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Satoshi KITAOKA
JSPS:Hokkaido Research Center, Forestry and Forest Products Research Institute (FFPRI)
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Tadashi SAKATA
Hokkaido Research Center, FFPRI
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Hiroyuki TOBITA
Hokkaido Research Center, FFPRI
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Akira UEMURA
Hokkaido Research Center, FFPRI
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Mitsutoshi KITAO
Hokkaido Research Center, FFPRI
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Hajime UTSUGI
Hokkaido Research Center, FFPRI
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Yutaka MARUYAMA
FFPRI
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Kaichiro Sasa
FSC, Hokkaido University Forest
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Takayoshi KOIKE
Graduate School of Agriculture Hokkaido University