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  1. 紀要論文
  2. 琉球大学農学部学術報告
  3. 48号
  1. 部局別インデックス
  2. 農学部

沖縄の常緑広葉樹林地における皆伐 5 年後の実生更新

http://hdl.handle.net/20.500.12000/3655
http://hdl.handle.net/20.500.12000/3655
ada037e7-56a0-4512-bbbf-82c5fa79b6a8
名前 / ファイル ライセンス アクション
KJ00000161929.pdf KJ00000161929.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2008-02-14
タイトル
タイトル 沖縄の常緑広葉樹林地における皆伐 5 年後の実生更新
言語 ja
作成者 呉, 立潮

× 呉, 立潮

ja 呉, 立潮

新里, 孝和

× 新里, 孝和

ja 新里, 孝和

萩原, 秋男

× 萩原, 秋男

ja 萩原, 秋男

Wu, Lichao

× Wu, Lichao

en Wu, Lichao

Shinzato, Takakazu

× Shinzato, Takakazu

en Shinzato, Takakazu

Hagihara, Akio

× Hagihara, Akio

en Hagihara, Akio

アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
主題
言語 ja
主題Scheme Other
主題 常緑広葉樹林
言語 ja
主題Scheme Other
主題 天然更新
言語 ja
主題Scheme Other
主題 実生の成長
言語 ja
主題Scheme Other
主題 林分構造
内容記述
内容記述タイプ Other
内容記述 本論文は亜熱帯照葉樹林地帯において,天然林皆伐跡地の天然更新とくに萌芽更新システムに関する研究の一環をなすものである。皆伐5年後の林分に発生している,根株の萌芽枝以外の森林樹種の実生の成長と林分構造について毎木調査を実施した。実験地は沖縄島北部に位置する琉球大学農学部附属与那演習林のイタジイの優占する常緑広葉樹林である。林分を構成する実生には75樹種が出現し,平均胸高直径と平均樹高はそれぞれ0.90cm,1.79mであった。75樹種のうち,54種が伐採前樹種でそれらの平均胸高直径と平均樹高はそれぞれ0.90cm, 1.80mとなり,その他の21種は侵入樹種で,それらの平均胸高直径と平均樹高はそれぞれ0.89cm, 1.78mであった。実生林分について伐採前樹種と侵入樹種の平均胸高直径と平均樹高の成長には差異がみられなかった。樹高階級をみると伐採5年後の実生林分では優占種はまだイタジイはでなく,エゴノキ,ウラジロカンコノキ等が優占していることを示した。伐採前樹種の8種が毎木調査あるいは小調査区に出現せず,実生林分の構成種とならなかった。
内容記述タイプ Other
内容記述 The growth and stand structure of seedling trees were studied based on the survey of tree census five years after clear cutting. Results showed that 75 species appeared in the seedling stands with a mean D. B. H (diameter at breast height) and a mean H (height) 0.90cm, 1.79m, respectively. Of 75 species, 54 were original ones with a mean D. B. H and a mean H of 0.90cm, 1.80m, respectively. The other 21 species were invading ones with a mean D. B. H and a mean H of 0.89cm, 1.78m, respectively. No difference was found between growth of original species and invading species according to the mean D. B. H and mean H. The grade analysis indicated Castanopsis sieboldii was still not a dominant species five years after clear cutting in seedling stands. Styrax japonicus and Glochidion acuminatum dominated the seedling stand. Results also showed that 8 of the original species did not appear in the tree census or the investigation conducted in the vegetable region. They disappeared in this seedling stands.
内容記述タイプ Other
内容記述 紀要論文
出版者
言語 ja
出版者 琉球大学農学部
言語
言語 eng
資源タイプ
資源タイプ departmental bulletin paper
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
識別子
識別子 http://hdl.handle.net/20.500.12000/3655
識別子タイプ HDL
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 0370-4246
収録物識別子タイプ NCID
収録物識別子 AN00250548
収録物名
言語 ja
収録物名 琉球大学農学部学術報告
書誌情報
号 48, p. 165-174
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