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Bulletin of the Kyushu University Forests | 2011

Green moisture content and basic density of 95 woody species growing in Kyushu University Forests, Japan

Toshihiro Umebayashi; 利弘 梅林; Shinya Koga; 信也 古賀; Yasuhiro Utsumi; 泰弘 内海; Susumu Inoue; 晋 井上; Yasuki Shiiba; 康喜 椎葉; Hisami Nagasawa; 久視 長澤; Shigeru Osaki; 繁 大崎; Katsuyoshi Kubota; 勝義 久保田; Sachiko Inoue; 幸子 井上; Junji Matsumura; 順司 松村; Kazuyuki Oda; 一幸 小田; トシヒロ ウメバヤシ; シンヤ コガ; ヤスヒロ ウツミ; ススム イノウエ; ヤスキ シイバ; ヒサミ ナガサワ; シゲル オオサキ; カツヨシ クボタ

We investigated the green moisture content and basic density of 95 woody species growing in Kyushu University Forests. In softwood species, the green moisture content of heartwood ranged from 28% in Cryptomeria japonica to 67% in Abies firma, and in sapwood, from 75% in Tsuga sieboldii to 160% in Cryptomeria japonica. The green moisture content of softwood trees was greater in sapwood than heartwood. The green moisture content in the heartwood of hardwood species ranged from 34% in Euonymus alatus f. striatus to 83% in Kalopanax pictus, and in sapwood, from 45% in Fraxinus sieboldiana to 153% in Actinidia polygama. We found three radial variation pattern types in stems of hardwood species. The green moisture content was higher in heartwood than sapwood, in the first type, whereas in the second, it was higher in sapwood than heartwood. In a third type, differences between heartwood and sapwood were relatively small. The basic density of softwood species ranged from 378 kg/m3 in Cryptomeria japonica to 524 kg/m3 in Tsuga sieboldii. Most trees tended to decrease in basic density from corewood to outerwood. Basic density in hardwood species ranged from 266 kg/m3 in Paulownia tomentosa to 751 kg/m3 in Rhaphiolepis indica var. umbellata. We identified three types of radial variation pattern in stems of hardwood species. In the first type, basic density was higher in corewood than outerwood, whereas in second, it was higher in outerwood. In the third type, differences between corewood and outerwood were small. We also provided the information on the age and size of heartwood formation. Keyword:green moisture content; basic density; Kyushu University Forests; Japan


Archive | 1998

Spectroscope and measuring apparatus with the spectroscope

Toru Kobayashi; Yoshio Nagai; Masao Nakamuro; Shigeru Osaki; 正雄 中室; 繁 大崎; 徹 小林; 慶郎 長井


Archive | 2001

System for measuring three-dimensional shape

Masahiro Ariizumi; Tadashi Fukumoto; Norio Matsunaga; Shigeru Osaki; 繁 大崎; 昌弘 有泉; 紀雄 松長; 忠士 福本


Archive | 2013

Attachment for optical characteristic measuring apparatus, and optical characteristic measuring apparatus

Yoshihiko Ogawa; 嘉彦 小川; Shigeru Osaki; 繁 大崎; Satoshi Yokota; 横田 聡


Bulletin of the Kyushu University Forests | 2017

Eleven years forest dynamics of deciduous broadleaved forest in eastern Hokkaido, Japan.

琢磨 中村; Takuma Nakamura; 直明 田代; Naoaki Tashiro; 勝義 久保田; Katsuyoshi Kubota; 大祐 南木; Daisuke Nanki; 秀介 村田; shusuke Murata; 幸子 井上; Sachiko Inoue; 健人 緒方; Taketo Ogata; 慶一郎 長; Keiichiro Cho; 康平 山内; Kohei Yamauchi; 哲也 馬渕; Tetsuya Mabuchi; 勇二 壁村; Yuji Kabemura; 大輔 扇; Daisuke Ogi; 繁 大崎; Shigeru Osaki; 拓雄 菱; Takuo Hishi; 信也 古賀; Shinya Koga


Archive | 2009

Device for measuring oxygen saturation degree

Norihiro Tateda; 典浩 舘田; Akihiro Ukai; 晃宏 鵜飼; Shigeru Osaki; 繁 大崎


Bulletin of the Kyushu University Forests | 2014

Survival rate of planted trees in Kasuya Research Forest Arboretum

一信 井上; Kazunobu Inoue; 繁 大崎; Sigeru Osaki; 康平 山内; Kohei Yamauchi; 勇二 壁村; Yuji Kabemura; 正一 浦; Masakazu Ura; 大輔 扇; Daisuke Ohgi; 且人 大東; Katsuhito Ohigashi; 定 柳池; Sadamu Yanachi; 久視 長澤; Hissami Nagasawa; 透 中江; Toru Nakae; 信也 古賀; Shinya Koga; 弘美 川嶋; Hiromi Kawashima; 晋 井上; Susumu Inoue; 泰弘 内海; Yasuhiro Utsumi


Bulletin of the Kyushu University Forests | 2014

Relationship between tree phenology and cumulative temperature in the Kasuya Research Forest, Kyushu University

勉 榎木; 勇二 壁村; 繁 大崎; 清弘 鍜治; 久視 長澤; 康平 山内; 幸子 井上; 信也 古賀; 直明 田代; Tsutomu Enoki; Yuji Kabemura; Shigeru Osaki; Kiyohiro Kaji; Kohei Yamauchi; Hisami Nagasawa; Shinya Koga; Sigeru Inoue; Naoaki Tashiro


Bulletin of the Kyushu University Forests | 2014

Observation of canopy interception loss in an oak forest

慶規 篠原; Yoshinori Shinohara; 繁 大崎; Sigeru Osaki; 一信 井上; Kazunobu Inoue; 勇二 壁村; Yuji Kabemura; 康平 山内; Kohei Yamauchi; 信也 古賀; Shinya Koga; 恭一 大槻; Kyoichi Otsuki


Bulletin of the Kyushu University Forests | 2013

Flora of Kasuya Research Forest, Kyushu University

康平 山内; 晋 井上; 勇二 壁村; 繁 大崎; 一信 井上; 久視 長澤; 大輔 扇; 信也 古賀; 拓雄 菱; 勉 榎木; 雄太 今村; 洋暁 大津; 一太 高橋; 美保 小倉; 花 桑原; 悠子 安田; 泰弘 内海; Kohei Yamauchi; Susumu Inoue; Yuji Kabemura; Shigeru Osaki; Kazunobu Inoue; Hisashi Nagasawa; Daisuke Ohgi; Shinya Koga; Takuo Hishi; Tsutomu Enoki; Yuta Imamura; Hiroaki Otsu; Kazuta Takahashi

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