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与那演習林内に於けるオキナハシイ (Castanopsis lutchuensis Nakai) 幹材々積表
http://hdl.handle.net/20.500.12000/21627
http://hdl.handle.net/20.500.12000/2162712ea7f8d-ce06-4875-9121-2ceb1be9c71c
名前 / ファイル | ライセンス | アクション |
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Item type | デフォルトアイテムタイプ(フル)(1) | |||||||||
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公開日 | 2011-08-16 | |||||||||
タイトル | ||||||||||
タイトル | 与那演習林内に於けるオキナハシイ (Castanopsis lutchuensis Nakai) 幹材々積表 | |||||||||
言語 | ja | |||||||||
タイトル | ||||||||||
タイトル | Volume table of the Okinawa-shii (Castanopsis lutchuensis Nakai) in Yona Forest of the University | |||||||||
言語 | en | |||||||||
作成者 |
砂川, 季昭
× 砂川, 季昭
× Sunakawa, Sueaki
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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 | 1) It seems to be better to use Mr. Yamamoto's volume formula for Okinawan broad leaved trees stand, because a) the variance in his volume table is smaller than in Mr. Terazaki and Mr. Kopetzky's volume table; b) in the comparison of the total volume calculated by using the stem analysis mathod and the total volumes caluculated by using the volume tables 6 and 7 the error was the least when the total volume was calculated by using Mr. Yamamoto's volume table. c) the error was little but the variance was pretty great when the total volume was calculated by using Mr. Kopetzky's volume formula, therefore, it is recommended that his formula should be used only for reference. 2) The rate of growth in volume in an experimental plantation is generally favorable, but not the growth in length trees have. the tendency to taper off. a) in table 6, the volume in the upper column is greater than that in the lower column which means the growth in volume is favorable. b) in each column of the diameter in table 6, the difference between the volumes in the upper and the lower column is getting smaller in proportion to their volume, as the trees grow in length; which seems to mean that the tree tapers off. In the above study 2), I have not discussed about the growth of trees in their width and length in Okinawas, but have compared the volume table I have made up that of the Kumamoto Forestry Bureau. | |||||||||
内容記述 | ||||||||||
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 | 琉球大学農家政学部 | |||||||||
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 | NA | |||||||||
出版タイプResource | http://purl.org/coar/version/c_be7fb7dd8ff6fe43 | |||||||||
識別子 | ||||||||||
識別子 | http://hdl.handle.net/20.500.12000/21627 | |||||||||
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 | 0370-4238 | |||||||||
収録物識別子 | ||||||||||
収録物識別子タイプ | NCID | |||||||||
収録物識別子 | AN0025056X | |||||||||
収録物名 | ||||||||||
言語 | ja | |||||||||
収録物名 | 琉球大学農家政学部学術報告 | |||||||||
収録物名 | ||||||||||
言語 | en | |||||||||
収録物名 | Science bulletin of Agriculture & Home Economics Division, University of the Ryukyus | |||||||||
書誌情報 |
号 2, p. 126-137 |