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タイトル: 東京大学北海道演習林の山火事後二次林に生育するウダイカンバの心材の実態と成長パターン
その他のタイトル: Heartwood condition and growth patterns of Betula maximowicziana established in a post-fire secondary forest in the University of Tokyo Hokkaido Forest
著者: 滝川, 寛之
松井, 理生
岡村, 行治
後藤, 晋
著者(別言語): Takigawa, Hiroyuki
Matsui, Masaki
Okamura, Koji
Goto, Susumu
キーワード: Betula maximowicziana
heartwood
Makaba
Mejirokaba
von Bertalanffy equation
secondary forest
発行日: 2014年2月25日
出版者: 東京大学大学院農学生命科学研究科附属演習林
掲載誌情報: 東京大学農学部演習林報告. 第百三十号, 2014年2月, pp. 31-43
抄録: This study compared the condition of heartwood and the growth patterns of Betula maximowicziana established in a post-fire secondary forest with those in a natural forest in central Hokkaido. We collected butt end disks from 85 individuals established after a forest fire in 1911 and eight individuals from a commercially operated natural forest. We found significant variation in the area of heartwood and total area of the disks among the secondary-forest individuals. The area of heartwood and total area of the disks from secondary-forest individuals were smaller than those of disks obtained from the natural forest. The reddish color of the heartwood in disks obtained from the secondary forest was weaker than that in disks from the natural forest. The secondary growth patterns estimated using the von Bertalanffy equation differed between the secondary and natural forests. However, several individuals from the secondary forest had growth patterns similar to those of individuals from natural forest. In summary, the heartwood conditions differed in disks from secondary and natural forests. We believe that the individuals from the secondary forest with similar growth patterns to individuals from the natural forest will have similar heartwood.
内容記述: 論文
URI: http://hdl.handle.net/2261/55701
ISSN: 03716007
出現カテゴリ:演習林報告
演習林報告

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