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*Hajime Sato
Hokkaido Forestry Research Institute, Donan Branch Station
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Tomoyuki Abe
Hokkaido Forestry Research Institute, Donan Branch Station
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Kazuhiro Minamino
Hokkaido Forestry Research Institute, Donan Branch Station
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Yu Nagasaka
Hokkaido Forestry Research Institute
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Hiroyuki Torita
Hokkaido Forestry Research Institute
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Kazuhiko Masaka
Hokkaido Forestry Research Institute
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Masato Kanno
Hokkaido Forestry Research Institute
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Minoru Fukuchi
Hokkaido Forestry Research Institute