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  1. 紀要論文
  2. 琉球大学農学部学術報告
  3. 37号
  1. 部局別インデックス
  2. 農学部

第 1 報 イスノキの樹下植栽 2 年後の活着率と成長について(天然生常緑広葉樹林の林相改善に関する研究)(附属演習林)

http://hdl.handle.net/20.500.12000/3866
http://hdl.handle.net/20.500.12000/3866
072d7c70-f8b9-443b-bc85-7e865f65898e
名前 / ファイル ライセンス アクション
KJ00000161646.pdf KJ00000161646.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 第 1 報 イスノキの樹下植栽 2 年後の活着率と成長について(天然生常緑広葉樹林の林相改善に関する研究)(附属演習林)
言語 ja
作成者 平田, 永二

× 平田, 永二

ja 平田, 永二

生沢, 均

× 生沢, 均

ja 生沢, 均

寺園, 隆一

× 寺園, 隆一

ja 寺園, 隆一

Hirata, Eiji

× Hirata, Eiji

en Hirata, Eiji

Ikuzawa, Hitoshi

× Ikuzawa, Hitoshi

en Ikuzawa, Hitoshi

Terazono, Ryuichi

× Terazono, Ryuichi

en Terazono, Ryuichi

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
内容記述
内容記述タイプ Other
内容記述 本研究は,天然林生常緑広葉樹林を優良材生産林へ誘導するために,イスノキの樹下植栽を行い,2年後の活着率と樹高成長について調査したものである。調査の結果を要約するとおよそ次の通りである。1) 活着率は平均87.3%と極めて高い。これは,天然林へのイスノキの樹下植栽が可能であることを示している。2) 林分構造や地況等の環境要因の活着率に与える影響は,それほど敏感なものではない。3) 枯損木の大半は猪の被害によるもので,その被害は全本数の約10%にも及び無視することはできない。4) 2年間の樹高成長量は9.5∿26.4cmの範囲で,平均16.8cmと余り良好とはいえない。5) 樹高成長は林分の平均樹高とは負の相関を示し,相対照度とは逆に正の相関を示すが,はっきりした傾向を求めるためには,今後さらに資料の追加収集が必要である。
内容記述タイプ Other
内容記述 A survey was carried out on the survival percentage and height growth of Distylium racemosum after 2 years of underplanting to transform an evergreen broad-leaved forest to a saw-timber production forest. The results obtained are summarized as follows; 1) Survival percentage were extremelly high, reching to an average of 87.3%. This indicated that the underplanting of Distylium racemosum was possible for an evergreen broad-leaved forest. 2) The effect of environmental factors such as stand structure and land discripion on the survival percentage was relatively small. 3) The death of standing trees was mostly attributed to the damage by wild boars, which could not be neglected for its value reached to 10% of the standing trees. 4) Height growths for a period of 2 years were in a range of 9.5∿26.4cm with an average of 16.8cm, indicating a non-good growth. 5) The height growth was correlated negatively to the stand mean-height and positively to the relative illuminance.
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 jpn
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/20.500.12000/3866
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 37, p. 231-236
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