A QUANTITATIVE ANALYSIS OF PLANT FORM-THE PIPE MODEL THEORY : II. FURTHER EVIDENCE OF THE THEORY AND ITS APPLICATION IN FOREST ECOLOGY
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概要
- 論文の詳細を見る
To test the applicability of the pipe model theory to actual tree form, the frequency distribution of the thickness of woody organs in a tree was examined in 10 different species. The frequency f(D) of a certain diameter class D proved to have a definite pattern of distribution in the root, branch and trunk respectively, with only a little difference between the species. The obtained f(D)〜D curves showed that a root system could well be approximated by the assemblage of many pipes of unit thickness, a trunk by a few cones piled up one upon another, and a branch system by a geometric model intermediate between the two. The results were well consistent with the pipe model theory of tree form. As an application of the theory in forest ecology, a new method for estimating the amounts of leaves or branches of trees and stands was also proposed, based on the direct proportionality found between those amounts and the cross-sectional area of the trunk at the height just below the lowest living branch.
- 日本生態学会の論文
- 1964-08-01
著者
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YODA Kyoji
Department of Biology, Faculty of Science, Osaka City University
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Yoda Kyoji
Department Of Biology Faculty Of Science Osaka City University
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Hozumi Kazuo
Laboratory Of Plant Ecology Osaka City University
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Hozumi Kazuo
Department Of Biology Faculty Of Science Osaka City University
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SHINOZAKI Kichiro
Department of Biology, Facuity of Science, Osaka City University
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KIRA Tatuo
Department of Biology, Facuity of Science, Osaka City University
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Kira Tatuo
Laboratory Of Plant Ecology Osaka City University
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Kira Tatuo
Department Of Biology Faculty Of Science Osaka City University
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Shinozaki Kichiro
Sakai Science Education Institute Sakai Osaka Japan
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Shinozaki K.
Department Of Mechanical Science And Engineering Hiroshima University
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