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Takaaki TSUDA
Foresty Research Institute, Hokkaido Research Organization
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Yasuyuki OHNO
Foresty Research Institute, Hokkaido Research Organization
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Sayaka SAKAI
Foresty Research Institute, Hokkaido Research Organization
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Michiyasu YASAKA
Foresty Research Institute, Hokkaido Research Organization
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Mika TAKIYA
Foresty Research Institute, Hokkaido Research Organization