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*DongHun Ji
Graduate School of Agriculure, Hokkaido University
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MyongJong Yi
Kangwon University
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DongSu Choi
Graduate School of Agriculure, Hokkaido University
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Ikuko Endo
Graduate School of Agriculure, Hokkaido University
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Youko Watanabe
Boreal Forest Conservation Studies,Hokkaido University Forests, FSC
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Satosi Kitaoka
Boreal Forest Conservation Studies,Hokkaido University Forests, FSC
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Takayoshi Koike
Boreal Forest Conservation Studies,Hokkaido University Forests, FSC