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  1. 紀要論文
  2. 琉球大学農学部学術報告
  3. 47号
  1. 部局別インデックス
  2. 農学部

中国湖南省におけるコウヨウザン人工林の成長特性に関する研究

http://hdl.handle.net/20.500.12000/3418
http://hdl.handle.net/20.500.12000/3418
77b09a20-c5b8-4bea-abfa-1106a8a6891b
名前 / ファイル ライセンス アクション
KJ00000161898.pdf KJ00000161898.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2008-02-08
タイトル
タイトル 中国湖南省におけるコウヨウザン人工林の成長特性に関する研究
言語 ja
作成者 安里, 練雄

× 安里, 練雄

ja 安里, 練雄

呂, 勇

× 呂, 勇

ja 呂, 勇

林, 弘也

× 林, 弘也

ja 林, 弘也

Asato, Isao

× Asato, Isao

en Asato, Isao

Lu, Yong

× Lu, Yong

en Lu, Yong

Hayashi, Hiroya

× Hayashi, Hiroya

en Hayashi, Hiroya

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 コウヨウザン
言語 ja
主題Scheme Other
主題 成長モデル
言語 ja
主題Scheme Other
主題 Richards関数
言語 ja
主題Scheme Other
主題 Weibull分布
内容記述
内容記述タイプ Other
内容記述 立地条件の違いは,コウヨウザン人工林の成長過程の差を大きくし,同一林分内での単木の成長速度にも影響する。表2,表3からも明らかなように,黄機橋林場においては地位指数14以上の林地を選んでコウヨウザンが植栽されており,立地条件が上∿中の林地でのコウヨウザンの早生育林技術の指標を提示することができた。コウヨウザン人工林内の平均木の直径と樹高の成長特性パラメタは,それらの連年成長量と平均成長量の最大値,及び最大値に達する時間が立地等級によって変ることを反映している。コウヨウザンの直径と樹高成長に関連を及ぼす主要因子は,潜在的な林地生産力,林木の林地利用度であり,このことを基に,黄機橋林場におけるコウヨウザンの樹高曲線モデルとして(3)式を誘導した。Weibull分布関数を用いることにより,コウヨウザン人工林の直径と樹高の分布構造特性を適切に表すことができる。同時に,林分平均直径,平均樹高,林分密度,地位指数の4因子でそのパラメタを推定することができ,コウヨウザン人工林の構造動態を予測することが可能となった。黄機橋林場のコウヨウザン人工林の経営収穫表作成の基礎モデルとして(12)式を誘導した。
内容記述タイプ Other
内容記述 The present study clarified the characteristics of growth of KOYOZAN (Cunninghamia Lanceolata) man-made forest in Funan China. The resurts of the study are summarized as follows : 1. About some sample trees in forest stand of different growth condition, were estimated by Ricerds growth function that when annual and mean increment reach to maximum value. 2. Tree height curve model established by the site index, forest stand density and tree diameter at brest height. 3. Distribution of tree diameter at brest height and tree height in forest stand was able to represent properly by Weibull function. 4. It was established a growth model for the total basal area of forest stand.
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/20.500.12000/3418
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 47, p. 59-66
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