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Allometric Relationships and Carbon and Nitrogen Contents for Three Major Tree Species (Quercus crispula, Betula ermanii, and Abies sachalinensis) in Northern Hokkaido, Japan

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Title: Allometric Relationships and Carbon and Nitrogen Contents for Three Major Tree Species (Quercus crispula, Betula ermanii, and Abies sachalinensis) in Northern Hokkaido, Japan
Authors: Takagi, Kentaro Browse this author →KAKEN DB
Kotsuka, Chikara Browse this author
Fukuzawa, Karibu Browse this author →KAKEN DB
Kayama, Masazumi Browse this author
Makoto, Kobayashi Browse this author
Watanabe, Tsunehiro Browse this author
Nomura, Mutsumi Browse this author
Fukazawa, Tatsuya Browse this author
Takahashi, Hiroyuki Browse this author
Hojyo, Hajime Browse this author
Ashiya, Daitaro Browse this author
Naniwa, Akihiko Browse this author
Sugata, Sadao Browse this author
Kamiura, Tatsuya Browse this author
Sugishita, Yoshiyuki Browse this author
Sakai, Rei Browse this author
Ito, Kinya Browse this author
Kobayashi, Makoto Browse this author →KAKEN DB
Maebayashi, Mamoru Browse this author
Mizuno, Masato Browse this author
Murayama, Takeshi Browse this author
Kinoshita, Koji Browse this author
Fujiwara, Daisaku Browse this author
Hashida, Shukichi Browse this author
Shibata, Hideaki Browse this author →KAKEN DB
Yoshida, Toshiya Browse this author →KAKEN DB
Sasa, Kaichiro Browse this author →KAKEN DB
Saigusa, Nobuko Browse this author →KAKEN DB
Fujinuma, Yasumi Browse this author
Akibayashi, Yukio Browse this author
Keywords: allometric equation
Issue Date: Aug-2010
Publisher: Hokkaido University Forests, EFRC
Journal Title: Eurasian Journal of Forest Research
Volume: 13
Issue: 1
Start Page: 1
End Page: 7
Abstract: To evaluate the biomass of conifer-broadleaf mixed forests in northern Hokkaido, Japan, the relationships between tree dry masses (including belowground roots) and diameter at breast height (DBH) and tree height (H) for major three tree species (Quercus crispula Blume, Betula ermanii Cham., and Abies sachalinensis (F. Schmidt) Mast.) were calculated. In addition, carbon and nitrogen contents of each tree organ were measured for an accurate estimation of the carbon and nitrogen stocks in the trees. For all three species, one allometric equation explained the relationship between DBH (or DBH2 × H) and the dry masses of whole tree, aboveground total, trunk, branch, and coarse root. Leaf dry mass of Abies, a coniferous species, was higher than that of the two deciduous species at the same DBH. The allometric equations, except that for coniferous leaf, were comparable to previous studies in Hokkaido. The difference in the stand density is a likely reason for the large difference in the coniferous leaf dry mass between studies. Carbon and nitrogen contents for Abies were higher and lower, respectively, than the other two species for all organs (leaf, branch, trunk, and coarse root). Nearly all the measured carbon contents were less than but close to 0.5, and use of the constant value 0.5 caused 1-7% error in the carbon stock estimate of a tree.
Type: bulletin (article)
Appears in Collections:Eurasian journal of forest research > Vol.13-1

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