufs.16.17
9d099d44-0276-4e16-9d25-8904209c9ec1
名前 / ファイル | ライセンス | アクション | |
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2007-07-04 | |||||
タイトル | ||||||
タイトル | Self-Thinning Boundary Line and Dynamic Thinning Line in Prince Rupprecht's Larch (Larix principis-rupprechtii Mayr) Stands | |||||
その他のタイトル | ||||||
その他のタイトル | 落葉松林の自己間引き | |||||
著者 |
XUE, Li
× XUE, Li× 薛, 立× OGAWA, Kazuharu× 小川, 一治× HAGIHARA, Akio× 萩原, 秋男× HUANG, Baolin× 黄, 宝霊× LONG, Xinmao× 竜, 新毛× CHEN, Biao× 陳, 彪 |
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キーワード | ||||||
主題Scheme | Other | |||||
主題 | dynamic thinning line | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Hagihara's model | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | mean stem volume - density trajectory | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Prince Rupprecht's larch | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | self-thinning boundary line | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | -3/2 power law | |||||
抄録 | ||||||
内容記述 | The self-thining boundary line and the dynamic thinning line were determined to investigate the characteristics of self-thinning in Prince Rupprecht’s larch (Larix principis-rupprechtii Mayr) stands. The self-thinning boundary line for 56 sample stands showed a slope of – 1.75, which was significantly steeper than the conventional value of – 3/2. The mean stem volume (ν) – density (ρ) trajectories examined in three sample stands gradually approached their own dynamic thinning lines, which have respective slopes of -1.74, -1,75 and -1.70 with increasing stand age. The ν- ρ trajectories were well fitted with Hagihara’s model, so that this model was considered to be suitable for describing the ν-ρ trajectory during the course of self-thinning. The dynamic thinning lines lay below the self-thinning boundary line and they were almost parallel to each other. 落葉松林の自己間引きのバウンダリーラインとダイナミックラインを、それぞれ56林分と3林分で調べた。56林分で調べた落葉松林の自己間引きのバウンダリーラインの傾きは-1.75であった。この値は一般的に報告されている-3/2より有意に小さかった。林分の成育につれて、平均材積と密度の軌跡は、徐々にそれぞれ-1.74、-1.75、-1.70の傾きを持つ自己間引きのダイナミックラインに近づいた。これらの軌跡は萩原のモデルで良く近似され、このモデルは自己間引きのダイナミックラインは自己間引きのバウンダリーラインより下に位置し、お互いに平行関係にあった。 |
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内容記述タイプ | Abstract | |||||
内容記述 | ||||||
内容記述 | 農林水産研究情報センターで作成したPDFファイルを使用している。 | |||||
内容記述タイプ | Other | |||||
出版者 | ||||||
出版者 | 名古屋大学農学部附属演習林 | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.18999/nagufs.16.17 | |||||
ID登録タイプ | JaLC | |||||
関連情報 | ||||||
関連タイプ | isVersionOf | |||||
関連識別子 | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://rms1.agsearch.agropedia.affrc.go.jp/contents/JASI/pdf/academy/57-2256.pdf | |||||
ISSN(print) | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1344-2457 | |||||
書誌情報 |
名古屋大学森林科学研究 巻 16, p. 17-21, 発行日 1997-12 |
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フォーマット | ||||||
application/pdf | ||||||
著者版フラグ | ||||||
値 | publisher | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/8490 | |||||
識別子タイプ | HDL |