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Difference in uprooting resistance among coniferous species planted in soils of volcanic origin

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Title: Difference in uprooting resistance among coniferous species planted in soils of volcanic origin
Authors: Koizumi, Akio Browse this author →KAKEN DB
Oonuma, Naoki Browse this author
Sasaki, Yoshihisa Browse this author
Takahashi, Kunihide Browse this author
Keywords: Coniferous plantation
Critical wind velocity
Typhoon 0418
Uprooting moment
Volcanic-origin soil
Issue Date: Jun-2007
Publisher: Springer Japan
Journal Title: Journal of Forest Research
Volume: 12
Issue: 3
Start Page: 237
End Page: 242
Publisher DOI: 10.1007/s10310-007-0001-4
Abstract: Uprooting resistance against wind force for coniferous plantations in soils of volcanic origin was studied. The difference in uprooting resistance among Abies sachalinensis, Picea jezoensis, and Larix kaempferi was discussed. The sample site was set in Chitose plantations in Hokkaido Japan, where typhoon 0418 caused fatal uprooting damage in 2004. An uproot resistance index—the ratio of the geometrical moment of area for uprooted root-plate to the moment susceptibility to wind force—was defined to quantify relative uprooting resistance against wind force. It was calculated from the dimensional measurements for the tree forms and root-plates of 100 uprooted sample trees after the typhoon attack. As a result, the uprooting resistance for Picea jezoensis, which was less damaged among the sample species, was estimated to be greater than those for the other two species.
Rights: The original publication is available at www.springerlink.com
Type: article (author version)
URI: http://hdl.handle.net/2115/22108
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 小泉 章夫

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