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Ikuko ENDO
Graduate School of Agriculture, Hokkaido University
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Norikazu EGUCHI
Graduate School of Agriculture, Hokkaido University
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Tsutom HIURA
Tomakomai Experimental Forest, Field Science Center for Northern Biosphere
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Satoru OKUYAMA
Tomakomai Experimental Forest, Field Science Center for Northern Biosphere
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Tadashi ISHII
Tomakomai Experimental Forest, Field Science Center for Northern Biosphere
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Kaichiro SASA
Hokkaido University Forests
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Takayoshi KOIKE
Hokkaido University Forests