Tree stand characteristic and structure on the embankment slope after 11 years from certified native species seedlings' plantation by mainly <i>Pinus densiflora</i> and <i>Quercus serrata</i>

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  • Yui OYAKE
    Faculty of Human Environments, University of Human Environments
  • JunichiI IMANISHI
    Graduate School of Life and Environmental Science, Osaka Prefecture University
  • Kazuya ISHIHARA
    Kyushu Branch, West Nippon Expressway Co. Ltd.
  • Shozo SHIBATA
    Graduate School of Global Environmental Studies, Kyoto University

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  • アカマツ・コナラ主体の地域性苗木による植栽11 年後の盛土法面における成立林分の特徴と構造
  • アカマツ ・ コナラ シュタイ ノ チイキセイ ナエギ ニ ヨル ショクサイ11ネンゴ ノ モリツチ ノリメン ニ オケル セイリツリン ブン ノ トクチョウ ト コウゾウ

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Abstract

<p>This study aims to clarify the stand structure on the embankment slope which has been 11 years since the initial planting of certified native species seedlings. On the survey plots (total 300 m2), a total of 29 vascular plant species, where 14 species of tree plants, were confirmed. From plotting the tree height distribution, a double layer structure was confirmed, in which the upper layer was dominated by P.densiflora, and the lower by Q.serrata. It was suggested P.densiflora suppress the growth of other plants in the lower layer; on the other hand, improvement of light environment was predicted with decline of P.densiflora..</p>

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